Tag Archives: vacuum pump with water

China Hot selling 2BV Series Water Ring Vacuum Pump Circulating Water Power 7.5kw Vacuum Pump with Good quality

Product Description

Detailed Photos

Product Description

2BV water ring vacuum pump is suitable for the extraction of gas and water vapor, the suction pressure can reach 33mbar(97% vacuum). When transformer oil is used as the working fluid (called oil-ring vacuum pump), the suction pressure can reach 6.7mbar(99.3% vacuum), which can replace reciprocating vacuum pump. When the liquid ring vacuum pump works for a long time under suction pressure close to vacuum, the cavitation protection tube should be connected to protect the pump and eliminate the cavitation erosion sound. When used as a compressor, its pressure is up to 0.26MPa.

2BV2-EX and 2BV6 water ring vacuum pumps/compressors are mainly used for removing inflammable and explosive environments, and their performance parameters are the same as those of 2BV2 and 2BV5 series.

2BV series stainless steel vacuum pump can be used in high corrosion resistance and cleanliness requirements of the occasion. 2BV series stainless steel vacuum pump flow parts: pump body, pump cover, disc, impeller material can be selected 304, 316, 316L stainless steel. (Please specify when ordering)

Product Parameters

 

Product model Maximum air volume Limit Vacuum Degree Motor power Explosion-proof grade of motor Motor Protection Level Pump speed Working fluid flow rate noise Weight
m3/min m3/h mbar(MPa) kW r.p.m L/min dB(A) kg
2BV2 060 0.45 27 33mbar 0.81 No explosion proof IP54 2840 2 62 31
2BV2 061 0.87 52 (-0.098MPa) 1.45 2840 2 65 35
2BV2 070 1.33 80   2.35 2860 2.5 66 56
2BV2 071 1.83 110   3.85 2880 4.2 72 65
2BV2 060-Ex 0.45 27   1.1 IP55 2840 2 62 39
2BV2 061-Ex 0.86 52   1.5 2840 2 65 45
2BV2 070-Ex 1.33 80   3 2860 2.5 66 66
2BV2 071-Ex 1.83 110   4 2880 4.2 72 77
2BV5 110 2.75 165   4 No explosion proof IP54 1440 6.7 63 103
2BV5 111 3.83 230   5.5 1440 8.3 68 117
2BV5 121 4.67 280   7.5 1440 10 69 149
2BV5 131 6.67 400   11 1460 15 73 205
2BV5 161 8.33 500   15 970 20 74 331
2BV6 110-EX 2.75 165   4 dIIBT4 IP55 1440 6.7 63 153
2BV6 111-EX 3.83 230   5.5 1440 8.3 68 208
2BV6 121-EX 4.66 280   7.5 1440 10 69 240
2BV6 131-EX 6.66 400   11 1460 15 73 320
2BV6 161-EX 8.33 500   15 970 20 74 446

Company Profile

ZheJiang CZPT Pumps is a manufacturer with many years of experience in mining, power generation, dredging, hydraulic, irrigation, slurry transportation, construction, seawater, oil and gas transportation, solar energy system and other industries. 

We can provide you with high efficiency and energy saving of multistage pump, boiler feed pump, slurry pump, oil pump, self-priming pump, chemical pump, mining pumps, submersible pumps, sewage pumps, sea water pumps, solar pumps, fire pumps, split case pumps, irrigation pumps and other products.

Our Products sales well to Europe, America, Southeast Asia, Oceania, Middle East and Africa more than 90 countries.

Our products are widely used in mining, mineral processing, metallurgy, iron and steel, boiler water supply, oil field, chemical industry, paper making, water conservancy facilities, sewage treatment, drainage and water supply.

We have strong technical force, advanced production testing equipment, scientific management methods, stable and reliable quality products, perfect after-sales service.

We are committed to providing the highest level of customer service, competitive prices, fast delivery and comprehensive, sophisticated products. Your satisfaction is our ultimate goal!
 

Working House

Certificate

Our Services
1. Processing with supplied drawing
2. Processing with supplied samples
3. Produce all kinds of anti CZPT spare parts except for pump
4. Product warranty:lifetime, no matter how long to use,if there is air hole in the flow parts,please return it,will give you a new 1 to replace.

Application

Packaging & Shipping

FAQ

1. Q: Whats the MOQ ?
A: 1 set for regular product ,the special 1 we need to discuss.
 
2. Q : What’re your payments ? 
A: For small order valve < 4000USD, our customer chose 100% T/T.
For order valve >4000USD, we can accept 30 % T/T in advance , 70 % should be paid before shipment.
 
3 . Q : How long is the deliver time ?
A : For the order in stock ,we will deliver goods at once against payment.
For the orders out of stock , the products time is 7 days for bare pump, 25 days for electric pump set or diesel engine pump set , the deliver time is base on the shipping date and your order by sea.
 
4. Q: What about the package ?
A : Standard export plywood case .
 
5.Q : How is the pump delivered to us ?
A : For urgently order, we can ship by air, for large order ,it will be delivered by sea ,vehicle or multi-modal transport.

 
6. Q : How long is the warranty ?
A: According to the inter nation standards , pump in standard operation is 1 year ,3 months for spare parts.
 
Any further questions, lets talk together.

 

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After-sales Service: 24 Hours Online Service
Warranty: 12-24 Months
Max.Head: >150m
Max.Capacity: >400 L/min
Driving Type: Motor
Impeller Number: Single-Stage Pump
Customization:
Available

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Vacuum Pump

Select vacuum pump

When choosing a vacuum pump, there are several things to consider. Diaphragm, scroll and Roots pumps are available. These pumps work similarly to each other, but they have some notable differences. Learn more about each type to make the right decision for your needs.

Diaphragm vacuum pump

Diaphragm vacuum pumps are very reliable and efficient for moving liquids. They are also compact and easy to handle. They can be used in a variety of applications, from laboratory workstations to large vacuum ovens. Diaphragm vacuum pumps are available worldwide. Advantages of this pump include low noise and corrosion resistance.
Diaphragm vacuum pumps work by increasing the chamber volume and decreasing the pressure. The diaphragm draws fluid into the chamber, diverting it back when it returns to its starting position. This hermetic seal allows them to transfer fluids without the need for lubricants.
Diaphragm vacuum pumps are the most efficient cleaning option and are easy to maintain. They do not produce oil, waste water or particles, which are common problems with other types of pumps. In addition, diaphragm pumps are low maintenance and have no sliding parts in the air path.
The simple design of diaphragm vacuum pumps makes them popular in laboratories. Oil-free construction makes it an economical option and is available in a variety of styles. They also have a variety of optional features. Diaphragm pumps are also chemically resistant, making them ideal for chemical laboratories.
Diaphragm vacuum pumps have speeds ranging from a few microns per minute (m3/h) to several m3/h. Some models have variable speed motors that reduce pumping speed when not in use. This feature extends their service interval. Standard diaphragm pumps are also popular in pharmaceutical and medical procedures. In addition, they are used in vacuum mattresses and cushions.

Scroll vacuum pump

Dry scroll vacuum pumps have many advantages over other types of vacuum pumps. Its compact design makes it ideal for a variety of general-purpose vacuum applications. They also offer oil-free operation. Additionally, many of these pumps feature chemically resistant PTFE components for increased chemical resistance.
These pumps are used in a variety of environments including laboratories, OEM equipment, R&D and medical applications. The single-stage design of these pumps makes them versatile and cost-effective. They are also suitable for a range of high field and radiation environments. Scroll pumps are also available in electronics-free and three-phase versions.
Oil-free scroll vacuum pumps are an excellent choice for those who don’t want the noise and mess associated with reciprocating pumps. Oil-free scroll pumps contain two helical scrolls interwoven in a helical motion that creates strong suction and directs steam to the exhaust. Because they do not require oil, they require minimal maintenance and downtime.
Oil-free scroll vacuum pumps are suitable for low to medium vacuum systems. Their durability and flexibility also make them suitable for many other applications. While they are often associated with dry vacuum pumps, they can also be used in chemical and analytical applications. Oil-free scroll pumps are also considered environmentally friendly.
The HiScroll range consists of three dry-sealed scroll pumps with nominal pumping speeds ranging from 6 to 20 m3/h. They feature advanced cutting edge sealing technology and reduce power requirements. They are also compact and noiseless, making them an excellent choice in quiet work environments.
Vacuum Pump

Roots Pump

Roots vacuum pumps are an important part of vacuum systems in various industries. These pumps are used to generate high vacuum in a variety of applications including degassing, rolling and vacuum metallurgy. They are also used in vacuum distillation, concentration and drying in the pharmaceutical, food and chemical industries.
These pumps are made of non-magnetized rotors that sit in the vacuum of the drive shaft. In addition, the stator coils are fan-cooled, eliminating the need for shaft seals. These pumps are typically used in applications involving high purity and toxic gases.
The theoretical pumping speed of a Roots pump depends on the gas type and outlet pressure. Depending on the size and power of the pump, it can range from 200 cubic meters per hour (m3/h) to several thousand cubic meters per hour. Typical Roots pumps have pumping speeds between 10 and 75.
Roots pumps are designed to reach high pressures in a relatively short period of time. This enables them to significantly reduce vacation time. Their compact design also makes them quiet. They also require no oil or moving parts, making them ideal for a variety of applications. However, they also have some limitations, including relatively high service costs and poor pumping performance at atmospheric pressure.
The RUVAC Roots pump is a versatile and efficient vacuum pump. It is based on the dry compressor roots principle already used in many vacuum technologies. This principle has been used in many different applications, including vacuum furnaces and vacuum coating. The combination of the Roots pump and the backing vacuum pump will increase the pumping speed at low pressure and expand the working range of the backing vacuum pump.

Electric vacuum pump

Electric vacuum pumps have many applications. They help move waste and debris in various processes and also help power instruments. These pumps are used in the automotive, scientific and medical industries. However, there are some important factors to consider before buying. In this article, we will discuss some important factors to consider.
First, you should consider the base pressure of the pump. Some pumps can reach a base pressure of 1 mbar when new, while others can reach a base pressure of 1 x 10-5 mbar. The higher the base pressure, the more energy is required to reverse atmospheric pressure.
Another important consideration is noise. Electric vacuum pumps need to be quiet. Especially for hybrid and electric vehicles, low noise is very important. Therefore, electric vacuum pumps with low noise characteristics have been developed. The pump’s integrated motor was developed in-house to avoid expensive vibration decoupling elements. Therefore, it exhibits high structure-borne noise decoupling as well as low airborne noise emissions. This makes the electric vacuum pump suitable for mounting on body components without disturbing vibrations.
Depending on the type of application, electric vacuum pumps can be used for workholding, clamping or clamping applications. They can also be used for solid material transfer. The electric pump with 20 gallon tank has a maximum vacuum of 26″ Hg. It also houses a 1,200 square inch sealed vacuum suction cup. It also has a coolant trap.
The automotive electric vacuum pump market was estimated at USD 1.11 billion in 2018. Electric vacuum pumps are used in automobiles for many different applications. These pumps provide vacuum assistance to a variety of automotive systems, including brake boosters, headlight doors, heaters, and air conditioning systems. They are also quieter than traditional piston pumps.
Vacuum Pump

Cryogenic vacuum pump

Cryogenic vacuum pumps are used in many different processes, including vacuum distillation, electron microscopy, and vacuum ovens. These pumps feature a thin-walled shaft and housing to minimize heat loss from the motor. They are also capable of high speed operation. High-speed bearings increase the hydraulic efficiency of the pump while minimizing heating of the process fluid. Cryopumps also come in the form of laboratory dewars and evaporators.
A key feature of a cryopump is its ability to span a wide pressure range. Typically, such pumps have a maximum pressure of 12 Torr and a minimum pressure of 0.8 Torr. However, some cryopumps are capable of pumping at higher pressures than this. This feature extends pump life and limits gas loading.
Before using a cryopump, you need to make sure the system is cold and the valve is closed. The gas in the chamber will then start to condense on the cold array of the pump. This condensation is the result of the latent heat released by the gas.
Cryogenic vacuum pumps are usually equipped with a Polycold P Cryocooler, which prevents the backflow of water through the pump. Such coolers are especially useful in load lock systems. As for its functionality, SHI Cryogenics Group offers two different styles of cryopumps. These systems are ideal for demanding flat panel, R&D and coating applications. They are available in sizes up to 20 inches and can be configured for automatic regeneration or standard settings.
The cryogenic vacuum pump market is segmented by application and geography. The report identifies major global companies, their shares and trends. It also includes product introductions and sales by region.

China Hot selling 2BV Series Water Ring Vacuum Pump Circulating Water Power 7.5kw Vacuum Pump   with Good quality China Hot selling 2BV Series Water Ring Vacuum Pump Circulating Water Power 7.5kw Vacuum Pump   with Good quality
editor by CX 2024-04-09

China Professional Vacuum Pump with Water Circulating vacuum pump diy

Product Description

Product Description 

Brief Description of vacuum pump liquid ring

YH500 Diaphragm Vacuum Pump is a kind of variable volume type vacuum pump, and is a new type with excellent functions and high quality after improvement on the basis of learning merits and eliminating shortcoming of similar products at home and abroad. YH500 Diaphragm Vacuum Pump’s rotating speed≥1390r/min; input power≤550W; ultimate vacuum is 700Kpa; volume flow is 40L/min. This pump can be widely used in experiments of vacuum filtration, rotary evaporator, refrigeration, dryness, vacuum concentration and molecular distillation.

Working principle of YH500 diaphragm vacuum pump:
The motor shaft is sheathed with an eccentric wheel, 1 end of the connecting rod is sheathed on the eccentric wheel, and the other end is connected with the soft membrane. With the rotation of the motor to drive the connecting rod for reciprocating motion. The rod is driven diaphragm which fixed on the pump body to do recycle motion, to generate elastic deformation, so that pumping chamber volume changed periodically. In the pump body, there are an inlet and an exhaust valve, inhale when the volume becomes large, exhaust when the volume becomes small, thereby reach the purpose of pumping gas.

Product Features of YH500 Diaphragm Vacuum Pump:
1.There is filtering material in the gas exchange position, thereby ensuring the cleanness of air;
2.Working without medium, so no oil vapor pollution, is the ideal equipment to obtain clean vacuum;
3.New technology and new materials are used in the production process, it is easy to move and work smoothly, thus ensuring the ideal vacuum degree and the higher air flow rate;
4.Using non friction of the film body movement, no heat, no friction loss. Diaphragm uses imported rubber, corrosion resistance, long service life;
5.Pressure adjustable design, can meet a certain range of vacuum and gas flow rate;
6.The bearings use imported classic bearings, smooth running, low noise, high efficiency.

Product Display

Technical Parameter

Model YH500 YH700
Voltage/Hertz 220V/50Hz 220V/50Hz
Rotating speed ≥1390r/min ≥1390r/min
Input power ≤550W ≤800W
Working temperature 5~40ºC 5~40ºC
Extremely vacuum 700Kpa 700Kpa
Volume flow 40L/min 56L/min
Size 264.5×127×186mm 262×128×214.5mm
Insulation grade B B

Corollary Equipment 

1. YH500 diaphragm pump corollary use with freezer dryer to reach vacuum state, it’s an essential corollary equipment in medicine CZPT drying, biology, food industry and agricultural products deep processing.
2. YH500 diaphragm pump corollary use with vacuum drying oven for maintaining vacuum state inside the oven, they mainly applies in powder drying and baking in vacuum condition.
3. YH500 diaphragm pump corollary use with rotary evaporator for vacuum pumping, they are widely used in the concentration, crystallization, drying, separation and solvent recovery in industries as medicine, chemical engineering, biopharmacy, etc..
4. YH500 diaphragm pump corollary use with vacuum filter so as to filtrate vacuum for liquid material, they are ideal vacuum filtration instruments in chemical engineering, medicine, petroleum, papermaking and other areas.

Recommending Styles

Q: Is YH500 diaphragm vacuum pump need media when operate?

A: In the working state, it doesn’t need working medium, so there is no oil vapor pollution.

Q: What’s the maximum vacuum which YH500 vacuum pump liquid ring can achieved?

A: The maximum vacuum is 700Kpa.

Q: Comparing to similar products,what’s the advantage of  YH500?

Small size and light weight;
Easy to move, work smoothly;
Strong pumping force, resistance rot cavity, long using life;
No media operation, clean and sanitary, safe and reliable;
Smooth running, low noise, high efficiency.

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Certification: ISO9001:2008, CE
Voltage: 220V
Material: Aluminum Alloy
Power: Pneumatic
Valve Body Type: Diaphragm
Performance: Health
Samples:
US$ 460/Piece
1 Piece(Min.Order)

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Vacuum Pump

Basic knowledge of vacuum pump

A vacuum pump is a device that draws gas molecules from a sealed volume and maintains a partial vacuum. Its main job is to create a relative vacuum within a given volume or volumes. There are many types of vacuum pumps. This article will describe how they work, their types, and their applications.

How it works

A vacuum pump is a mechanical device that removes gas from a system by applying it to a higher pressure than the surrounding atmosphere. The working principle of the vacuum pump is based on the principle of gas transfer and entrapment. Vacuum pumps can be classified according to their vacuum level and the number of molecules that can be removed per cubic centimeter of space. In medium to high vacuum, viscous flow occurs when gas molecules collide with each other. Increasing the vacuum causes molecular or transitional flow.
A vacuum pump has several components that make it a versatile tool. One of the main components is the motor, which consists of a rotor and a stator. The rotor and stator contain coils that generate a magnetic field when excited. Both parts must be mounted on a base that supports the weight of the pump. There is also an oil drain that circulates oil throughout the system for lubrication and cooling purposes.
Another type of vacuum pump is the liquid ring vacuum pump. It works by positioning the impeller above or below the blades. Liquid ring pumps can also adjust the speed of the impeller. However, if you plan to use this type of pump, it is advisable to consult a specialist.
Vacuum pumps work by moving gas molecules to areas of higher or lower pressure. As the pressure decreases, the removal of the molecules becomes more difficult. Industrial vacuum systems require pumps capable of operating in the 1 to 10-6 Torr range.

Type

There are different types of vacuum pumps. They are used in many different applications, such as laboratories. The main purpose of these pumps is to remove air or gas molecules from the vacuum chamber. Different types of pumps use different techniques to achieve this. Some types of pumps use positive displacement, while others use liquid ring, molecular transfer, and entrapment techniques.
Some of these pumps are used in industrial processes, including making vacuum tubes, CRTs, electric lights, and semiconductor processing. They are also used in motor vehicles to power hydraulic components and aircraft. The gyroscope is usually controlled by these pumps. In some cases, they are also used in medical settings.
How a vacuum pump works depends on the type of gas being pumped. There are three main types: positive displacement, negative displacement, and momentum transfer. Depending on the type of lubrication, these principles can be further divided into different types of pumps. For example, dry vacuum pumps are less sensitive to gases and vapors.
Another type of vacuum pump is called a rotary vane pump. This type of pump has two main components, the rotor and the vacuum chamber. These pumps work by rotating moving parts against the pump casing. The mating surfaces of rotary pumps are designed with very small clearances to prevent fluid leakage to the low pressure side. They are suitable for vacuum applications requiring low pulsation and high continuous flow. However, they are not suitable for use with grinding media.
There are many types of vacuum pumps and it is important to choose the right one for your application. The type of pump depends on the needs and purpose of the system. The larger ones can work continuously, and the smaller ones are more suitable for intermittent use.
Vacuum Pump

Apply

Vacuum pumps are used in a variety of industrial and scientific processes. For example, they are used in the production of vacuum tubes, CRTs, and electric lamps. They are also used in semiconductor processing. Vacuum pumps are also used as mechanical supports for other equipment. For example, there may be multiple vacuum pumps on the engine of a motor vehicle that powers the hydraulic components of an aircraft. In addition, they are often used in fusion research.
The most common type of vacuum pump used in the laboratory is the rotary vane pump. It works by directing airflow through a series of rotating blades in a circular housing. As the blades pass through the casing, they remove gas from the cavity and create a vacuum. Rotary pumps are usually single or double-stage and can handle pressures between 10 and 6 bar. It also has a high pumping speed.
Vacuum pumps are also used to fabricate solar cells on wafers. This involves a range of processes including doping, diffusion, dry etching, plasma-enhanced chemical vapor deposition, and bulk powder generation. These applications depend on the type of vacuum pump used in the process, and the vacuum pump chosen should be designed for the environment.
While there are several types of vacuum pumps available, their basic working principles remain the same. Each has different functions and capacities, depending on the type of vacuum. Generally divided into positive displacement pump, rotary vane pump, liquid ring pump, and molecular delivery pump.

Maintenance

The party responsible for general maintenance and repairs is the Principal Investigator (PI). Agknxs must be followed and approved by the PI and other relevant laboratory personnel. The Agknx provides guidelines for routine maintenance of vacuum pump equipment. Agknxs are not intended to replace detailed routine inspections of vacuum pump equipment, which should be performed by certified/qualified service personnel. If the device fails, the user should contact PI or RP for assistance.
First, check the vacuum pump for any loose parts. Make sure the inlet and outlet pressure gauges are open. When the proper pressure is shown, open the gate valve. Also, check the vacuum pump head and flow. Flow and head should be within the range indicated on the label. Bearing temperature should be within 35°F and maximum temperature should not exceed 80°F. The vacuum pump bushing should be replaced when it is severely worn.
If the vacuum pump has experienced several abnormal operating conditions, a performance test should be performed. Results should be compared to reference values ​​to identify abnormalities. To avoid premature pump failure, a systematic approach to predictive maintenance is essential. This is a relatively new area in the semiconductor industry, but leading semiconductor companies and major vacuum pump suppliers have yet to develop a consistent approach.
A simplified pump-down test method is proposed to evaluate the performance of vacuum pumps. The method includes simulated aeration field tests and four pump performance indicators. Performance metrics are evaluated under gas-loaded, idle, and gas-load-dependent test conditions.
Vacuum Pump

Cost

The total cost of a vacuum pump consists of two main components: the initial investment and ongoing maintenance costs. The latter is the most expensive component, as it consumes about four to five times the initial investment. Therefore, choosing a more energy-efficient model is a good way to reduce the total system cost and payback period.
The initial cost of a vacuum pump is about $786. Oil-lubricated rotary vane pumps are the cheapest, while oil-free rotary vane pumps are slightly more expensive. Non-contact pumps also cost slightly more. The cost of a vacuum pump is not high, but it is a factor that needs careful consideration.
When choosing a vacuum pump, it is important to consider the type of gas being pumped. Some pumps are only suitable for pumping air, while others are designed to pump helium. Oil-free air has a different pumping rate profile than air. Therefore, you need to consider the characteristics of the medium to ensure that the pump meets your requirements. The cost of a vacuum pump can be much higher than the purchase price, as the daily running and maintenance costs can be much higher.
Lubricated vacuum pumps tend to be more durable and less expensive, but they may require more maintenance. Maintenance costs will depend on the type of gas that needs to be pumped. Lighter gases need to be pumped slowly, while heavier gases need to be pumped faster. The maintenance level of a vacuum pump also depends on how often it needs to be lubricated.
Diaphragm vacuum pumps require regular maintenance and oil changes. The oil in the diaphragm pump should be changed every 3000 hours of use. The pump is also resistant to chemicals and corrosion. Therefore, it can be used in acidic and viscous products.

China Professional Vacuum Pump with Water Circulating   vacuum pump diyChina Professional Vacuum Pump with Water Circulating   vacuum pump diy
editor by CX 2024-04-09

China factory Multistage Water Ring Vacuum Pump Series 2be on Sale with Hot selling

Product Description

Product Introduction:

2BE series water ring vacuum pumps and compressors are the basis of years of scientific research and production experience combined with international advanced technology developed energy-efficient products, usually used for suction without solid particles, insoluble in water, non-corrosive the nature of the gas, in order to form a vacuum in the airtight container and pressure. By changing the structural material, the working fluid can also be used for pumping corrosive gases or corrosive liquids. Widely used in papermaking, chemical, petrochemical, light industry, pharmaceutical, food, metallurgy, building materials, electrical appliances, coal washing, beneficiation, fertilizer and other industries.

Model Ultimate Pressure Pumping speed Rotary speed Inlet diam Outlet diam Motor power
hpa torr M3/min R/min mm mm kw
2SK-1 46 35 1.5 29
Fax:
 
Web:toncinfilter
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Oil or Not: Oil
Structure: Rotary Vacuum Pump
Exhauster Method: Water Ring Vacuum Pump
Vacuum Degree: High Vacuum
Work Function: Mainsuction Pump
Working Conditions: Wet
Customization:
Available

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vacuum pump

How Do You Maintain and Troubleshoot Vacuum Pumps?

Maintaining and troubleshooting vacuum pumps is essential to ensure their optimal performance and longevity. Here’s a detailed explanation:

Maintenance of Vacuum Pumps:

1. Regular Inspection: Perform regular visual inspections of the pump to check for any signs of damage, leaks, or abnormal wear. Inspect the motor, belts, couplings, and other components for proper alignment and condition.

2. Lubrication: Follow the manufacturer’s guidelines for lubrication. Some vacuum pumps require regular oil changes or lubrication of moving parts. Ensure that the correct type and amount of lubricant are used.

3. Oil Level Check: Monitor the oil level in oil-sealed pumps and maintain it within the recommended range. Add or replace oil as necessary, following the manufacturer’s instructions.

4. Filter Maintenance: Clean or replace filters regularly to prevent clogging and ensure proper airflow. Clogged filters can impair pump performance and increase energy consumption.

5. Cooling System: If the vacuum pump has a cooling system, inspect it regularly for cleanliness and proper functioning. Clean or replace cooling components as needed to prevent overheating.

6. Seals and Gaskets: Check the seals and gaskets for signs of wear or leakage. Replace any damaged or worn seals promptly to maintain airtightness.

7. Valve Maintenance: If the vacuum pump includes valves, inspect and clean them regularly to ensure proper operation and prevent blockages.

8. Vibration and Noise: Monitor the pump for excessive vibration or unusual noise, which may indicate misalignment, worn bearings, or other mechanical issues. Address these issues promptly to prevent further damage.

Troubleshooting Vacuum Pump Problems:

1. Insufficient Vacuum Level: If the pump is not achieving the desired vacuum level, check for leaks in the system, improper sealing, or worn-out seals. Inspect valves, connections, and seals for leaks and repair or replace as needed.

2. Poor Performance: If the pump is not providing adequate performance, check for clogged filters, insufficient lubrication, or worn-out components. Clean or replace filters, ensure proper lubrication, and replace worn parts as necessary.

3. Overheating: If the pump is overheating, check the cooling system for blockages or insufficient airflow. Clean or replace cooling components and ensure proper ventilation around the pump.

4. Excessive Noise or Vibration: Excessive noise or vibration may indicate misalignment, worn bearings, or other mechanical issues. Inspect and repair or replace damaged or worn parts. Ensure proper alignment and balance of rotating components.

5. Motor Issues: If the pump motor fails to start or operates erratically, check the power supply, electrical connections, and motor components. Test the motor using appropriate electrical testing equipment and consult an electrician or motor specialist if necessary.

6. Excessive Oil Consumption: If the pump is consuming oil at a high rate, check for leaks or other issues that may be causing oil loss. Inspect seals, gaskets, and connections for leaks and repair as needed.

7. Abnormal Odors: Unusual odors, such as a burning smell, may indicate overheating or other mechanical problems. Address the issue promptly and consult a technician if necessary.

8. Manufacturer Guidelines: Always refer to the manufacturer’s guidelines and recommendations for maintenance and troubleshooting specific to your vacuum pump model. Follow the prescribed maintenance schedule and seek professional assistance when needed.

By following proper maintenance procedures and promptly addressing any troubleshooting issues, you can ensure the reliable operation and longevity of your vacuum pump.

vacuum pump

Considerations for Selecting a Vacuum Pump for Cleanroom Applications

When it comes to selecting a vacuum pump for cleanroom applications, several considerations should be taken into account. Here’s a detailed explanation:

Cleanrooms are controlled environments used in industries such as semiconductor manufacturing, pharmaceuticals, biotechnology, and microelectronics. These environments require strict adherence to cleanliness and particle control standards to prevent contamination of sensitive processes or products. Selecting the right vacuum pump for cleanroom applications is crucial to maintain the required level of cleanliness and minimize the introduction of contaminants. Here are some key considerations:

1. Cleanliness: The cleanliness of the vacuum pump is of utmost importance in cleanroom applications. The pump should be designed and constructed to minimize the generation and release of particles, oil vapors, or other contaminants into the cleanroom environment. Oil-free or dry vacuum pumps are commonly preferred in cleanroom applications as they eliminate the risk of oil contamination. Additionally, pumps with smooth surfaces and minimal crevices are easier to clean and maintain, reducing the potential for particle buildup.

2. Outgassing: Outgassing refers to the release of gases or vapors from the surfaces of materials, including the vacuum pump itself. In cleanroom applications, it is crucial to select a vacuum pump with low outgassing characteristics to prevent the introduction of contaminants into the environment. Vacuum pumps specifically designed for cleanroom use often undergo special treatments or use materials with low outgassing properties to minimize this effect.

3. Particle Generation: Vacuum pumps can generate particles due to the friction and wear of moving parts, such as rotors or vanes. These particles can become a source of contamination in cleanrooms. When selecting a vacuum pump for cleanroom applications, it is essential to consider the pump’s particle generation level and choose pumps that have been designed and tested to minimize particle emissions. Pumps with features like self-lubricating materials or advanced sealing mechanisms can help reduce particle generation.

4. Filtration and Exhaust Systems: The filtration and exhaust systems associated with the vacuum pump are critical for maintaining cleanroom standards. The vacuum pump should be equipped with efficient filters that can capture and remove any particles or contaminants generated during operation. High-quality filters, such as HEPA (High-Efficiency Particulate Air) filters, can effectively trap even the smallest particles. The exhaust system should be properly designed to ensure that filtered air is released outside the cleanroom or passes through additional filtration before being reintroduced into the environment.

5. Noise and Vibrations: Noise and vibrations generated by vacuum pumps can have an impact on cleanroom operations. Excessive noise can affect the working environment and compromise communication, while vibrations can potentially disrupt sensitive processes or equipment. It is advisable to choose vacuum pumps specifically designed for quiet operation and that incorporate measures to minimize vibrations. Pumps with noise-dampening features and vibration isolation systems can help maintain a quiet and stable cleanroom environment.

6. Compliance with Standards: Cleanroom applications often have specific industry standards or regulations that must be followed. When selecting a vacuum pump, it is important to ensure that it complies with relevant cleanroom standards and requirements. Considerations may include ISO cleanliness standards, cleanroom classification levels, and industry-specific guidelines for particle count, outgassing levels, or allowable noise levels. Manufacturers that provide documentation and certifications related to cleanroom suitability can help demonstrate compliance.

7. Maintenance and Serviceability: Proper maintenance and regular servicing of vacuum pumps are essential for their reliable and efficient operation. When choosing a vacuum pump for cleanroom applications, consider factors such as ease of maintenance, availability of spare parts, and access to service and support from the manufacturer. Pumps with user-friendly maintenance features, clear service instructions, and a responsive customer support network can help minimize downtime and ensure continued cleanroom performance.

In summary, selecting a vacuum pump for cleanroom applications requires careful consideration of factors such as cleanliness, outgassing characteristics, particle generation, filtration and exhaust systems, noise and vibrations, compliance with standards, and maintenance requirements. By choosing vacuum pumps designed specifically for cleanroom use and considering these key factors, cleanroom operators can maintain the required level of cleanliness and minimize the risk of contamination in their critical processes and products.

vacuum pump

Are There Different Types of Vacuum Pumps Available?

Yes, there are various types of vacuum pumps available, each designed to suit specific applications and operating principles. Here’s a detailed explanation:

Vacuum pumps are classified based on their operating principles, mechanisms, and the type of vacuum they can generate. Some common types of vacuum pumps include:

1. Rotary Vane Vacuum Pumps:

– Description: Rotary vane pumps are positive displacement pumps that use rotating vanes to create a vacuum. The vanes slide in and out of slots in the pump rotor, trapping and compressing gas to create suction and generate a vacuum.

– Applications: Rotary vane vacuum pumps are widely used in applications requiring moderate vacuum levels, such as laboratory vacuum systems, packaging, refrigeration, and air conditioning.

2. Diaphragm Vacuum Pumps:

– Description: Diaphragm pumps use a flexible diaphragm that moves up and down to create a vacuum. The diaphragm separates the vacuum chamber from the driving mechanism, preventing contamination and oil-free operation.

– Applications: Diaphragm vacuum pumps are commonly used in laboratories, medical equipment, analysis instruments, and applications where oil-free or chemical-resistant vacuum is required.

3. Scroll Vacuum Pumps:

– Description: Scroll pumps have two spiral-shaped scrolls—one fixed and one orbiting—which create a series of moving crescent-shaped gas pockets. As the scrolls move, gas is continuously trapped and compressed, resulting in a vacuum.

– Applications: Scroll vacuum pumps are suitable for applications requiring a clean and dry vacuum, such as analytical instruments, vacuum drying, and vacuum coating.

4. Piston Vacuum Pumps:

– Description: Piston pumps use reciprocating pistons to create a vacuum by compressing gas and then releasing it through valves. They can achieve high vacuum levels but may require lubrication.

– Applications: Piston vacuum pumps are used in applications requiring high vacuum levels, such as vacuum furnaces, freeze drying, and semiconductor manufacturing.

5. Turbo Molecular Vacuum Pumps:

– Description: Turbo pumps use high-speed rotating blades or impellers to create a molecular flow, continuously pumping gas molecules out of the system. They typically require a backing pump to operate.

– Applications: Turbo molecular pumps are used in high vacuum applications, such as semiconductor fabrication, research laboratories, and mass spectrometry.

6. Diffusion Vacuum Pumps:

– Description: Diffusion pumps rely on the diffusion of gas molecules and their subsequent removal by a high-speed jet of vapor. They operate at high vacuum levels and require a backing pump.

– Applications: Diffusion pumps are commonly used in applications requiring high vacuum levels, such as vacuum metallurgy, space simulation chambers, and particle accelerators.

7. Cryogenic Vacuum Pumps:

– Description: Cryogenic pumps use extremely low temperatures to condense and capture gas molecules, creating a vacuum. They rely on cryogenic fluids, such as liquid nitrogen or helium, for operation.

– Applications: Cryogenic vacuum pumps are used in ultra-high vacuum applications, such as particle physics research, material science, and fusion reactors.

These are just a few examples of the different types of vacuum pumps available. Each type has its advantages, limitations, and suitability for specific applications. The choice of vacuum pump depends on factors like required vacuum level, gas compatibility, reliability, cost, and the specific needs of the application.

China factory Multistage Water Ring Vacuum Pump Series 2be on Sale   with Hot selling	China factory Multistage Water Ring Vacuum Pump Series 2be on Sale   with Hot selling
editor by CX 2024-04-02

China OEM Roots Water Ring Vacuum Unit Pump for Vacuum Dehydration and Crystallization in The Chemical Industry with Great quality

Product Description

 

Product Description

JZJ2b series Roots water ring vacuum unit is an air extraction unit composed of ZJ and zjp roots vacuum pumps as injection and extraction pumps and 2BV and 2be water ring vacuum pumps as front stage pumps according to a certain pumping speed ratio. It can not only be used to extract general gases, but also gases containing water and a small amount of dust. Compared with the general mechanical vacuum pump, it is not afraid of oil pollution, water vapor and dust; Compared with the general water ring vacuum pump, it has advantages of the high limit vacuum and high pumping speed under high vacuum conditions. It is widely used in chemical, pharmaceutical, petroleum, electric power, food, light industry and other industries. It is used to pump places containing a large amount of water vapor, condensable gas and a small amount of CHINAMFG particles.

Our Advantages

JZJ2B series Roots water ring vacuum pump unit adopts 2BV and 2be water ring vacuum pumps with high efficiency and energy saving as the front stage pump and roots vacuum pump as the main pumping pump. Therefore, jzj2b series Roots water ring vacuum pump unit has the advantages of high efficiency, compact structure and high vacuum degree.

The working fluid of the front stage pump of jzj2b series Roots water ring vacuum pump unit mostly uses water, and can also use organic solvents (methanol, ethanol, xylene, acetone and other organic solvents) or other liquids. The front stage pump is used as a closed circulation system, which greatly reduces the pollution to the environment and greatly improves the recovery of organic solvents. The limit vacuum degree is determined by the saturated vapor pressure of the working fluid.

Product Parameters

Unit Type Pump model Pumping speed  (L/S) Maximum suction pressure (Pa) pressure limit Total Power (kW)
Main Pump prepump water ring oil pump unit
JZJ2B30-2 ZJ30 2BV2061 30 8000     2.25
JZJ2B30-1 ZJ30 2BV5110 30 12000     4.75
JZJ2B70-2 ZJ70 2BV5110 70 6000     5.1
JZJ2B70-1 ZJ70 2BV5111 70 12000     6.6
JZJ2B150-2A ZJP150 2BV5111 150 6000     7.7
JZJ2B150-2B ZJP150 2BV5121 150 8000     9.7
JZJ2B150-1 ZJP150 2BV5131 150 10000     13.2
JZJ2B300-2A ZJP300 2BV5131 300 4000     15
JZJ2B300-2B ZJP300 2BV5161 300 5000 267 80 19
JZJ2B300-1 ZJP300 2BE1 202 300 10000     26
JZJ2B600-2A ZJP600 2BE1 202 600 4000     27.5
JZJ2B600-2B ZJP600 2BE1 203 600 5000     42.5
JZJ2B600-1 ZJP600 2BE1 252 600 12000     50.5
JZJ2B1200-2A ZJP1200 2BE1 252 1200 2500     56
JZJ2B1200-2B ZJP1200 2BE1 253 1200 4000     86
JZJ2B1200-1 ZJP1200 2BE1 303 1200 8000     121
JZJ2B2500-2 ZJP2500 2BE1 303 2500 3000     132
JZJ2B70-2.1 ZJ70 ZJ30/2BV5110 70 6000     5.85
JZJ2B150-2.1 ZJP150 ZJ70/2BV5111 150 6000 25 0.8 8.8
JZJ2B 150-4.1 ZJP150 ZJ30/2BV5110 150 3000     6.95

 

Unit Type pump model pumping speed (L/S) maximum suction pressure (Pa) pressure limit total power (kW)
main pump prepump water ring unit oil pump unit
JZJ2B300-2.1 ZJP300 ZJP150/2BV5131 300 5000     17.2
JZJ2B300-2.2 ZJP300 ZJP150/2BV5121 300 4000     13.7
JZJ2B300-4.1 ZJP300 ZJ70/2BV5111 300 2000     10.6
JZJ2B600-4.1 ZJP600 ZJP150/2BV5131 600 1500     18.7
JZJ2B600-2.2 ZJP600 ZJP300/2BV5161 600 2000 25 0.8 24.5
JZJ2B1200-4.2 ZJP1200 ZJP300/2BV5161 1200 1000 30
JZJ2B1200-4.1 ZJP1200 ZJP1200/2BE1 202 1200 1200     37
JZJ2B 1200-2.2 ZJP1200 ZJP600/2BE1 203 1200 2500     53.5
JZJ2B1200-2.1 ZJP1200 ZJP600/2BE1 252 1200 3000     61.5
JZJ2B2500-4.1 ZJP2500 ZJP600/2BE1 252 2500 1000     72.5
JZJ2B70-2.1.1 ZJ70 ZJ30/ZJ30/2BV5110 70 6000     6.6
JZJ2B150-2.2.1 ZJP150 ZJ70/ZJ30/2BV5110 150 3000     8.05
JZJ2B300-2.2.1 ZJP300 ZJ150/ZJ70/2BV5111 300 3000     12.8
JZJ2B300-4.2.1 ZJP300 ZJ70/ZJ30/2BV5110 300 1200 0.5 0.05 9.85
JZJ2B600-2.2.1 ZJP600 ZJP300/ZJP150/2BV5131 600 2500 22.7
JZJ2B600-4.2.1 ZJP600 ZJP150/ZJ70/2BV5111 600 1200     14.3
JZJ2B1200-4.2.1 ZJP1200 ZJP300/ZJP150/2BV5131 1200 1000     28.2
JZJ2B2500-4.2.1 ZJ2500 ZJP600/ZJP300/2BE1 202 2500 1000     53.5

Detailed Photos

Roots water ring pump setVacuum pumps are used in oiling machines

General Manager Speech

Deeply cultivate the vacuum technology, and research,develop and manufacture the vacuum equipment to provide the best solution in the vacuum field and make the vacuum application easier.

Company Profile

ZheJiang Kaien Vacuum Technology Co., Ltd. is a high-tech enterprise integrating R & D, production and operation of vacuum equipment. The company has strong technical force, excellent equipment and considerate after-sales service. The product manufacturing process is managed in strict accordance with IS09001 quality system. It mainly produces and sells screw vacuum pump, roots pump, claw vacuum pump, runoff vacuum pump, scroll pump, water ring vacuum pump, vacuum unit and other vacuum systems.

 New plant plHangZhou

The company’s products have been for a number of food, medicine, refrigeration, drying plants and a number of transformer related equipment manufacturers for vacuum equipment. The products are widely used in vacuum drying and dehydration, kerosene vapor phase drying, vacuum impregnation, vacuum metallurgy, vacuum coating, vacuum evaporation, vacuum concentration, oil and gas recovery, etc.

High precision machining equipment

The company cooperates with many scientific research institutions and universities, such as ZheJiang University, China University of petroleum, ZheJiang Institute of mechanical design, etc.with colleges and universities to research and develop core technologies, and owns dozens of independent intellectual property patents.Our technology is leading, the product quality is stable, the product has a good reputation in China’s domestic market, is sold all over the country, and is exported to Europe, America, Africa, the Middle East and Southeast Asia,We adhering to the basic tenet of quality, reputation and service, the company takes leading-edge technology of vacuum pump as its own responsibility, and wholeheartedly serves customers of vacuum equipment application in various industries with rigorous working attitude and professional working style.

 Product quality wins consumer cooperation

In shipment

ISO 9001

High tech enterprise certificate

  Welcome to send your needs, we will provide you with the best service,

provide the greatest help!!!

/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

After-sales Service: Lifetime Paid Service
Warranty: One Year
Oil or Not: Oil Free
Structure: Screw
Exhauster Method: Entrapment Vacuum Pump
Vacuum Degree: High Vacuum
Customization:
Available

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roots vacuum pump

How Do Roots Vacuum Pumps Affect the Efficiency of Vacuum Systems in Various Industries?

Roots vacuum pumps have a significant impact on the efficiency of vacuum systems across various industries. Here’s a detailed explanation:

1. Enhanced Vacuum Level:

– High Pumping Speed: Roots vacuum pumps are known for their high pumping speed, which refers to the rate at which they can evacuate gas from a system. By quickly removing gas molecules, these pumps help achieve and maintain a lower pressure, resulting in an enhanced vacuum level within the system. This increased vacuum level is crucial in industries such as semiconductor manufacturing, where precise control of pressure is necessary for optimal processing conditions.

– Improved Evacuation Time: With their rapid gas pumping capability, Roots vacuum pumps significantly reduce the evacuation time required to reach the desired vacuum level. This efficiency is particularly important in industries where time-sensitive processes are involved, such as vacuum drying, degassing, or impregnation, allowing for faster production cycles and increased productivity.

2. Increased Throughput:

– Continuous Operation: Roots vacuum pumps are designed for continuous operation, enabling uninterrupted gas removal from the vacuum system. Their robust construction and oil-free operation make them reliable and suitable for demanding industrial applications. The ability to maintain a consistent vacuum level without frequent stops or downtime contributes to increased system throughput and overall efficiency.

– Handling Large Volumes: Roots pumps are capable of handling large gas volumes due to their displacement principle. This makes them well-suited for industries that require the evacuation of substantial amounts of gas, such as in chemical processing, pharmaceutical manufacturing, or vacuum packaging. By efficiently evacuating large volumes of gas, Roots vacuum pumps facilitate higher production rates and improved process efficiency.

3. Improved Process Control:

– Stable Vacuum Level: Roots vacuum pumps help maintain a stable vacuum level within the system, which is essential for precise process control. By swiftly removing gas molecules, these pumps prevent pressure fluctuations and ensure a consistent environment for various manufacturing processes. This is particularly crucial in industries like thin film deposition, where maintaining a stable vacuum is crucial for achieving uniform coating thickness and quality.

– Reduced Contamination: Roots vacuum pumps operate without lubricating oil in the pumping chamber, minimizing the risk of oil contamination in the vacuum system. This is particularly advantageous in industries such as electronics, semiconductor fabrication, or research laboratories, where even trace amounts of contaminants can adversely affect product quality or experimental results. By providing clean and oil-free vacuum, Roots pumps contribute to improved process control, reduced yield loss, and enhanced product reliability.

4. Energy Efficiency:

– Lower Power Consumption: Roots vacuum pumps are designed to operate efficiently, consuming lower power compared to other types of vacuum pumps. This energy efficiency is beneficial in industries where vacuum systems are continuously operated, such as in chemical processing plants or industrial manufacturing facilities. By reducing power consumption, Roots pumps help lower operational costs and contribute to sustainable and environmentally friendly practices.

– Heat Dissipation: Roots pumps generate less heat during operation compared to certain other vacuum pump types. This is advantageous in industries where temperature control is critical, such as in semiconductor fabrication or vacuum furnaces. The reduced heat generation minimizes the need for additional cooling measures, improving overall energy efficiency and reducing operational costs.

In summary, Roots vacuum pumps significantly impact the efficiency of vacuum systems in various industries. They enhance the vacuum level, increase system throughput, improve process control, and contribute to energy savings. By providing high pumping speed, quick evacuation time, continuous operation, stable vacuum levels, reduced contamination risk, lower power consumption, and efficient heat dissipation, Roots vacuum pumps play a crucial role in optimizing the performance and productivity of vacuum systems across industries.

roots vacuum pump

What Is a Roots Vacuum Pump, and How Does It Work?

A Roots vacuum pump, also known as a Roots blower or a rotary lobe pump, is a type of positive displacement vacuum pump that is widely used for various industrial applications. Here’s a detailed explanation of what a Roots vacuum pump is and how it works:

A Roots vacuum pump consists of two synchronized rotors, known as lobes or impellers, that rotate in opposite directions within a housing. The lobes have a unique helical shape with multiple lobes, which allows them to trap and move gas efficiently. The rotors are synchronized with the help of timing gears to maintain precise clearances between the lobes and the housing.

The operation of a Roots vacuum pump can be described in the following steps:

1. Inlet Stage: The process begins with the lobes rotating in opposite directions. As the lobes rotate, the volume between them and the housing gradually increases, creating a larger space at the inlet side of the pump. This expansion of the volume causes the gas to enter the pump through the inlet port. The gas is drawn in due to the pressure difference between the inlet and the pump’s internal chamber.

2. Compression Stage: As the gas enters the pump, it gets trapped in the spaces between the lobes and the housing. As the lobes continue to rotate, the trapped gas gets carried along the rotating lobes. The gas is essentially trapped in the pockets formed by the lobes and the housing. The rotating lobes then compress the gas as they move towards the outlet side of the pump.

3. Outlet Stage: As the lobes approach the outlet side of the pump, the volume between them and the housing decreases, resulting in the compression of the trapped gas. This compression raises the pressure of the gas, causing it to be expelled through the outlet port of the pump. The expelled gas is then discharged into the atmosphere or directed to a downstream process or another vacuum pump, depending on the application.

It’s important to note that a Roots vacuum pump operates as a non-contacting pump, meaning that there is no physical contact between the lobes or between the lobes and the housing. This characteristic eliminates the need for lubrication within the pump and reduces the risk of contamination or oil vapor backstreaming into the vacuum system.

Roots vacuum pumps are known for their high pumping speed and ability to handle large volumes of gas. However, they are not capable of achieving high vacuum levels on their own. To achieve higher vacuum levels, a Roots pump is often used in conjunction with other vacuum pumps, such as rotary vane pumps or diffusion pumps, in a hybrid or combination pumping system.

In summary, a Roots vacuum pump operates based on the principle of positive displacement. It utilizes synchronized rotating lobes to trap and compress gas, allowing it to be discharged at a higher pressure. The non-contacting design of the pump eliminates the need for lubrication and reduces the risk of contamination. Roots vacuum pumps are commonly employed in various industrial applications, especially when high pumping speed and large gas handling capacity are required.

China OEM Roots Water Ring Vacuum Unit Pump for Vacuum Dehydration and Crystallization in The Chemical Industry   with Great quality China OEM Roots Water Ring Vacuum Unit Pump for Vacuum Dehydration and Crystallization in The Chemical Industry   with Great quality
editor by CX 2024-03-26

China Standard 3 Years Warranty High Pressure Hydraulic Vacuum Submersible Centrifugal 12V 24V 48V MPPT Controller DC AC Compatible Solar Water Pump with Best Sales

Product Description

3 Years Warranty high pressure hydraulic vacuum Submersible centrifugal 12V 24V 48V MPPT Controller DC AC Compatible solar water pump from HangZhou CHINAMFG new energy co., ltd

 

Model

Rated/Max.Flow
(m3/h)
Rated/Max.Head
(m)
Pump Voltage(V) Pump Power (W) Suggest Solar Panels Quantity
3ARD2.5-15-24-140 0.5/2.5 9/15 DC24 140 1*200W, connect directly to P+ P-
3ARD2.7-22-24-180 0.8/2.7 15/22 DC24 180 1*250W, connect directly to P+ P-
3ARD3-35-24-300 2/3 16/35 DC24 300 2*250W, 2 panels connect in series
3ARD3-35-48-300 2/3 16/35 DC48 300 2*250W, 2 panels connect in series
3ARD3.2-40-48-400 1/3.2 30/40 DC48 400 2*320W, 2 panels connect in series
3ARD3.2-54-48-550 1/3.2 40/54 DC48 550 4*200W, 2PCS in series, 2PCS in parallel
3ARD5-35-48-550 2/5 22/35 DC48 550 4*200W, 2PCS in series, 2PCS in parallel
3ARD3.2-65-48-600 1/3.2 48/65 DC48 600 4*250W, 2PCS in series, 2PCS in parallel
3ARD3.2-80-48-750 1/3.2 60/80 DC48 750 4*320W, 2PCS in series, 2PCS in parallel
3ARD5-50-48-750 3/5 33/50 DC48 750 4*320W, 2PCS in series, 2PCS in parallel
3ARD3.2-80-72-750 1/3.2 60/80 DC72 750 4*320W, 2PCS in series, 2PCS in parallel
3ARD5-50-72-750 3/5 33/50 DC72 750 4*320W, 2PCS in series, 2PCS in parallel
3ARD3.2-120-72-1100 1/3.2 80/120 DC72 1100 6*320W, 3PCS in series, 3PCS in parallel
3ARD5-72-72-1100 3/5 50/72 DC72 1100 6*320W, 3PCS in series, 3PCS in parallel
3ARD5.4-85-96-1300 3/5.4 63/85 DC96 1300 6*320W, 3PCS in series, 3PCS in parallel

ALL PUMP
ALLRUN  Solar Submersible Pumps
1) Low voltage dc solar pumps: 24V, 48V, 72V, 96V
Type: 3ARS series 3” solar SCREW pumps
 3ARD series and 4ARD series solar Centrifugal
pumps(impeller type)
Screw pump & Centrifugal Pump difference: for same
power pump, screw pump is higher head but less water
flow; centrifugal pump with more water flow but lower
pressure.
2) DC/AC high voltage solar pumps: 110V, 220V, 380V
Pump diameter: 3”, 4”, 6”, 8”, 10”
AR  DC Solar Surface Pumps
1) SQB series: high pressure solar booster pump, pipe
diameter is all 1”
2) SCPM series: big water flow solar booster pump, pipe
diameter have 1”, 1.5” and 2”
3) SJET series: stainless steel pump body solar booster
pump, pipe diameter: 1”
4) SZB series: self-priming solar booster pump, suction
head is 5 meters, pipe diameter: 1”
5) SJP series: DC solar swimming pool pumps, 200W,
500W, 900W and 1200W

Features

1 High efficiency:  Newly Developed DC Brushless Permanent-magnetic synchronous motor, 10-20% higher than common motors
2 Easy Movement: Volume and Weight is only 1/2 of other pumps with same specification.
3 Auto-protecting: If there is no water in well for 1 minute, will stop working automatically. After 30 minutes, will start automatically to test whether there is water or not.
4 Multi-Power Choices: Could connect with solar panels or batteries.

 

MPPT Controller 
 1.Sand-proof, high temp
 2.Work with both solar water pump power and batteries
 3.Do not need deep well float switch, if there is no water in well for 1 minute, solar water pump dc brushless will stop working 
 4.Controller will detect energy source to see it is solar panels or batteries, then start working
 

 

Permanent Magnetic 
Synchronous Motor

DC Brushless Permanent-magnetic synchronous motor
15%-20% more efficient than common motor
Can realize flow control function.
 

 

High efficiency solar panel
Different size from 50W to 500W , 
 mono solar panels 
comes with cable and mounting

Project for reference

Project in South Africa farm

 

Vegetable farm water pump system in Morroco

Plant farm water pump system in Kuwait

  /* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

Max.Head: 80-110m
Max.Capacity: 50-100 L/min
Material: Stainless Steel
Customization:
Available

|

.shipping-cost-tm .tm-status-off{background: none;padding:0;color: #1470cc}

Shipping Cost:

Estimated freight per unit.







about shipping cost and estimated delivery time.
Payment Method:







 

Initial Payment



Full Payment
Currency: US$
Return&refunds: You can apply for a refund up to 30 days after receipt of the products.

vacuum pump

Can Vacuum Pumps Be Used for Vacuum Packaging?

Yes, vacuum pumps can be used for vacuum packaging. Here’s a detailed explanation:

Vacuum packaging is a method used to remove air from a package or container, creating a vacuum environment. This process helps to extend the shelf life of perishable products, prevent spoilage, and maintain product freshness. Vacuum pumps play a crucial role in achieving the desired vacuum level for effective packaging.

When it comes to vacuum packaging, there are primarily two types of vacuum pumps commonly used:

1. Single-Stage Vacuum Pumps: Single-stage vacuum pumps are commonly used for vacuum packaging applications. These pumps use a single rotating vane or piston to create a vacuum. They can achieve moderate vacuum levels suitable for most packaging requirements. Single-stage pumps are relatively simple in design, compact, and cost-effective.

2. Rotary Vane Vacuum Pumps: Rotary vane vacuum pumps are another popular choice for vacuum packaging. These pumps utilize multiple vanes mounted on a rotor to create a vacuum. They offer higher vacuum levels compared to single-stage pumps, making them suitable for applications that require deeper levels of vacuum. Rotary vane pumps are known for their reliability, consistent performance, and durability.

When using vacuum pumps for vacuum packaging, the following steps are typically involved:

1. Preparation: Ensure that the packaging material, such as vacuum bags or containers, is suitable for vacuum packaging and can withstand the vacuum pressure without leakage. Place the product to be packaged inside the appropriate packaging material.

2. Sealing: Properly seal the packaging material, either by heat sealing or using specialized vacuum sealing equipment. This ensures an airtight enclosure for the product.

3. Vacuum Pump Operation: Connect the vacuum pump to the packaging equipment or directly to the packaging material. Start the vacuum pump to initiate the vacuuming process. The pump will remove the air from the packaging, creating a vacuum environment.

4. Vacuum Level Control: Monitor the vacuum level during the packaging process using pressure gauges or vacuum sensors. Depending on the specific packaging requirements, adjust the vacuum level accordingly. The goal is to achieve the desired vacuum level suitable for the product being packaged.

5. Sealing and Closure: Once the desired vacuum level is reached, seal the packaging material completely to maintain the vacuum environment. This can be done by heat sealing the packaging material or using specialized sealing mechanisms designed for vacuum packaging.

6. Product Labeling and Storage: After sealing, label the packaged product as necessary and store it appropriately, considering factors such as temperature, humidity, and light exposure, to maximize product shelf life.

It’s important to note that the specific vacuum level required for vacuum packaging may vary depending on the product being packaged. Some products may require a partial vacuum, while others may require a more stringent vacuum level. The choice of vacuum pump and the control mechanisms employed will depend on the specific vacuum packaging requirements.

Vacuum pumps are widely used in various industries for vacuum packaging applications, including food and beverage, pharmaceuticals, electronics, and more. They provide an efficient and reliable means of creating a vacuum environment, helping to preserve product quality and extend shelf life.

vacuum pump

What Is the Role of Vacuum Pumps in Pharmaceutical Manufacturing?

Vacuum pumps play a crucial role in various aspects of pharmaceutical manufacturing. Here’s a detailed explanation:

Vacuum pumps are extensively used in pharmaceutical manufacturing processes to support a range of critical operations. Some of the key roles of vacuum pumps in pharmaceutical manufacturing include:

1. Drying and Evaporation: Vacuum pumps are employed in drying and evaporation processes within the pharmaceutical industry. They facilitate the removal of moisture or solvents from pharmaceutical products or intermediates. Vacuum drying chambers or evaporators utilize vacuum pumps to create low-pressure conditions, which lower the boiling points of liquids, allowing them to evaporate at lower temperatures. By applying vacuum, moisture or solvents can be efficiently removed from substances such as active pharmaceutical ingredients (APIs), granules, powders, or coatings, ensuring the desired product quality and stability.

2. Filtration and Filtrate Recovery: Vacuum pumps are used in filtration processes for the separation of solid-liquid mixtures. Vacuum filtration systems typically employ a filter medium, such as filter paper or membranes, to retain solids while allowing the liquid portion to pass through. By applying vacuum to the filtration apparatus, the liquid is drawn through the filter medium, leaving behind the solids. Vacuum pumps facilitate efficient filtration, speeding up the process and improving product quality. Additionally, vacuum pumps can aid in filtrate recovery by collecting and transferring the filtrate for further processing or reuse.

3. Distillation and Purification: Vacuum pumps are essential in distillation and purification processes within the pharmaceutical industry. Distillation involves the separation of liquid mixtures based on their different boiling points. By creating a vacuum environment, vacuum pumps lower the boiling points of the components, allowing them to vaporize and separate more easily. This enables efficient separation and purification of pharmaceutical compounds, including the removal of impurities or the isolation of specific components. Vacuum pumps are utilized in various distillation setups, such as rotary evaporators or thin film evaporators, to achieve precise control over the distillation conditions.

4. Freeze Drying (Lyophilization): Vacuum pumps are integral to the freeze drying process, also known as lyophilization. Lyophilization is a dehydration technique that involves the removal of water or solvents from pharmaceutical products while preserving their structure and integrity. Vacuum pumps create a low-pressure environment in freeze drying chambers, allowing the frozen product to undergo sublimation. During sublimation, the frozen water or solvent directly transitions from the solid phase to the vapor phase, bypassing the liquid phase. Vacuum pumps facilitate efficient and controlled sublimation, leading to the production of stable, shelf-stable pharmaceutical products with extended shelf life.

5. Tablet and Capsule Manufacturing: Vacuum pumps are utilized in tablet and capsule manufacturing processes. They are involved in the creation of vacuum within tablet presses or capsule filling machines. By applying vacuum, the air is removed from the die cavity or capsule cavity, allowing for the precise filling of powders or granules. Vacuum pumps contribute to the production of uniform and well-formed tablets or capsules by ensuring accurate dosing and minimizing air entrapment, which can affect the final product quality.

6. Sterilization and Decontamination: Vacuum pumps are employed in sterilization and decontamination processes within the pharmaceutical industry. Autoclaves and sterilizers utilize vacuum pumps to create a vacuum environment before introducing steam or chemical sterilants. By removing air or gases from the chamber, vacuum pumps assist in achieving effective sterilization or decontamination by enhancing the penetration and distribution of sterilants. Vacuum pumps also aid in the removal of sterilants and residues after the sterilization process is complete.

It’s important to note that different types of vacuum pumps, such as rotary vane pumps, dry screw pumps, or liquid ring pumps, may be utilized in pharmaceutical manufacturing depending on the specific requirements of the process and the compatibility with pharmaceutical products.

In summary, vacuum pumps play a vital role in various stages of pharmaceutical manufacturing, including drying and evaporation, filtration and filtrate recovery, distillation and purification, freeze drying (lyophilization), tablet and capsule manufacturing, as well as sterilization and decontamination. By enabling efficient and controlled processes, vacuum pumps contribute to the production of high-quality pharmaceutical products, ensuring the desired characteristics, stability, and safety.

vacuum pump

What Is a Vacuum Pump, and How Does It Work?

A vacuum pump is a mechanical device used to create and maintain a vacuum or low-pressure environment within a closed system. Here’s a detailed explanation:

A vacuum pump operates on the principle of removing gas molecules from a sealed chamber, reducing the pressure inside the chamber to create a vacuum. The pump accomplishes this through various mechanisms and techniques, depending on the specific type of vacuum pump. Here are the basic steps involved in the operation of a vacuum pump:

1. Sealed Chamber:

The vacuum pump is connected to a sealed chamber or system from which air or gas molecules need to be evacuated. The chamber can be a container, a pipeline, or any other enclosed space.

2. Inlet and Outlet:

The vacuum pump has an inlet and an outlet. The inlet is connected to the sealed chamber, while the outlet may be vented to the atmosphere or connected to a collection system to capture or release the evacuated gas.

3. Mechanical Action:

The vacuum pump creates a mechanical action that removes gas molecules from the chamber. Different types of vacuum pumps use various mechanisms for this purpose:

– Positive Displacement Pumps: These pumps physically trap gas molecules and remove them from the chamber. Examples include rotary vane pumps, piston pumps, and diaphragm pumps.

– Momentum Transfer Pumps: These pumps use high-speed jets or rotating blades to transfer momentum to gas molecules, pushing them out of the chamber. Examples include turbomolecular pumps and diffusion pumps.

– Entrapment Pumps: These pumps capture gas molecules by adsorbing or condensing them on surfaces or in materials within the pump. Cryogenic pumps and ion pumps are examples of entrainment pumps.

4. Gas Evacuation:

As the vacuum pump operates, it creates a pressure differential between the chamber and the pump. This pressure differential causes gas molecules to move from the chamber to the pump’s inlet.

5. Exhaust or Collection:

Once the gas molecules are removed from the chamber, they are either exhausted into the atmosphere or collected and processed further, depending on the specific application.

6. Pressure Control:

Vacuum pumps often incorporate pressure control mechanisms to maintain the desired level of vacuum within the chamber. These mechanisms can include valves, regulators, or feedback systems that adjust the pump’s operation to achieve the desired pressure range.

7. Monitoring and Safety:

Vacuum pump systems may include sensors, gauges, or indicators to monitor the pressure levels, temperature, or other parameters. Safety features such as pressure relief valves or interlocks may also be included to protect the system and operators from overpressure or other hazardous conditions.

It’s important to note that different types of vacuum pumps have varying levels of vacuum they can achieve and are suitable for different pressure ranges and applications. The choice of vacuum pump depends on factors such as the required vacuum level, gas composition, pumping speed, and the specific application’s requirements.

In summary, a vacuum pump is a device that removes gas molecules from a sealed chamber, creating a vacuum or low-pressure environment. The pump accomplishes this through mechanical actions, such as positive displacement, momentum transfer, or entrapment. By creating a pressure differential, the pump evacuates gas from the chamber, and the gas is either exhausted or collected. Vacuum pumps play a crucial role in various industries, including manufacturing, research, and scientific applications.

China Standard 3 Years Warranty High Pressure Hydraulic Vacuum Submersible Centrifugal 12V 24V 48V MPPT Controller DC AC Compatible Solar Water Pump   with Best Sales China Standard 3 Years Warranty High Pressure Hydraulic Vacuum Submersible Centrifugal 12V 24V 48V MPPT Controller DC AC Compatible Solar Water Pump   with Best Sales
editor by CX 2024-03-25

China Good quality Roots+ Water Ring Vacuum Unit Pump for Chemical, Petroleum, Pharmaceutical, Electric, Food, Light Industry with Great quality

Product Description

 

Product Description

JZJ2b series Roots water ring vacuum unit is an air extraction unit composed of ZJ and zjp roots vacuum pumps as injection and extraction pumps and 2BV and 2be water ring vacuum pumps as front stage pumps according to a certain pumping speed ratio. It can not only be used to extract general gases, but also gases containing water and a small amount of dust. Compared with the general mechanical vacuum pump, it is not afraid of oil pollution, water vapor and dust; Compared with the general water ring vacuum pump, it has advantages of the high limit vacuum and high pumping speed under high vacuum conditions. It is widely used in chemical, pharmaceutical, petroleum, electric power, food, light industry and other industries. It is used to pump places containing a large amount of water vapor, condensable gas and a small amount of CHINAMFG particles.

Our Advantages

JZJ2B series Roots water ring vacuum pump unit adopts 2BV and 2be water ring vacuum pumps with high efficiency and energy saving as the front stage pump and roots vacuum pump as the main pumping pump. Therefore, jzj2b series Roots water ring vacuum pump unit has the advantages of high efficiency, compact structure and high vacuum degree.

The working fluid of the front stage pump of jzj2b series Roots water ring vacuum pump unit mostly uses water, and can also use organic solvents (methanol, ethanol, xylene, acetone and other organic solvents) or other liquids. The front stage pump is used as a closed circulation system, which greatly reduces the pollution to the environment and greatly improves the recovery of organic solvents. The limit vacuum degree is determined by the saturated vapor pressure of the working fluid.

Product Parameters

Unit Type Pump model Pumping speed  (L/S) Maximum suction pressure (Pa) pressure limit Total Power (kW)
Main Pump prepump water ring oil pump unit
JZJ2B30-2 ZJ30 2BV2061 30 8000     2.25
JZJ2B30-1 ZJ30 2BV5110 30 12000     4.75
JZJ2B70-2 ZJ70 2BV5110 70 6000     5.1
JZJ2B70-1 ZJ70 2BV5111 70 12000     6.6
JZJ2B150-2A ZJP150 2BV5111 150 6000     7.7
JZJ2B150-2B ZJP150 2BV5121 150 8000     9.7
JZJ2B150-1 ZJP150 2BV5131 150 10000     13.2
JZJ2B300-2A ZJP300 2BV5131 300 4000     15
JZJ2B300-2B ZJP300 2BV5161 300 5000 267 80 19
JZJ2B300-1 ZJP300 2BE1 202 300 10000     26
JZJ2B600-2A ZJP600 2BE1 202 600 4000     27.5
JZJ2B600-2B ZJP600 2BE1 203 600 5000     42.5
JZJ2B600-1 ZJP600 2BE1 252 600 12000     50.5
JZJ2B1200-2A ZJP1200 2BE1 252 1200 2500     56
JZJ2B1200-2B ZJP1200 2BE1 253 1200 4000     86
JZJ2B1200-1 ZJP1200 2BE1 303 1200 8000     121
JZJ2B2500-2 ZJP2500 2BE1 303 2500 3000     132
JZJ2B70-2.1 ZJ70 ZJ30/2BV5110 70 6000     5.85
JZJ2B150-2.1 ZJP150 ZJ70/2BV5111 150 6000 25 0.8 8.8
JZJ2B 150-4.1 ZJP150 ZJ30/2BV5110 150 3000     6.95

 

Unit Type pump model pumping speed (L/S) maximum suction pressure (Pa) pressure limit total power (kW)
main pump prepump water ring unit oil pump unit
JZJ2B300-2.1 ZJP300 ZJP150/2BV5131 300 5000     17.2
JZJ2B300-2.2 ZJP300 ZJP150/2BV5121 300 4000     13.7
JZJ2B300-4.1 ZJP300 ZJ70/2BV5111 300 2000     10.6
JZJ2B600-4.1 ZJP600 ZJP150/2BV5131 600 1500     18.7
JZJ2B600-2.2 ZJP600 ZJP300/2BV5161 600 2000 25 0.8 24.5
JZJ2B1200-4.2 ZJP1200 ZJP300/2BV5161 1200 1000 30
JZJ2B1200-4.1 ZJP1200 ZJP1200/2BE1 202 1200 1200     37
JZJ2B 1200-2.2 ZJP1200 ZJP600/2BE1 203 1200 2500     53.5
JZJ2B1200-2.1 ZJP1200 ZJP600/2BE1 252 1200 3000     61.5
JZJ2B2500-4.1 ZJP2500 ZJP600/2BE1 252 2500 1000     72.5
JZJ2B70-2.1.1 ZJ70 ZJ30/ZJ30/2BV5110 70 6000     6.6
JZJ2B150-2.2.1 ZJP150 ZJ70/ZJ30/2BV5110 150 3000     8.05
JZJ2B300-2.2.1 ZJP300 ZJ150/ZJ70/2BV5111 300 3000     12.8
JZJ2B300-4.2.1 ZJP300 ZJ70/ZJ30/2BV5110 300 1200 0.5 0.05 9.85
JZJ2B600-2.2.1 ZJP600 ZJP300/ZJP150/2BV5131 600 2500 22.7
JZJ2B600-4.2.1 ZJP600 ZJP150/ZJ70/2BV5111 600 1200     14.3
JZJ2B1200-4.2.1 ZJP1200 ZJP300/ZJP150/2BV5131 1200 1000     28.2
JZJ2B2500-4.2.1 ZJ2500 ZJP600/ZJP300/2BE1 202 2500 1000     53.5

Detailed Photos

 

General Manager Speech

Deeply cultivate the vacuum technology, and research,develop and manufacture the vacuum equipment to provide the best solution in the vacuum field and make the vacuum application easier.

Company Profile

ZheJiang Kaien Vacuum Technology Co., Ltd. is a high-tech enterprise integrating R & D, production and operation of vacuum equipment. The company has strong technical force, excellent equipment and considerate after-sales service. The product manufacturing process is managed in strict accordance with IS09001 quality system. It mainly produces and sells screw vacuum pump, roots pump, claw vacuum pump, runoff vacuum pump, scroll pump, water ring vacuum pump, vacuum unit and other vacuum systems.

New plant plHangZhou

The company’s products have been for a number of food, medicine, refrigeration, drying plants and a number of transformer related equipment manufacturers for vacuum equipment. The products are widely used in vacuum drying and dehydration, kerosene vapor phase drying, vacuum impregnation, vacuum metallurgy, vacuum coating, vacuum evaporation, vacuum concentration, oil and gas recovery, etc.

High precision machining equipment

The company cooperates with many scientific research institutions and universities, such as ZheJiang University, China University of petroleum, ZheJiang Institute of mechanical design, etc.with colleges and universities to research and develop core technologies, and owns dozens of independent intellectual property patents.Our technology is leading, the product quality is stable, the product has a good reputation in China’s domestic market, is sold all over the country, and is exported to Europe, America, Africa, the Middle East and Southeast Asia,We adhering to the basic tenet of quality, reputation and service, the company takes leading-edge technology of vacuum pump as its own responsibility, and wholeheartedly serves customers of vacuum equipment application in various industries with rigorous working attitude and professional working style.

  Product quality wins consumer cooperation

In shipment

ISO 9001

High tech enterprise certificate

 Welcome to send your needs, we will provide you with the best service,

provide the greatest help!!!

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Warranty: One Year
Oil or Not: Oil Free
Structure: Screw
Exhauster Method: Entrapment Vacuum Pump
Vacuum Degree: High Vacuum
Work Function: Mainsuction Pump
Customization:
Available

|

vacuum pump

Can Vacuum Pumps Be Used for Vacuum Packaging?

Yes, vacuum pumps can be used for vacuum packaging. Here’s a detailed explanation:

Vacuum packaging is a method used to remove air from a package or container, creating a vacuum environment. This process helps to extend the shelf life of perishable products, prevent spoilage, and maintain product freshness. Vacuum pumps play a crucial role in achieving the desired vacuum level for effective packaging.

When it comes to vacuum packaging, there are primarily two types of vacuum pumps commonly used:

1. Single-Stage Vacuum Pumps: Single-stage vacuum pumps are commonly used for vacuum packaging applications. These pumps use a single rotating vane or piston to create a vacuum. They can achieve moderate vacuum levels suitable for most packaging requirements. Single-stage pumps are relatively simple in design, compact, and cost-effective.

2. Rotary Vane Vacuum Pumps: Rotary vane vacuum pumps are another popular choice for vacuum packaging. These pumps utilize multiple vanes mounted on a rotor to create a vacuum. They offer higher vacuum levels compared to single-stage pumps, making them suitable for applications that require deeper levels of vacuum. Rotary vane pumps are known for their reliability, consistent performance, and durability.

When using vacuum pumps for vacuum packaging, the following steps are typically involved:

1. Preparation: Ensure that the packaging material, such as vacuum bags or containers, is suitable for vacuum packaging and can withstand the vacuum pressure without leakage. Place the product to be packaged inside the appropriate packaging material.

2. Sealing: Properly seal the packaging material, either by heat sealing or using specialized vacuum sealing equipment. This ensures an airtight enclosure for the product.

3. Vacuum Pump Operation: Connect the vacuum pump to the packaging equipment or directly to the packaging material. Start the vacuum pump to initiate the vacuuming process. The pump will remove the air from the packaging, creating a vacuum environment.

4. Vacuum Level Control: Monitor the vacuum level during the packaging process using pressure gauges or vacuum sensors. Depending on the specific packaging requirements, adjust the vacuum level accordingly. The goal is to achieve the desired vacuum level suitable for the product being packaged.

5. Sealing and Closure: Once the desired vacuum level is reached, seal the packaging material completely to maintain the vacuum environment. This can be done by heat sealing the packaging material or using specialized sealing mechanisms designed for vacuum packaging.

6. Product Labeling and Storage: After sealing, label the packaged product as necessary and store it appropriately, considering factors such as temperature, humidity, and light exposure, to maximize product shelf life.

It’s important to note that the specific vacuum level required for vacuum packaging may vary depending on the product being packaged. Some products may require a partial vacuum, while others may require a more stringent vacuum level. The choice of vacuum pump and the control mechanisms employed will depend on the specific vacuum packaging requirements.

Vacuum pumps are widely used in various industries for vacuum packaging applications, including food and beverage, pharmaceuticals, electronics, and more. They provide an efficient and reliable means of creating a vacuum environment, helping to preserve product quality and extend shelf life.

vacuum pump

Can Vacuum Pumps Be Used for Chemical Distillation?

Yes, vacuum pumps are commonly used in chemical distillation processes. Here’s a detailed explanation:

Chemical distillation is a technique used to separate or purify components of a mixture based on their different boiling points. The process involves heating the mixture to evaporate the desired component and then condensing the vapor to collect the purified substance. Vacuum pumps play a crucial role in chemical distillation by creating a reduced pressure environment, which lowers the boiling points of the components and enables distillation at lower temperatures.

Here are some key aspects of using vacuum pumps in chemical distillation:

1. Reduced Pressure: By creating a vacuum or low-pressure environment in the distillation apparatus, vacuum pumps lower the pressure inside the system. This reduction in pressure lowers the boiling points of the components, allowing distillation to occur at temperatures lower than their normal boiling points. This is particularly useful for heat-sensitive or high-boiling-point compounds that would decompose or become thermally degraded at higher temperatures.

2. Increased Boiling Point Separation: Vacuum distillation increases the separation between the boiling points of the components, making it easier to achieve a higher degree of purification. In regular atmospheric distillation, the boiling points of some components may overlap, leading to less effective separation. By operating under vacuum, the boiling points of the components are further apart, improving the selectivity and efficiency of the distillation process.

3. Energy Efficiency: Vacuum distillation can be more energy-efficient compared to distillation under atmospheric conditions. The reduced pressure lowers the required temperature for distillation, resulting in reduced energy consumption and lower operating costs. This is particularly advantageous when dealing with large-scale distillation processes or when distilling heat-sensitive compounds that require careful temperature control.

4. Types of Vacuum Pumps: Different types of vacuum pumps can be used in chemical distillation depending on the specific requirements of the process. Some commonly used vacuum pump types include:

– Rotary Vane Pumps: Rotary vane pumps are widely used in chemical distillation due to their ability to achieve moderate vacuum levels and handle various gases. They work by using rotating vanes to create chambers that expand and contract, enabling the pumping of gas or vapor.

– Diaphragm Pumps: Diaphragm pumps are suitable for smaller-scale distillation processes. They use a flexible diaphragm that moves up and down to create a vacuum and compress the gas or vapor. Diaphragm pumps are often oil-free, making them suitable for applications where avoiding oil contamination is essential.

– Liquid Ring Pumps: Liquid ring pumps can handle more demanding distillation processes and corrosive gases. They rely on a rotating liquid ring to create a seal and compress the gas or vapor. Liquid ring pumps are commonly used in chemical and petrochemical industries.

– Dry Screw Pumps: Dry screw pumps are suitable for high-vacuum distillation processes. They use intermeshing screws to compress and transport gas or vapor. Dry screw pumps are known for their high pumping speeds, low noise levels, and oil-free operation.

Overall, vacuum pumps are integral to chemical distillation processes as they create the necessary reduced pressure environment that enables distillation at lower temperatures. By using vacuum pumps, it is possible to achieve better separation, improve energy efficiency, and handle heat-sensitive compounds effectively. The choice of vacuum pump depends on factors such as the required vacuum level, the scale of the distillation process, and the nature of the compounds being distilled.

vacuum pump

What Industries Commonly Rely on Vacuum Pump Technology?

Vacuum pump technology finds applications in various industries where creating and controlling vacuum or low-pressure environments is crucial. Here’s a detailed explanation:

1. Manufacturing and Production: Vacuum pumps are extensively used in manufacturing and production processes across multiple industries. They are employed for tasks such as vacuum molding, vacuum packaging, vacuum degassing, vacuum drying, and vacuum distillation. Industries like automotive, aerospace, electronics, pharmaceuticals, and food processing rely on vacuum pump technology to achieve precise and controlled manufacturing conditions.

2. Chemical and Pharmaceutical: The chemical and pharmaceutical industries heavily rely on vacuum pumps for numerous applications. These include solvent recovery, vacuum filtration, vacuum drying, distillation, crystallization, and evaporation. Vacuum pumps enable these industries to carry out critical processes under reduced pressure, ensuring efficient separation, purification, and synthesis of various chemical compounds and pharmaceutical products.

3. Semiconductor and Electronics: The semiconductor and electronics industries extensively use vacuum pumps for manufacturing microchips, electronic components, and electronic devices. Vacuum pumps are crucial in processes such as physical vapor deposition (PVD), chemical vapor deposition (CVD), etching, ion implantation, and sputtering. These processes require controlled vacuum conditions to ensure precise deposition, surface modification, and contamination-free manufacturing.

4. Research and Development: Vacuum pump technology is integral to research and development activities across scientific disciplines. It supports experiments and investigations in fields such as physics, chemistry, materials science, biology, and environmental science. Vacuum pumps facilitate processes like freeze drying, vacuum distillation, vacuum evaporation, vacuum spectroscopy, and creating controlled atmospheric conditions for studying various phenomena.

5. Food and Beverage: The food and beverage industry relies on vacuum pumps for packaging and preservation purposes. Vacuum sealing is used to extend the shelf life of food products by removing air and creating a vacuum-sealed environment that inhibits spoilage and maintains freshness. Vacuum pumps are also used in processes like freeze drying, vacuum concentration, and vacuum cooling.

6. Oil and Gas: In the oil and gas industry, vacuum pumps play a role in various applications. They are used for crude oil vacuum distillation, vacuum drying, vapor recovery, gas compression, and gas stripping processes. Vacuum pumps help maintain optimal conditions during oil refining, gas processing, and petrochemical manufacturing.

7. Environmental and Waste Management: Vacuum pumps are employed in environmental and waste management applications. They are used for tasks such as soil vapor extraction, groundwater remediation, landfill gas recovery, and wastewater treatment. Vacuum pumps facilitate the removal and containment of gases, vapors, and pollutants, contributing to environmental protection and sustainable waste management.

8. Medical and Healthcare: The medical and healthcare sectors utilize vacuum pumps for various purposes. They are used in medical equipment such as vacuum-assisted wound therapy devices, vacuum-based laboratory analyzers, and vacuum suction systems in hospitals and clinics. Vacuum pumps are also used in medical research, pharmaceutical production, and medical device manufacturing.

9. Power Generation: Vacuum pumps play a role in power generation industries, including nuclear power plants and thermal power plants. They are used for steam condensation, turbine blade cooling, vacuum drying during transformer manufacturing, and vacuum systems for testing and maintenance of power plant equipment.

10. HVAC and Refrigeration: The HVAC (Heating, Ventilation, and Air Conditioning) and refrigeration industries rely on vacuum pumps for system installation, maintenance, and repair. Vacuum pumps are used to evacuate air and moisture from refrigerant lines and HVAC systems, ensuring optimal system performance and efficiency.

These are just a few examples of industries that commonly rely on vacuum pump technology. The versatility and wide-ranging applications of vacuum pumps make them indispensable tools across numerous sectors, enabling precise control over vacuum conditions, efficient manufacturing processes, and scientific investigations.

China Good quality Roots+ Water Ring Vacuum Unit Pump for Chemical, Petroleum, Pharmaceutical, Electric, Food, Light Industry   with Great quality China Good quality Roots+ Water Ring Vacuum Unit Pump for Chemical, Petroleum, Pharmaceutical, Electric, Food, Light Industry   with Great quality
editor by CX 2024-01-01

China Best Sales Roots Vacuum Pump and Water Ring Vacuum Pump Unit for Industries Pumps with Best Sales

Product Description

 

Product Description

Roots pump is a kind of vacuum pump without internal compression. It is a vacuum pump that realizes air extraction by moving gas under the pushing action of synchronous and reverse rotation of a pair of “8” shaped rotors in the pump cavity. Generally, the pumping rate is large and the power of the motor is small, so the front pump is required to pre pump. After the front pump reaches the specified vacuum degree, start the roots vacuum pump to improve the pumping speed and vacuum degree. Its structure and working principle are similar to roots blower. During operation, its suction is connected with the evacuated container or the main pump of vacuum system. There is no contact between rotors of Roots vacuum pump and between rotors and pump casing.

Our Advantages

The running parts in the pump have no friction, no lubrication, and there is no oil in the pump cavity, so a clean vacuum can be obtained.

two leaf involute cycloid profile, high-precision machining to ensure smooth and quiet operation.

the gas in the pump chamber flows vertically, which is conducive to the discharge of dust and condensate in the pumped gas.

. The high-strength rotor with complete symmetry and precise dynamic balance operates stably and reliably.

high precision gear, imported bearing, low vibration and noise.

the new omni-directional three-dimensional water-cooling jacket design can effectively cool the pump body and greatly prolong the service life of the pump.

the overflow surface can be plated with shackles, Hastelloy and PTFE, which can adapt to corrosive environments with different strengths.

it is convenient to form roots vacuum unit with liquid ring vacuum pump, rotary vane vacuum pump and dry vacuum pump.

 

Typical Use

——Oil and gas recovery.    ——Biological medicine ——Food Processing —— Single crystal furnace
——Vacuum forming ——Vacuum flame refining ——Electronic photovoltaic. ——Semiconductor synthesis

Product Parameters

Type Pumping Speed L/S Maximum allowable differential pressure (Pa) Pump Speed(RPM) Inlet Diameter(mm) Outlet Diameter(mm) Motor Power(kw)
ZJB-70 70 8000 2850 80 50 1.5
ZJB-150 150 6000 2850 100 80 3
ZJB-300 300 5000 2900 150 100 4
ZJB-600 600 4000 2900 200 150 5.5Z7.5
ZJ-1200 1200 3000 2900 250 200 11/15
ZJ-2500 2500 2600 2900 300 250 22
ZJ-3750 3750 2600 1450 350 350 30
ZJ-5000 5000 2600 1450 400 400 45

 

 

Detailed Photos

 

General Manager Speech

Deeply cultivate the vacuum technology, and research,develop and manufacture the vacuum equipment to provide the best solution in the vacuum field and make the vacuum application easier.

Company Profile

ZheJiang Kaien Vacuum Technology Co., Ltd. is a high-tech enterprise integrating R & D, production and operation of vacuum equipment. The company has strong technical force, excellent equipment and considerate after-sales service. The product manufacturing process is managed in strict accordance with IS09001 quality system. It mainly produces and sells screw vacuum pump, roots pump, claw vacuum pump, runoff vacuum pump, scroll pump, water ring vacuum pump, vacuum unit and other vacuum systems.

 New plant plHangZhou

The company’s products have been for a number of food, medicine, refrigeration, drying plants and a number of transformer related equipment manufacturers for vacuum equipment. The products are widely used in vacuum drying and dehydration, kerosene vapor phase drying, vacuum impregnation, vacuum metallurgy, vacuum coating, vacuum evaporation, vacuum concentration, oil and gas recovery, etc.

High precision machining equipment

The company cooperates with colleges and universities to research and develop core technologies, and owns dozens of independent intellectual property patents. Adhering to the basic tenet of quality, reputation and service, the company takes leading-edge technology of vacuum pump as its own responsibility, and wholeheartedly serves customers of vacuum equipment application in various industries with rigorous working attitude and professional working style.

Product quality wins consumer cooperation In shipment ISO 9001 High tech enterprise certificate

 

 

Warranty: One Year
Oil or Not: Oil Free
Structure: Screw
Exhauster Method: Entrapment Vacuum Pump
Vacuum Degree: High Vacuum
Work Function: Mainsuction Pump
Customization:
Available

|

roots vacuum pump

What Are the Differences Between Dry and Wet Roots Vacuum Pumps?

Dry and wet Roots vacuum pumps are two different types of pumps with distinct operating principles and characteristics. Here’s a detailed explanation of their differences:

1. Operating Principle:

– Dry Roots Vacuum Pump: A dry Roots vacuum pump operates without the use of any lubricating fluid or sealing liquid. It consists of two or more intermeshing lobed rotors that rotate in opposite directions, creating a series of expanding and contracting chambers. As the rotors rotate, gas is trapped in the chambers and carried from the inlet to the outlet, resulting in the generation of a vacuum.

– Wet Roots Vacuum Pump: A wet Roots vacuum pump, also known as a liquid ring pump, uses a liquid, typically water or another compatible liquid, as a sealing and working fluid. The liquid forms a rotating ring inside the pump, creating a seal between the lobes of the rotors. As the rotors turn, the liquid ring traps and carries the gas from the inlet to the outlet, creating a vacuum.

2. Lubrication and Sealing:

– Dry Roots Vacuum Pump: Dry Roots pumps do not require lubrication or sealing fluid. The absence of liquids eliminates the need for maintenance associated with fluid handling, such as oil changes or water management. Dry pumps are often preferred in applications where contamination from lubricants or sealing fluids is a concern, such as in semiconductor manufacturing or pharmaceutical industries.

– Wet Roots Vacuum Pump: Wet Roots pumps rely on a liquid seal for operation, requiring a continuous supply of sealing liquid, typically water. The liquid serves as both a sealant and a coolant for the pump. However, it also necessitates careful management of the liquid, including water supply, disposal, and potential contamination risks. Wet pumps are commonly used in applications where the presence of the sealing liquid is not a concern or can be easily managed.

3. Operation Efficiency:

– Dry Roots Vacuum Pump: Dry pumps are known for their high operational efficiency. They can achieve high pumping speeds and create substantial vacuum levels. Dry pumps are particularly suitable for processes that require quick pump-down times or applications where a deep vacuum is necessary.

– Wet Roots Vacuum Pump: Wet pumps typically have lower pumping speeds compared to dry pumps. While they can achieve moderate vacuum levels, they are not as effective in creating deep vacuums. Wet pumps are often used in processes where the pumping speed requirements are not as demanding, or in applications where the presence of the sealing liquid can provide benefits, such as in handling condensable gases or preventing contamination.

4. Application Suitability:

– Dry Roots Vacuum Pump: Dry pumps are commonly used in a wide range of applications, including semiconductor manufacturing, analytical instruments, vacuum packaging, and industrial processes. Their ability to handle different gases and their high operational efficiency make them suitable for various industries and processes.

– Wet Roots Vacuum Pump: Wet pumps find application in processes where the presence of a sealing liquid is advantageous. They are often used in applications involving the handling of water vapor, condensable gases, or corrosive gases. Wet pumps are utilized in industries such as chemical processing, pharmaceuticals, food processing, and environmental applications.

5. Maintenance and Care:

– Dry Roots Vacuum Pump: Dry pumps generally require less maintenance compared to wet pumps. They do not rely on sealing liquid, reducing the need for fluid changes, disposal, or monitoring of liquid levels. Dry pumps may require periodic maintenance, such as cleaning, inspection, and rotor lubrication, but the maintenance requirements are typically less frequent and less involved.

– Wet Roots Vacuum Pump: Wet pumps require regular maintenance due to the presence of the sealing liquid. Maintenance tasks include monitoring and replenishing the liquid, managing the water supply, and ensuring proper disposal of the used liquid. The sealing liquid may also require filtration or treatment to remove contaminants or prevent scaling or corrosion.

In summary, dry and wet Roots vacuum pumps differ in their operating principles, lubrication and sealing methods, operation efficiency, application suitability, and maintenance requirements. Dry pumps operate without lubrication or sealing fluid, offer high efficiency and are suitable for a wide range of applications. Wet pumps rely on a liquid seal, have lower pumping speeds, are used in applications where the liquid presence is advantageous, and require regular maintenance and care.

roots vacuum pump

How Do Roots Vacuum Pumps Differ from Other Types of Vacuum Pumps?

Roots vacuum pumps, also known as Roots blowers or rotary lobe pumps, have distinct characteristics that set them apart from other types of vacuum pumps. Here’s a detailed explanation of the differences between Roots vacuum pumps and other common types of vacuum pumps:

1. Operating Principle: Roots vacuum pumps operate based on the principle of positive displacement. They use synchronized rotating lobes to trap and compress gas, resulting in the creation of a pressure differential that generates vacuum. Other types of vacuum pumps, such as rotary vane pumps, liquid ring pumps, and diffusion pumps, operate on different principles, such as rotor rotation, liquid sealing, or molecular diffusion.

2. Pumping Mechanism: Roots vacuum pumps are non-contacting pumps, meaning there is no physical contact between the lobes or between the lobes and the housing. This eliminates the need for lubrication within the pump and reduces the risk of contamination or oil vapor backstreaming into the vacuum system. In contrast, many other types of vacuum pumps rely on a sealing mechanism that involves physical contact between moving parts, requiring lubrication to maintain proper operation.

3. Pumping Speed: Roots vacuum pumps are known for their high pumping speed, which refers to the rate at which they can remove gas from a vacuum system. They excel at handling large volumes of gas efficiently. This makes Roots vacuum pumps suitable for applications that require rapid evacuation or continuous extraction of gases. Other types of vacuum pumps may have different pumping speeds depending on their design and intended applications.

4. Vacuum Level: While Roots vacuum pumps are efficient at generating rough vacuum levels, typically in the range of 10 to 1,000 mbar, they are not capable of achieving high vacuum levels on their own. They are often used in conjunction with other vacuum pumps, such as rotary vane pumps or diffusion pumps, in hybrid or combination pumping systems to achieve higher vacuum levels. In contrast, other types of vacuum pumps, such as turbomolecular pumps or cryogenic pumps, are designed specifically for achieving and maintaining high vacuum levels.

5. Gas Handling: Roots vacuum pumps have a large gas handling capacity and can handle a wide range of gases, including clean air, corrosive gases, and vapors. Their robust construction and ability to handle gas with particulates or liquids make them suitable for applications in various industries. Other types of vacuum pumps may have limitations in terms of the types of gases they can handle or may require additional equipment or treatments to handle specific gases.

6. Applications: Roots vacuum pumps find applications in a wide range of industrial processes, including chemical processing, pharmaceuticals, food processing, environmental technology, semiconductor manufacturing, packaging, and research laboratories. Other types of vacuum pumps, such as turbomolecular pumps, cryogenic pumps, or scroll pumps, may be more commonly used in specific industries or applications where their unique operating principles or capabilities are advantageous.

It’s important to note that the selection of a vacuum pump depends on various factors, including the desired vacuum level, gas composition, pumping speed requirements, application-specific considerations, and budget constraints. Different types of vacuum pumps offer distinct advantages and are chosen based on the specific requirements of the application.

In summary, Roots vacuum pumps differ from other types of vacuum pumps in terms of their operating principle, pumping mechanism, pumping speed, vacuum level capabilities, gas handling capacity, and applications. Understanding these differences helps in selecting the most suitable vacuum pump for a particular industrial process or application.

China Best Sales Roots Vacuum Pump and Water Ring Vacuum Pump Unit for Industries Pumps   with Best Sales China Best Sales Roots Vacuum Pump and Water Ring Vacuum Pump Unit for Industries Pumps   with Best Sales
editor by CX 2023-12-08

China Professional 2be1 300 Water Ring Vacuum Pump for Chemical, Chemical Fertilizer, Paper and Pharmaceutical Industry From China with Good quality

Product Description

 

 
Catalogue sheet 2BE1 300-0 
                                                  Liquid Ring  Vacuum pump 
                                                        
  

Introducing the 2be1 300 Series China Pumps Liquid Water Ring Vacuum Pump – a top-of-the-line product designed to meet all your vacuum pumping needs. This high-quality vacuum pump is perfect for a wide range of applications, from industrial to commercial use.

With its advanced technology and superior performance, the 2be1 202 Series China Pumps Liquid Water Ring Vacuum Pump is the ideal choice for those seeking a reliable and efficient vacuum pump. Its powerful motor ensures maximum suction power, while its durable construction guarantees long-lasting performance.

This vacuum pump is designed to handle a variety of liquids and gases, making it a versatile tool for any industry. Its compact size and easy-to-use design make it a popular choice for those seeking a reliable and efficient vacuum pump.

So if you’re looking for a top-quality vacuum pump that can handle all your pumping needs, look no further than the 2be1 202 Series China Pumps Liquid Water Ring Vacuum Pump. With its superior performance and advanced technology, this vacuum pump is sure to exceed your expectations.
 
 Our company is specialized in different kinds of products. We stick to the principle of “quality first, service first, continuous improvement and innovation to meet the customers” for the management and “zero defect, zero complaints” as the quality objective. To perfect our service, we make our products with good quality at the reasonable price.
Main applications  
          
These pumps are ideally suited for high demands of the process
          

  • Reactions     
  • VCM recovery       
  • Crystallisation        
  • Distillation    
  • Evaporation           
  • Filtration       
  • Solvent recovery  
  • Drying          
  • Extrusion      
  • Condenser evacuation          

          

Main industries  

     

Features and benefits  

          

  • Heavy duty CPI version           
  • Large material variety available  
  • High efficiency
  • Inlet pressures until 33 mbar
  • Wide selection of shaft seal options
  • Also with ATEX certification in Cat. 1 and 2         

OPpPerformer
ating liquid ratesOperating liquid rates

 
These performance curves are based on operating conditions with saturated air at a temperature of 20 °C (68 °F), operating water at a temperature of 15 °C (60 °F), and a discharge pressure of 1013 mbar (29.92 in Hg abs.) with a tolerance of + 5 %, acc. to PNEUROP 6612.

Operating conditions based on different temperatures than stated abovce, often result in increased capacities. Thus, a smaller pump might be selected. Please contact us for your specific requirements.

Calculation of individual performance curves is done acc. to individual specification requirements.
                  

Operating liquid rates  
Operating liquid rates (water) for various inlet pressures (1 m³/h = 4.4 US gpm):  
 
   
Speed rpm  (min-1)  mbar:  
< 200
 
200 … 400
 
400 … 600
 
> 600
790 m³/h 10.1 8.1 6.8 3.4
740   9.5 7.6 6.4 3.2
710   9.1 7.3 6.1 3.1
660   8.5 6.8 5.7 2.9
590   7.6 6.1 5.1 2.6
530   6.8 5.4 4.6 2.3
500   6.4 5.1 4.3 2.2
472   6.1 4.9 4.1 2.1

 
 Tolerance + 20 % 

 

 
 

Materials   
Part No. Description   Material of construction –  
Teile Nr.
 
 
 
 
 
 
Grey cast iron
Grey cast iron / Bronze SS / Grey cast iron SS casting / Grey cast iron
         B   C   E   M  
Vacuum pump  
 
1.01
 
Impeller
   
Spheroidal graphite cast iron
ASTM A 536
Grade 60-40-18 2)
 
 
Aluminium bronze
(ASTM B148-74) 2)
 
Stainless steel
ASTM A 276 316Ti 2)
 
 
 
1.02
 
  
 
Shaft
 
  
   
Carbon steel 
ASTM A 572 Grade 50 2)
 
Stahl 
S355J2G3 (St52-3N) / 1.571 2)  
 
 
2.01    
 
Shaft bushing  
   
Stainless steel centrifugal casting ASTM 532 III A 25% Cr 2)  
 
 
3.01 
4.01
 
Port plates
   
Carbon steel 
ASTM A 283 Grade C 2)  
 
Stainless steel 
ASTM A 276 316L 2)  
 
Carbon steel 
ASTM A 283 Grade C 2)  
 
6.01
 
Casing 
   
Grey cast iron 
ASTM A 48 Class 40 B 2)  
 
Grey cast iron 
ASTM A 48 Class 40 B 2)
lined with stainless steel
ASTM A 283 Grade C + ASTM A 276 316Ti 2)  
 
Grey cast iron 
ASTM A 48 Class 40 B 2)  
 
7.01
8.01
   
 
End shields 1)
   
   
Grey cast iron 
ASTM A 48 Class 30 B 2)
 
Gusseisen mit Lamellengraphit 
EN-GJL-200/EN-JL1030 (GG-20 / 0.6571) 2)  
 
 
10.01  
 
Packing ring  
   
Ramie-fibre with PTFE Ramiefaser it PTFE
 
 
 
10.02
 
 
Sealing water distribution ring
 
   
Fiber reinforces plastic
Faserverstärkter Kunststoff
 
 
Extended scope of supply  
 
 
 
  
 
Manifold 
(F44 / F47)
 
  
   
Carbon steel 
ASTM A 283 Grade C 2)
 
Stahl 
S235JR (St37-2) / 1.0037 2)  
 
 
 
   
 
Liquid separator (F43)
 
  
   
Carbon steel 
ASTM A 283 Grade C 2)
 
Stahl  S235JR (St37-2) / 1.0037 2)  
 

 

  1. Important note:   

    Also deliverable with medium contacted parts completely in stainless steel; please request.
  
 

  1. Or comparable material.
Model numbers and order information                                                                               
Scope of supply   Material of construction – Werkstoffkombination    1) (Details on page 4  –  Details siehe Seite 4) Weight
 
 
 
 
 
 
 
 
 
 
Grey cast iron Grey cast iron / Stainless steel /  SS casting / 
Bronze Grey cast iron Grey cast iron
B C E M
Order No. Order No. Order No. Order No.
 
Ge-
wicht
 appr. kg
Vacuum pump, basic design  
 
Inlet flange N1.0 at the top, discharge flange N2.0 at the  bottom
   
                     
 
 
 
 
 
 
 
             
Housing w/o partition wall
 
                       
 
 
 
 
 
 
 
             
 
Stuffing box    with internal sealant   2BE1 303-0BY4 2BE1 303-0CY4 2BE1 303-0EY4 2BE1 303-0MY4 1.400
Stuffing box with external   sealant supply   2BE1 303-0BY3 2BE1 303-0CY3 2BE1 303-0EY3 2BE1 303-0MY3 1.400
Mechanical seal, single acting,       with internal sealant supply
 
  2BE1 303-0BY2
 
2BE1 303-0CY2
 
2BE1 303-0EY2
 
2BE1 303-0MY2
 
1.400
 
 
Inlet flange N1.0 and  discharge flange N2.0 at  the top, with drain valves
   
                     
 
 
 
 
 
 
 
             
Housing w/o partition wall
 
                       
 
 
 
 
 
 
 
             
 
Stuffing box    with internal sealant   2BE1 303-0BY4-Z
F63
2BE1 303-0CY4-Z
F63
2BE1 303-0EY4-Z
F63
2BE1 303-0MY4-Z
F63
1.400
Stuffing box with external   sealant supply   2BE1 303-0BY3-Z
F63
2BE1 303-0CY3-Z
F63
2BE1 303-0EY3-Z
F63
2BE1 303-0MY3-Z
F63
1.400
Mechanical seal, single acting,       with internal sealant supply
 
  2BE1 303-0BY2-Z
F63
 
 
2BE1 303-0CY2-Z
F63
 
 
2BE1 303-0EY2-Z
F63
 
 
2BE1 303-0MY2-Z
F63
 
 
1.400
 
Extended scope of supply       
      Order code *) /   Kurzangabe *) appr.kg
 
With mounted suction    manifold
    F  
44
 
62
Discharge flange N2.01 at the    top, with mounted suction    manifold and drain vales     F 47 62
Discharge flange N2.01 at the     top, with discharge-side    mounted liquid separator   and drain vales     F 43 110
Flange connection acc. to    ANSI B16.5     F 62  
With 2nd shaft extension for   tandem drive with 2 pumps     F 66  
With skids     F 45 43
With spray nozzles     F 41  
With cavitation proctection     F 80  
Counterclockwises rotation    with 2nd shaft end     K 98  
Increase of operating liquid     F 64  
Certified acc. to ATEX
   Category 2
   Category 1
 
Casing lined with    stainless steel
 
    F
F
 
91
93
 
 
 
 
 
F23
 
included /
enthalten
 
included /
enthalten
 
F23
 
Accessories  

 *)  Add to the vacuum pump order no. a -Z and the order code(s) as given:  e.g.:      2BE1 303-0BY3-Z
 
1) Also deliverable with medium contacted parts in stainless steel; please request.  

 

 

Recommended Drive Variations  
Direct Drive
Vacuum pump with 3-phase motor (B3), coupling with guard, mounted on a baseplate. 
 
 
 
Pump  
                                                      
Motor                                                                                                                   
Operating speed Frequency  Rated output Degree of protection  
rpm (min-1)                      
 
 Hz    kW
 
     
 
740
 
50  
 
110  
 
IP54  
710   60   106   IP54    
590   50     75   IP54    

 
 Further details on request.  

 

After-sales Service: Online Support
Warranty: 12months
Oil or Not: Oil Free
Structure: Rotary Vacuum Pump
Exhauster Method: Positive Displacement Pump
Vacuum Degree: Low Vacuum
Customization:
Available

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vacuum pump

How Are Vacuum Pumps Employed in the Production of Electronic Components?

Vacuum pumps play a crucial role in the production of electronic components. Here’s a detailed explanation:

The production of electronic components often requires controlled environments with low or no atmospheric pressure. Vacuum pumps are employed in various stages of the production process to create and maintain these vacuum conditions. Here are some key ways in which vacuum pumps are used in the production of electronic components:

1. Deposition Processes: Vacuum pumps are extensively used in deposition processes, such as physical vapor deposition (PVD) and chemical vapor deposition (CVD), which are commonly employed for thin film deposition on electronic components. These processes involve the deposition of materials onto substrates in a vacuum chamber. Vacuum pumps help create and maintain the necessary vacuum conditions required for precise and controlled deposition of the thin films.

2. Etching and Cleaning: Etching and cleaning processes are essential in the fabrication of electronic components. Vacuum pumps are used to create a vacuum environment in etching and cleaning chambers, where reactive gases or plasmas are employed to remove unwanted materials or residues from the surfaces of the components. The vacuum pumps help evacuate the chamber and ensure the efficient removal of byproducts and waste gases.

3. Drying and Bake-out: Vacuum pumps are utilized in the drying and bake-out processes of electronic components. After wet processes, such as cleaning or wet etching, components need to be dried thoroughly. Vacuum pumps help create a vacuum environment that facilitates the removal of moisture or solvents from the components, ensuring their dryness before subsequent processing steps. Additionally, vacuum bake-out is employed to remove moisture or other contaminants trapped within the components’ materials or structures, enhancing their reliability and performance.

4. Encapsulation and Packaging: Vacuum pumps are involved in the encapsulation and packaging stages of electronic component production. These processes often require the use of vacuum-sealed packaging to protect the components from environmental factors such as moisture, dust, or oxidation. Vacuum pumps assist in evacuating the packaging materials, creating a vacuum-sealed environment that helps maintain the integrity and longevity of the electronic components.

5. Testing and Quality Control: Vacuum pumps are utilized in testing and quality control processes for electronic components. Some types of testing, such as hermeticity testing, require the creation of a vacuum environment for evaluating the sealing integrity of electronic packages. Vacuum pumps help evacuate the testing chambers, ensuring accurate and reliable test results.

6. Soldering and Brazing: Vacuum pumps play a role in soldering and brazing processes for joining electronic components and assemblies. Vacuum soldering is a technique used to achieve high-quality solder joints by removing air and reducing the risk of voids, flux residuals, or oxidation. Vacuum pumps assist in evacuating the soldering chambers, creating the required vacuum conditions for precise and reliable soldering or brazing.

7. Surface Treatment: Vacuum pumps are employed in surface treatment processes for electronic components. These processes include plasma cleaning, surface activation, or surface modification techniques. Vacuum pumps help create the necessary vacuum environment where plasma or reactive gases are used to treat the component surfaces, improving adhesion, promoting bonding, or altering surface properties.

It’s important to note that different types of vacuum pumps may be used in electronic component production, depending on the specific process requirements. Commonly used vacuum pump technologies include rotary vane pumps, turbo pumps, cryogenic pumps, and dry pumps.

In summary, vacuum pumps are essential in the production of electronic components, facilitating deposition processes, etching and cleaning operations, drying and bake-out stages, encapsulation and packaging, testing and quality control, soldering and brazing, as well as surface treatment. They enable the creation and maintenance of controlled vacuum environments, ensuring precise and reliable manufacturing processes for electronic components.

vacuum pump

Can Vacuum Pumps Be Used for Leak Detection?

Yes, vacuum pumps can be used for leak detection purposes. Here’s a detailed explanation:

Leak detection is a critical task in various industries, including manufacturing, automotive, aerospace, and HVAC. It involves identifying and locating leaks in a system or component that may result in the loss of fluids, gases, or pressure. Vacuum pumps can play a significant role in leak detection processes by creating a low-pressure environment and facilitating the detection of leaks through various methods.

Here are some ways in which vacuum pumps can be used for leak detection:

1. Vacuum Decay Method: The vacuum decay method is a common technique used for leak detection. It involves creating a vacuum in a sealed system or component using a vacuum pump and monitoring the pressure change over time. If there is a leak present, the pressure will gradually increase due to the ingress of air or gas. By measuring the rate of pressure rise, the location and size of the leak can be estimated. Vacuum pumps are used to evacuate the system and establish the initial vacuum required for the test.

2. Bubble Testing: Bubble testing is a simple and visual method for detecting leaks. In this method, the component or system being tested is pressurized with a gas, and then immersed in a liquid, typically soapy water. If there is a leak, the gas escaping from the component will form bubbles in the liquid, indicating the presence and location of the leak. Vacuum pumps can be used to create a pressure differential that forces gas out of the leak, making it easier to detect the bubbles.

3. Helium Leak Detection: Helium leak detection is a highly sensitive method used to locate extremely small leaks. Helium, being a small atom, can easily penetrate small openings and leaks. In this method, the system or component is pressurized with helium gas, and a vacuum pump is used to evacuate the surrounding area. A helium leak detector is then used to sniff or scan the area for the presence of helium, indicating the location of the leak. Vacuum pumps are essential for creating the low-pressure environment required for this method and ensuring accurate detection.

4. Pressure Change Testing: Vacuum pumps can also be used in pressure change testing for leak detection. This method involves pressurizing a system or component and then isolating it from the pressure source. The pressure is monitored over time, and any significant pressure drop indicates the presence of a leak. Vacuum pumps can be used to evacuate the system after pressurization, returning it to atmospheric pressure for comparison or retesting.

5. Mass Spectrometer Leak Detection: Mass spectrometer leak detection is a highly sensitive and precise method used to identify and quantify leaks. It involves introducing a tracer gas, usually helium, into the system or component being tested. A vacuum pump is used to evacuate the surrounding area, and a mass spectrometer is employed to analyze the gas samples for the presence of the tracer gas. This method allows for accurate detection and quantification of leaks down to very low levels. Vacuum pumps are crucial for creating the necessary vacuum conditions and ensuring reliable results.

In summary, vacuum pumps can be effectively used for leak detection purposes. They facilitate various leak detection methods such as vacuum decay, bubble testing, helium leak detection, pressure change testing, and mass spectrometer leak detection. Vacuum pumps create the required low-pressure environment, assist in evacuating the system or component being tested, and enable accurate and reliable leak detection. The choice of vacuum pump depends on the specific requirements of the leak detection method and the sensitivity needed for the application.

vacuum pump

What Are the Primary Applications of Vacuum Pumps?

Vacuum pumps have a wide range of applications across various industries. Here’s a detailed explanation:

1. Industrial Processes:

Vacuum pumps play a vital role in numerous industrial processes, including:

– Vacuum Distillation: Vacuum pumps are used in distillation processes to lower the boiling points of substances, enabling separation and purification of various chemicals and compounds.

– Vacuum Drying: Vacuum pumps aid in drying processes by creating a low-pressure environment, which accelerates moisture removal from materials without excessive heat.

– Vacuum Packaging: Vacuum pumps are used in the food industry to remove air from packaging containers, prolonging the shelf life of perishable goods by reducing oxygen exposure.

– Vacuum Filtration: Filtration processes can benefit from vacuum pumps to enhance filtration rates by applying suction, facilitating faster separation of solids and liquids.

2. Laboratory and Research:

Vacuum pumps are extensively used in laboratories and research facilities for various applications:

– Vacuum Chambers: Vacuum pumps create controlled low-pressure environments within chambers for conducting experiments, testing materials, or simulating specific conditions.

– Mass Spectrometry: Mass spectrometers often utilize vacuum pumps to create the necessary vacuum conditions for ionization and analysis of samples.

– Freeze Drying: Vacuum pumps enable freeze-drying processes, where samples are frozen and then subjected to a vacuum, allowing the frozen water to sublimate directly from solid to vapor state.

– Electron Microscopy: Vacuum pumps are essential for electron microscopy techniques, providing the necessary vacuum environment for high-resolution imaging of samples.

3. Semiconductor and Electronics Industries:

High vacuum pumps are critical in the semiconductor and electronics industries for manufacturing and testing processes:

– Semiconductor Fabrication: Vacuum pumps are used in various stages of chip manufacturing, including deposition, etching, and ion implantation processes.

– Thin Film Deposition: Vacuum pumps create the required vacuum conditions for depositing thin films of materials onto substrates, as done in the production of solar panels, optical coatings, and electronic components.

– Leak Detection: Vacuum pumps are utilized in leak testing applications to detect and locate leaks in electronic components, systems, or pipelines.

4. Medical and Healthcare:

Vacuum pumps have several applications in the medical and healthcare sectors:

– Vacuum Assisted Wound Closure: Vacuum pumps are used in negative pressure wound therapy (NPWT), where they create a controlled vacuum environment to promote wound healing and removal of excess fluids.

– Laboratory Equipment: Vacuum pumps are essential in medical and scientific equipment such as vacuum ovens, freeze dryers, and centrifugal concentrators.

– Anesthesia and Medical Suction: Vacuum pumps are utilized in anesthesia machines and medical suction devices to create suction and remove fluids or gases from the patient’s body.

5. HVAC and Refrigeration:

Vacuum pumps are employed in the HVAC (Heating, Ventilation, and Air Conditioning) and refrigeration industries:

– Refrigeration and Air Conditioning Systems: Vacuum pumps are used during system installation, maintenance, and repair to evacuate moisture and air from refrigeration and air conditioning systems, ensuring efficient operation.

– Vacuum Insulation Panels: Vacuum pumps are utilized in the manufacturing of vacuum insulation panels, which offer superior insulation properties for buildings and appliances.

6. Power Generation:

Vacuum pumps play a role in power generation applications:

– Steam Condenser Systems: Vacuum pumps are used in power plants to remove non-condensable gases from steam condenser systems, improving thermal efficiency.

– Gas Capture: Vacuum pumps are utilized to capture and remove gases, such as hydrogen or helium, in nuclear power plants, research reactors, or particle accelerators.

These are just a few examples of the primary applications of vacuum pumps. The versatility and wide range of vacuum pump types make them essential in numerous industries, contributing to various manufacturing processes, research endeavors, and technological advancements.

China Professional 2be1 300 Water Ring Vacuum Pump for Chemical, Chemical Fertilizer, Paper and Pharmaceutical Industry From China   with Good quality China Professional 2be1 300 Water Ring Vacuum Pump for Chemical, Chemical Fertilizer, Paper and Pharmaceutical Industry From China   with Good quality
editor by CX 2023-12-06

China Hot selling Water Ring Vacuum Pump and Compressor for Explosive Gases with Hot selling

Product Description

 

Product Description

2BE series water ring vacuum pump and compressor, based on many years of scientific research results and production experience, combined with the international advanced technology of similar products, developed high efficiency and energy saving products, usually used for pumping no CHINAMFG particles, insoluble in water, no corrosion gas, in order to form a vacuum and pressure in a closed container. By changing the structure material, it can also be used to suck corrosive gas or to use corrosive liquid as working fluid. Widely used in papermaking, chemical, petrochemical, light industry, pharmaceutical, food, metallurgy, building materials, electrical appliances, coal washing, mineral processing, chemical fertilizer and other industries.

This series of pumps uses the CHINAMFG single action structure, has the advantages of simple structure, convenient maintenance, reliable operation, high efficiency and energy saving, and can adapt to large displacement, load impact fluctuation and other harsh conditions.
The key components, such as the distribution plate, impeller and pump shaft, have been optimized to simplify the structure, improve the performance and achieve energy saving. The welding impeller is used, the blade is pressed and formed once, and the shape line is reasonable; Hub processing, fundamentally solve the dynamic balance problem. Impeller and pump shaft are fitted with hot filling interference, reliable performance. It runs smoothly. After the impeller is welded, the whole is subjected to good heat treatment, and the blade has good toughness, so that the impact resistance and bending resistance of the blade can be fundamentally guaranteed, and it can adapt to the bad working conditions of load impact fluctuation.
2BE series pump, with air and water separator, multi-position exhaust port, pump cover is provided with exhaust valve overhaul window, impeller and distribution plate clearance through positioning bearing gland at both ends of the adjustment, easy to install and use, simple operation, easy maintenance.

Pump structure

The performance curve of this series of pumps is measured under the following working conditions: the suction medium is 20°C saturated air, the working liquid temperature is 15°C, the exhaust pressure is 1013mbar, and the deviation of soil is 10%.

Structure declaration

2BEA-10-25 Structure diagram

1.Flat key 2. Shaft 3. Oil deflector 4. Bearing cap 5. Bearings 6. Bearing bracket 7.Brasque cover
8.Brasque body 9. Brasque ring 10. Brasque 11.Valve plate 12. Valve block
13.Front distribution plate 14.Pump body 15. Impeller 16. O seal ring.
17.Back distribution plate 18. Side cover. 19. Flat key 20. Axle sleeve 21. Elastic collar
22.Water retaining ring 23. Adjusting washer 24. Rear bearing body 25. Bearing screw cap
26.Bearing 27. Bolt

 

2BEA-30-70 Structure diagram

1.Flat key 2. Shaft 3. Oil deflector 4. Front bearing retainer 5. Front bearing body
6. Front bearing inner cover 7. Front side cover 8. Brasque cover 9. Brasque body 10. Brasque ring
11. Brasque 12. Front distribution plate 13. Pump body 14. Impeller 15. O seal ring
16. Valve block 17. Valve plate 18. Back distribution plate 19. Axle sleeve 20. Flat key
21. Back side cover 22. Water retaining ring 23. Rear bearing inner cover 24. Bearing
25. Adjusting washer 26. Oil block 27. Rear bearing outer cover 28. Back bearing body
29. Oil baffle disc 30. Elastic retainer or circular spiral
 

Product Parameters

Model 2BEA SERIES
Minimum suction absolute pressure (hPa) 33-160
Suction intensity(m³/min) Absolute inhalation capacity 60hPa 3,95-336
Absolute inhalation capacity 100hPa 4.58-342
Absolute inhalation capacity 200hPa 4.87-352
Absolute inhalation capacity 400hPa 4.93-353
Max. shaft power(kw) 7-453
Motor power(kw) 11-560
Speed(rpm) 197-1750
Weight(kg) 235-11800
Size 795*375*355mm-3185*2110*2045mm

 

Model 2BEC SERIES
Minimum suction absolute pressure (hPa) 160
Suction intensity(m³/min) Absolute inhalation capacity 60hPa 63-1700
Absolute inhalation capacity 100hPa 64-1738
Absolute inhalation capacity 200hPa 65-1785
Absolute inhalation capacity 400hPa 67-1800
Absolute inhalation capacity 550hPa 68-1830
Max. shaft power(kw) 61-2100
Motor power(kw) 75-2240
Speed(rpm) 105-610
Weight(kg) 2930-57500
Size 2102*1320*1160mm-5485*3560*3400mm

Detailed Photos

Operation site

 

Company presentation

Product gallery

RFQ

Q1. What is your terms of packing? 
A: Generally, we pack our goods in neutral export wooden case . If you have legally registered patent, we can pack the goods in
wooden case with your own marks after getting your authorization letters.

Q2. What is your termsof payment? 
A: T/T 30% as deposit, and 70% before delivery. We’ll show you the photos of the products and packages before you pay the balance. 

Q3. What is your terms of delivery? 
A: EXW, FOB, CFR, CIF, etc.

Q4. How about your delivery time?
A: Generally, it will take from 10 dasys to 30 days after receiving your advance payment according to the pump’s material. The
specific delivery time also depends on the items and the quantity of your order.

Q5. Can you produce according to the samples?
A: Yes, we can produce by your samples or technical drawings. We can build the molds and fixtures. 

Q6. What is your sample policy? 
A: We can supply the sample if we have ready parts in stock, but the customers have to pay the sample cost and the courier cost.

Q7. Do you test all your goods before delivery?
A: Yes, we have 100% test the pumps before delivery .

Q8: How do you make our business long-term and good relationship? 
A. We keep good quality and competitive price to ensure our customers benefit ; 
B. We respect every customer as our friend and we sincerely do business and make friends with them, no matter where they are from.

 

After-sales Service: Online
Warranty: 1 Years
Oil or Not: Oil Free
Structure: Rotary Vacuum Pump
Exhauster Method: Kinetic Vacuum Pump
Vacuum Degree: High Vacuum
Customization:
Available

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vacuum pump

Can Vacuum Pumps Be Used in the Aerospace Sector?

Vacuum pumps indeed have various applications in the aerospace sector. Here’s a detailed explanation:

Vacuum pumps play a crucial role in several areas of the aerospace industry, supporting various processes and systems. Some of the key applications of vacuum pumps in the aerospace sector include:

1. Space Simulation Chambers: Vacuum pumps are used in space simulation chambers to replicate the low-pressure conditions experienced in outer space. These chambers are utilized for testing and validating the performance and functionality of aerospace components and systems under simulated space conditions. Vacuum pumps create and maintain the necessary vacuum environment within these chambers, allowing engineers and scientists to evaluate the behavior and response of aerospace equipment in space-like conditions.

2. Propellant Management: In space propulsion systems, vacuum pumps are employed for propellant management. They help in the transfer, circulation, and pressurization of propellants, such as liquid rocket fuels or cryogenic fluids, in both launch vehicles and spacecraft. Vacuum pumps assist in creating the required pressure differentials for propellant flow and control, ensuring efficient and reliable operation of propulsion systems.

3. Environmental Control Systems: Vacuum pumps are utilized in the environmental control systems of aircraft and spacecraft. These systems are responsible for maintaining the desired atmospheric conditions, including temperature, humidity, and cabin pressure, to ensure the comfort, safety, and well-being of crew members and passengers. Vacuum pumps are used to regulate and control the cabin pressure, facilitating the circulation of fresh air and maintaining the desired air quality within the aircraft or spacecraft.

4. Satellite Technology: Vacuum pumps find numerous applications in satellite technology. They are used in the fabrication and testing of satellite components, such as sensors, detectors, and electronic devices. Vacuum pumps help create the necessary vacuum conditions for thin film deposition, surface treatment, and testing processes, ensuring the performance and reliability of satellite equipment. Additionally, vacuum pumps are employed in satellite propulsion systems to manage propellants and provide thrust for orbital maneuvers.

5. Avionics and Instrumentation: Vacuum pumps are involved in the production and testing of avionics and instrumentation systems used in aerospace applications. They facilitate processes such as thin film deposition, vacuum encapsulation, and vacuum drying, ensuring the integrity and functionality of electronic components and circuitry. Vacuum pumps are also utilized in vacuum leak testing, where they help create a vacuum environment to detect and locate any leaks in aerospace systems and components.

6. High Altitude Testing: Vacuum pumps are used in high altitude testing facilities to simulate the low-pressure conditions encountered at high altitudes. These testing facilities are employed for evaluating the performance and functionality of aerospace equipment, such as engines, materials, and structures, under simulated high altitude conditions. Vacuum pumps create and control the required low-pressure environment, allowing engineers and researchers to assess the behavior and response of aerospace systems in high altitude scenarios.

7. Rocket Engine Testing: Vacuum pumps are crucial in rocket engine testing facilities. They are utilized to evacuate and maintain the vacuum conditions in engine test chambers or nozzles during rocket engine testing. By creating a vacuum environment, these pumps simulate the conditions experienced by rocket engines in the vacuum of space, enabling accurate testing and evaluation of engine performance, thrust levels, and efficiency.

It’s important to note that aerospace applications often require specialized vacuum pumps capable of meeting stringent requirements, such as high reliability, low outgassing, compatibility with propellants or cryogenic fluids, and resistance to extreme temperatures and pressures.

In summary, vacuum pumps are extensively used in the aerospace sector for a wide range of applications, including space simulation chambers, propellant management, environmental control systems, satellite technology, avionics and instrumentation, high altitude testing, and rocket engine testing. They contribute to the development, testing, and operation of aerospace equipment, ensuring optimal performance, reliability, and safety.

vacuum pump

Can Vacuum Pumps Be Used for Soil and Groundwater Remediation?

Vacuum pumps are indeed widely used for soil and groundwater remediation. Here’s a detailed explanation:

Soil and groundwater remediation refers to the process of removing contaminants from the soil and groundwater to restore environmental quality and protect human health. Vacuum pumps play a crucial role in various remediation techniques by facilitating the extraction and treatment of contaminated media. Some of the common applications of vacuum pumps in soil and groundwater remediation include:

1. Soil Vapor Extraction (SVE): Soil vapor extraction is a widely used remediation technique for volatile contaminants present in the subsurface. It involves the extraction of vapors from the soil by applying a vacuum to the subsurface through wells or trenches. Vacuum pumps create a pressure gradient that induces the movement of vapors towards the extraction points. The extracted vapors are then treated to remove or destroy the contaminants. Vacuum pumps play a vital role in SVE by maintaining the necessary negative pressure to enhance the volatilization and extraction of contaminants from the soil.

2. Dual-Phase Extraction (DPE): Dual-phase extraction is a remediation method used for the simultaneous extraction of both liquids (such as groundwater) and vapors (such as volatile organic compounds) from the subsurface. Vacuum pumps are utilized to create a vacuum in extraction wells or points, drawing out both the liquid and vapor phases. The extracted groundwater and vapors are then separated and treated accordingly. Vacuum pumps are essential in DPE systems for efficient and controlled extraction of both liquid and vapor-phase contaminants.

3. Groundwater Pumping and Treatment: Vacuum pumps are also employed in groundwater remediation through the process of pumping and treatment. They are used to extract contaminated groundwater from wells or recovery trenches. By creating a vacuum or negative pressure, vacuum pumps facilitate the flow of groundwater towards the extraction points. The extracted groundwater is then treated to remove or neutralize the contaminants before being discharged or re-injected into the ground. Vacuum pumps play a critical role in maintaining the required flow rates and hydraulic gradients for effective groundwater extraction and treatment.

4. Air Sparging: Air sparging is a remediation technique used to treat groundwater and soil contaminated with volatile organic compounds (VOCs). It involves the injection of air or oxygen into the subsurface to enhance the volatilization of contaminants. Vacuum pumps are utilized in air sparging systems to create a vacuum or negative pressure zone in wells or points surrounding the contaminated area. This induces the movement of air and oxygen through the soil, facilitating the release and volatilization of VOCs. Vacuum pumps are essential in air sparging by maintaining the necessary negative pressure gradient for effective contaminant removal.

5. Vacuum-Enhanced Recovery: Vacuum-enhanced recovery, also known as vacuum-enhanced extraction, is a remediation technique used to recover non-aqueous phase liquids (NAPLs) or dense non-aqueous phase liquids (DNAPLs) from the subsurface. Vacuum pumps are employed to create a vacuum or negative pressure gradient in recovery wells or trenches. This encourages the movement and extraction of NAPLs or DNAPLs towards the recovery points. Vacuum pumps facilitate the efficient recovery of these dense contaminants, which may not be easily recoverable using traditional pumping methods.

It’s important to note that different types of vacuum pumps, such as rotary vane pumps, liquid ring pumps, or air-cooled pumps, may be used in soil and groundwater remediation depending on the specific requirements of the remediation technique and the nature of the contaminants.

In summary, vacuum pumps play a vital role in various soil and groundwater remediation techniques, including soil vapor extraction, dual-phase extraction, groundwater pumping and treatment, air sparging, and vacuum-enhanced recovery. By creating and maintaining the necessary pressure differentials, vacuum pumps enable the efficient extraction, treatment, and removal of contaminants, contributing to the restoration of soil and groundwater quality.

vacuum pump

Can Vacuum Pumps Be Used in Laboratories?

Yes, vacuum pumps are extensively used in laboratories for a wide range of applications. Here’s a detailed explanation:

Vacuum pumps are essential tools in laboratory settings as they enable scientists and researchers to create and control vacuum or low-pressure environments. These controlled conditions are crucial for various scientific processes and experiments. Here are some key reasons why vacuum pumps are used in laboratories:

1. Evaporation and Distillation: Vacuum pumps are frequently used in laboratory evaporation and distillation processes. By creating a vacuum, they lower the boiling point of liquids, allowing for gentler and more controlled evaporation. This is particularly useful for heat-sensitive substances or when precise control over the evaporation process is required.

2. Filtration: Vacuum filtration is a common technique in laboratories for separating solids from liquids or gases. Vacuum pumps create suction, which helps draw the liquid or gas through the filter, leaving the solid particles behind. This method is widely used in processes such as sample preparation, microbiology, and analytical chemistry.

3. Freeze Drying: Vacuum pumps play a crucial role in freeze drying or lyophilization processes. Freeze drying involves removing moisture from a substance while it is in a frozen state, preserving its structure and properties. Vacuum pumps facilitate the sublimation of frozen water directly into vapor, resulting in the removal of moisture under low-pressure conditions.

4. Vacuum Ovens and Chambers: Vacuum pumps are used in conjunction with vacuum ovens and chambers to create controlled low-pressure environments for various applications. Vacuum ovens are used for drying heat-sensitive materials, removing solvents, or conducting reactions under reduced pressure. Vacuum chambers are utilized for testing components under simulated space or high-altitude conditions, degassing materials, or studying vacuum-related phenomena.

5. Analytical Instruments: Many laboratory analytical instruments rely on vacuum pumps to function properly. For example, mass spectrometers, electron microscopes, surface analysis equipment, and other analytical instruments often require vacuum conditions to maintain sample integrity and achieve accurate results.

6. Chemistry and Material Science: Vacuum pumps are employed in numerous chemical and material science experiments. They are used for degassing samples, creating controlled atmospheres, conducting reactions under reduced pressure, or studying gas-phase reactions. Vacuum pumps are also used in thin film deposition techniques like physical vapor deposition (PVD) and chemical vapor deposition (CVD).

7. Vacuum Systems for Experiments: In scientific research, vacuum systems are often designed and constructed for specific experiments or applications. These systems can include multiple vacuum pumps, valves, and chambers to create specialized vacuum environments tailored to the requirements of the experiment.

Overall, vacuum pumps are versatile tools that find extensive use in laboratories across various scientific disciplines. They enable researchers to control and manipulate vacuum or low-pressure conditions, facilitating a wide range of processes, experiments, and analyses. The choice of vacuum pump depends on factors such as required vacuum level, flow rate, chemical compatibility, and specific application needs.

China Hot selling Water Ring Vacuum Pump and Compressor for Explosive Gases   with Hot selling	China Hot selling Water Ring Vacuum Pump and Compressor for Explosive Gases   with Hot selling
editor by CX 2023-12-03

China manufacturer 2be4 & Npr2 Series China Pumps Liquid Water Ring Vacuum Pump with high quality

Product Description

Catalogue sheet  for 2BE4 & NPR2

                                                        Liquid Water ring Vacuum pump
  
 
 
 

Main applications

 
Usable in every branch of industry – meets the highest requirements for vacuum and filtration systems. Suitable for any rough vacuum and the conveyance of almost all process gases.
 
 

Features and benefits

 

  • Wear-free and corrosion-resistant
  • Robust and low-maintenance
  • Easy to inspect
  • Variable connections
  • Extremely quiet

 

 

 Performance curves 

 

 Performance range

 
 
 
Performance curves for inlet pressures <160 mbar       only available for 2BE4 30, 40, 50, 60.
 
The performance range are based on operating conditions with saturated  100 % relativer air at a temperature of 20 °C (68 °F), operating water at a temperature of Feuchte und 20 °C, 15 °C 15 °C (60 °F), and a discharge pressure of 1013 mbar (29.92 in Hg abs.).
Tolerance + 5 % for inlet pressure ≥ 250 mbar, acc. to PNEUROP. Toleranz + 5 % ≥ 250 mbar, PNEUROP. Calculation of individual performance curves is done acc. to individual
 Sound pressure level 
 
 

Type / Typ 2BE4 … Surface sound pressure level  and sound power level
  LpA [dB(A)] LWA [dB(A)]
30. / 32. 75 – 82 91 – 98
40. / 42. 77 – 86 94 – 103
50. / 52. 72 – 82 90 – 100
60. / 62. 76 – 91 95 – 110
67. / 72. 76 – 91 95 – 110

The noise levels are measured on bare machines in accordance with EN ISO 2151 and EN ISO 3746 (not including noise emitted from piping and auxiliary equipment). This corresponds to the normal operational state. Values refer to standard rotational speed, inlet and discharge pressures. Values that are specific to a purchase order are available depending on the scope of the order. Actual noise levels can be higher at working place due to background noise and conditions of installation.
 

Speeds and Vibrations 

 
 

Type / Typ 2BE4 … 30. / 32. 40. / 42. 50. / 52. 60. / 62. 67. 72.
Permissible speed range
 
453 – 809 294 – 612 229 – 477 194 – 405 179 – 373 164 – 341
Permissible vibrations (rigid support class)
in mm/s, RMS
< 4.5 < 4.5 < 4.5 < 4.5 < 4.5 < 4.5

 In special cases are excessive vibrations agreed CZPT and permitted. / Measurement according to ISO1571-3.
 
 

 Materials 
Part
 
Teil
 
Material of construction – Werkstoffkombination
Cast iron                                   Cast iron – Stainless steel combination                                    Stainless steel
    B K E H
    Order No. Order No. Order No. Order No.
Vacuum pump 
 
Impeller
   
Spheroidal graphite cast iron
ASTM A 536 Grade 60-40-18 3)
 
Spheroidal graphite cast iron  coated with ceramic 1)
ASTM A 536 Grade 60-40-18 3)
 
Stainless steel
ASTM A 276 316Ti 3)
 
Shaft
 
  
   
Carbon steel 
ASTM A 572 Grade 50 3)
 
Stahl 
S355J2G3 (St52-3N) / 1.571 3)  
 
Shaft bushing
 
   
2BE4:                                  Stainless steel centrifugal casting 
                                            ASTM 532 III A 25% Cr 3)
 
Stainless steel centrifugal casting 
ASTM A 351 CF-10MC 3)
 
  
   
NRP2: Coated shaft in the area of the shaft bushing 
 
—  
 
Port plate
2BE4 3.-2BE4 5.
   
Grey cast iron
ASTM A 48 Class 30 B 3)
                                                      
Stainless steel casting                                                                                              
ASTM A 351 CF-10MC 3)
Port plate
2BE4 6.-2BE4 7.
  Carbon steel 
ASTM A 283 Grade C 3)
 
Stainless steel                                                                                                           
ASTM A 276 316L 3)
 
  
   
Stahl 
S235JRG2 (RSt37-2) / 1.0038 3)
 
                                                      
 X2CrNiMo17-12-2 / 1.4404 3)
                                                      
 
Cone
   
Grey cast iron
ASTM A 48 Class 30 B 3)
 
—                                     —                                      —                                      —                                      —
 
Casing without  partition wall
 
                             
Carbon steel, Polyisoprene (NR)-coated 2)
ASTM A 283 Grade C 3) + Polyisoprene (NR)
                           
                           
Carbon steel, lined with stainless steel
ASTM A 283 Grade C 3) + ASTM A 276 316Ti 3)
                           
 
Casing with
partition wall  
   
Carbon steel, Polyisoprene (NR)-coated 2)
ASTM A 283 Grade C 3) + Polyisoprene (NR)  
                           
—                                                                —                         
(not for 
2BE4 30/32)
 
  Stahl, mit Polyisoprenauskleidung 2)
S235JR (St37-2) / 1.0037 3) + Polyisopren (NR)
 
—                                                                —
                           
 
End shield
   
Grey cast iron 
ASTM A 48 Class 30 B 3)
 
Stainless steel casting 
ASTM A 351 CF-10MC 3)
 
Packings for stuffing box
 
  
   
2BE4:                                 Cotton impregnated (pH appr. 6-8) 
                                                                            
 
NPR2:                                        PTFE,    
 
Ramie-fibre with PTFE 
 
 

 
 An exploded view and further details you can find in our catalogue sheet for 2BE4/NPR2-materials.
 

  1. For coating with ceramic valid 2 % decrease in suction capacity and special warranty conditions. Please contact our GD CZPT sales partner. Max. operating temperature 55 °C (131 °F). / 
  2. Max. operating temperature 65 °C (149 °F)
  3. Or comparable material.

 

 Materials   
Part Teil Material of construction  
(Order code) (Kurzangabe) Cast iron Cast iron – Stainless steel combination Stainless steel
    B K E H
    Order No. Order No. Order No. Order No.
Extended scope of supply  
 
Manifold
(F44/F47)  
 
 
Hosenrohr
(F44/F47) 
 
 
for/bei 2BE4 30…32:      Grey cast iron
                                           ASTM A 48 Class 30 B 1)
 
 
Stainless steel
ASTM A276 316Ti 1)
 
 
 
 
 
 
 
 
 
 
 
                                            Gusseisen mit Lamellengraphit
                                        EN-GJL-200/EN-JL1030 (GG-20 / 0.6571) 1)
 
for/bei 2BE4 40…72:      Carbon steel 
                                           ASTM A283 Grade C 1)
 
                                           Stahl  
                                              S235JRG1+CR / 1.0036 (UST37-2
Edelstahl
X6CrNiMoTi17-12-2 / 1.4571 1)
 
 
 
  
 
Separator (F43)
 
 
Abscheider  (F43)
 
 
Carbon steel
ASTM A283 Grade C 1)
 
 
Stainless steel
ASTM A276 316Ti 1)
 
      Stahl  
S235JRG1+CR / 1.0036 (UST37-2) 1)  
Edelstahl
X6CrNiMoTi17-12-2 / 1.4571 1)  
 
(only for 2BE4)
 
 
(nur bei 2BE4)
 
 
Stahl
S235JRG1+CR / 1.0036 (UST37-2) 1)
 
 
Edelstahl
X6CrNiMoTi17-12-2 / 1.4571 1)
 

 
 1) Or comparable material.
 
 
 

 

Model numbers and order information   
Scope of supply
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
(Details on page
Cast iron
B
Order No.
Material of construction –
Cast iron – Stainless steel combinations
K                       E
Order No.            Order No.
Bestell-Nr.            Bestell-Nr.
Stainless steel
H
Order No.
Vacuum pump, basic design     
Inlet flange N 1.0 at the top,      discharge flange N 2.0 at the side. 
Flanges acc. to DIN EN 
1092-2
  
 
 
 
 
 
 
 
 
   

               NPR2

 
 
 
 
 
 
 
 
 
 
 
 
 
Shaft sealing
 
   
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Stuffing box 
with internal sealant 1)
 
   
 
2BE4 …-2BY4
NPR2 …-2BY4
 
2BE4 …-2KY4

 
2BE4 …-2EY4

 


 
 
Stuffing box with external sealant supply
 
   
 
 
 
2BE4 …-2BY3
NPR2 …-2BY3
 
 
2BE4 …-2KY3

 
 
2BE4 …-2EY3

 
 
2BE4 …-2HY3

 
 
Mechanical seal, single acting, with external sealant supply 
   
              Burgmann 
 
              Crane
 
 
2BE4 …-2BY5 or / oder 
2BE4 …-2BY7
 
2BE4 …-2KY5
or / oder 
2BE4 …-2KY7
 
2BE4 …-2EY5 or / oder 
2BE4 …-2EY7
 
2BE4 …-2HY5 or / oder 
2BE4 …-2HY7
 
 
           
 
 NPR2  o.r. / a.A.
 
—  —  — 
 
Mechanical seal,
double acting
 
   
 
 
 
o.r. / a.A.
 
 
o.r. / a.A.
 
 
o.r. / a.A.
 
 
o.r. / a.A.
 
 
 
Casing 
 
   
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
without partition wall     2BE4 ..0-…. NPR2 ..0-…. 2BE4 ..0-….
2BE4 ..0-….
2BE4 ..0-….
 
with partition wall 2)
 
   
 
 
 
2BE4 ..6-….
NPR2  .6-….
 
 
2BE4 ..6-….

 
 
o.r./a.A.

 
 
o.r./a.A.

 

 
 
 

 Footnotes to page 6,7 and 8
 

  1. Impregnating stuffing box with automatic lubrication  
  2. Design “with partition wall” for 2BE4 30/32 on request
  3. Check, if partial drain flange (F68) is necessary (increasing of operation security)
  4. F23 only for: 2BE4 ..0 -2B.. and 0-2K..;  already included in 2BE4 ..0-2E.. and 0-2H..
  5. Lined with Polyisoprene (F27) is only deliverable with stuffing box with external sealant supply. Max. operating temperature 55 °C (131 °F). Gauge connection N8.7 not available. 
  6. F26: Max. operating temperature 55 °C (131 °F)
Extended scope of supply
Scope of supply
 
   
 
Material of construction pump
(Details on page 4+5 
Cast iron            Cast iron – Stainless steel    Stainless steel combinations
      B K E H
      Order code *) Order code *) Order code *) Order code *)
 
Inlet flange N 1.0 and                
discharge flange N 2.01  at the top:
 
– without partial drain flange
 
     
 
 
F65
 
 
 
 
F65
 
 
 
 
F65
 
 
 
 
F65
 
– with partial drain flange acc. to 
  DIN EN 1092-1
 
 
Discharge flange N2.01 at the top, with mounted
separator 3)                      
 
Discharge flange N2.01  at the top, with mounted
manifold 3)                      
 
Discharge flange N2.0 lateral, with mounted manifold suction- side  
   
 
  
 
F68
 
 
F43 
 
F47
 
F44
 
F68
 
 
F43 
 
F47
 
F44
 
F68
 
 
F43
 
F47
 
F44
 
F68
 
 
F43
 
F47
 
F44
 
 
Casing lined 
with stainless steel 4)
 
End shields in grey cast iron lined with Polyisoprene (NR) 5)
 
End shields in grey cast iron with partially ceramic coating
(erosion protection) 6)
   
 
 
 

 

 
F23
 
F27
 
F26  
 
F23
 
F27
 
   F26  
 
 —
 
F27
 
F26  
 
 —
 
 
 
F26  
 
Operating liquid self-priming
(operation and test)
 
Flange connection acc. to
ANSI B16.5
 
Increase of operating liquid
 
Second shaft extension for tandem drive 
 
Counterclockwise rotation

  • single shaft 
  • with 2nd shaft end

 
Certified acc. to ATEX
   Category 2
 

   
 
 
 
 
 
 
 
 
 
 
 
 
 
F74
 
F62
 
F64
 
F66
 
 
F69 
K98
 
 
F91
 
 
F74
 
F62
 
F64
 
F66
 
 
F69 
K98
 
 
F91
 
 
F74
 
F62
 
F64
 
F66
 
 
F69 
K98
 
 
F91
 
 
F74
 
F62
 
F64
 
F66
 
 
F69 
K98
 
 
F91
 

Footnotes see page 6 / Fußnoten siehe Seite 6.  
 

Extended scope of supply   
Scope of supply
 
   
 
Material of construction pump
(Details on page 4+5  – 
Cast iron     Cast iron – Stainless steel Stainless steel combinations
      B K E H
      Order code *) Order code *) Order code *) Order code *)
for  NPR2  
Flange connection acc. to  ANSI B16.5          
 
 
F62
 
 —
 
 —
 
 —
 
Discharge at bottom
 
   
 
 
F75
 
 
 —
 
 
 —
 
 
 —
 
Sole plates: – U-beam      F45  —  —  —
                     – flat
 
   
 
P45
 
 —   —   — 
Spray nozzle:
Diameter,  material and norm please add in plain text
    P40 
+ Plain text
+ Klartext
 —  —  —
 
Spray nozzle with piping
(shipped separately)
   
 
 
P41
 
 —
 
 —
 
 —
 
Casing (lobe) purge internal 
 
   
 
 
 
P60
 
 
 —
 
 
 —
 
 
 —
 
Separator
 
   
 
o.r. / a.A.
 
 —   —   — 

Footnotes see page 6 /
 

 

Further technical data   
Weights  •  
Vacuum Pump    Extended scope of supply                      
w/o. partition wall
 
with partition wall
 
       F23              F43             F44              F47              F66             F68 K98
Type appr. / ca. t Type appr. / ca. t appr. / ca. kg  
NPR2 620 15.5 NPR2 626 15.6
2BE4 720 14.2 2BE4 726 14.3 205 780 610 610 98 5.2 98
2BE4 670 11.4 2BE4 676 11.5 170 620 520 520 98 5.2 98
2BE4 620  9.1 2BE4 626   9.2 145 580 450 450 67 5.2 67
2BE4 600  8.2 2BE4 606   8.3 120 540 410 410 67 5.2 67
2BE4 520  6.0 2BE4 526   6.0 105 440 280 280 54 5.2 54
2BE4 500  5.5 2BE4 506   5.5 80 410 260 260 54 5.2 54
2BE4 420  3.4 2BE4 426   3.4 65 250 200 200 30 5.2 30
2BE4 400  2.9 2BE4 406  3.0 45 230 180 180 30 5.2 30
2BE4 320  2.0   40 160 91 91 16 5.2 16
2BE4 300  1.6   30 160 80 80 16 5.2 16

                                                                                         
 

Operating liquid rates              
Operating liquid rates (water) for various inlet pressures (1 m³/h = 4.4 US gpm) :                
Type                    mbar:             160         180        200        250         300        350 400 450 550 600 650 700 800
NPR2 62 m³/h: 43.2 43.2 43.2 43.2 43.2 43.2 22.7 22.7 22.7 22.7 22.7
2BE4 72 m³/h: 40.6 41.4 41.9 42.7 42.3 41.4 39.6 37.2 34.7 31.8 28.8 23.3 19.2
2BE4 67 m³/h: 33.9 34.5 35.0 35.7 35.3 34.5 33.1 31.1 29.0 26.5 24.1 19.5 16.0
2BE4 62 m³/h: 28.8 29.4 29.8 30.4 30.1 29.4 28.1 26.5 24.6 22.6 20.5 16.6 13.6
2BE4 60 m³/h: 23.9 24.3 24.6 25.4 25.4 24.2 23.0 21.5 20.1 18.4 16.9 13.7 10.9
2BE4 52 m³/h: 20.7 21.1 21.4 21.8 21.6 21.1 20.2 19.0 17.7 16.2 14.7 11.9 9.8
2BE4 50 m³/h: 17.0 17.4 17.6 18.3 18.3 17.2 16.6 15.4 14.4 13.2 12.1 9.9 7.8
2BE4 42 m³/h: 11.5 12.0 12.3 12.9 13.1 12.9 12.4 11.7 10.9 9.9 8.9 7.1 5.9
2BE4 40 m³/h: 9.0 9.2 9.5 9.9 9.9 9.5 9.0 8.7 7.9 7.5 6.6 5.3 4.2
2BE4 32 m³/h: 7.2 7.3 7.4 7.6 7.5 7.3 7.0 6.6 6.2 5.6 5.1 4.1 3.4
2BE4 30 m³/h: 5.1 5.3 5.3 5.5 5.6 5.3 5.1 4.9 4.4 4.2 3.7 3.0 2.4

 
 Tolerance + 20 %
 
 

Accessories     
Scope of supply   for type  Material of construction – Weight
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Cast iron Cast iron – Stainless steel -Stainless steel combinations

B K, E                                                      H
Order No. Order No. Order No.

appr.

kg

for  2BE4    
Check valve for N 1.1 incl. mounting set 1)    
 
     
  • in sheet steel/stainless steel
  • in chrome-nickel steel

 
 
 
 

  2BE4 30…32 2BY6 920-1BX08

2BY6 920-1HX08
37
37
2BE4 40…42 2BY6 930-1BX08

2BY6 930-1HX08
56 56
2BE4 50…52 2BY6 935-1BX08

2BY6 935-1HX08
107 107
2BE4 60…62 2BY6 940-1BX08

2BY6 940-1HX08
134 134
2BE4 67…72 2BY6 950-1BX08

2BY6 950-1HX08
o.r./
a.A.
 
Pressure indicator for  measuring of inlet pressure  for gas or operating liquid  (range -1 to +0.6 bar below  or above atmos. pressure)           
   
2BE4 …
 
 
2BX9 012-1HD20
 
 
1
 
 
Foundation blocks (DIN 799-1), incl.  machine screws 
(DIN EN 4017)
1 set = 4 pieces
   
 
 
 
 
 
– M30x280, incl. M20x60   2BE4 30…32 2BX9 008-2 28
– M36x340, incl. M36x90   2BE4 40…52 2BX9 003-1 50
– M42x425, incl. M42x120 
 
  2BE4 60…72
 
2BX9 004-2
 
86
 
for NPR2    
on request     NPR2 62   o.r. / a.A.          
 
                 

 
 1) Attention: reducer needed, take notice of pressure drop.
    

2BE4includes 2B44 30/32, 2BE440/42, 2BE450/52,2BE460/62, 2BE467/72.  They have different connection size. Below lists the size for 2BE4 40/42 for your reference.

2BE4 40./42. -2

 

 

 Type
 
      A            B
  inches / mm
C   D E F
 2BE4 40.     82.8        46.0 43.4   51.7 92.9 46.4
  2102

94.1
    2391       1458

1392  

1169

 

1103

 

1314

 

2359

 

1179

 

57.4

 

54.8

 

63.1

 

104.3

 

52.1

 

1603

2648 1323
 2BE4 42
 
 

Connection      a         b c e
Anschluss   inches / mm    
DIN    59.8     69.3 39.9 11.2
  1520

63.0
1600       1840

1760

 

1014

 

284

 

72.4

 

41.3

 

12.5

 

1048

318
ANSI
 

 
 

Connec-     suitable for DIN EN 1092-2  (mm)   suitable for ANSI B16.5 150 lbs  (inches)  
Anschluss       DN d2 d4 D k z R1 DN d2 d4 D k z
N1.0/ 1.01 Inlet flange   PN10 250 22 320 395 350 12 10 1 12 ¾ 16 14 ¼ 12
N1.1 Flange manifold   PN10 300 22 370 445 400 12 12 1 15 19 17 12
N2.0/ 2.01 Discharge flange   PN10 250 22 320 395 350 12 10 1 12 ¾ 16 14 ¼ 12
N2.2 Flange liquid separator   PN10 300 22 370 445 400 12 12 1 15 19 17 12
N3.0 Connection for  operating liquid   PN16 50 M16 102 125 4 2 3/8* 2
N3.2 Connection for sealing  liquid to stuffing boxes  (external supply only)   Rp ¼             Rp ¼            
N4.0 Drain liquid separator   PN10 150 22 212 285 240 8 6 7/8 8 ½ 11 9 ½ 8
N4.2 Flush and drain openings   PN16 50 M16 102 125 4 2 3/8* 2
N4.3 Connection for leakage liquid   Rp ¾             Rp ¾            
N4.41 Optional connection for internal liquid supply of the shaft seal   Rp ½             Rp ½            
N4.6 Screw plugs for total drain   Rp ½             Rp ½            
N8.7 **) Screw plugs for gauge  connection   Rp ½             Rp ½            

 

 

 NPR2 620

 

 

Connec-     suitable for DIN EN 1092-2  (mm)       suitable for ANSI B16.5 150 lbs  (inches)    
Anschluss                DN d2 d4 D k t z1 z2 R1 DN d2       d4      D      k       t z1 z2
N1.0 Inlet flange   PN10 400 26 482 596 515 38 10 6 16 1 1/8  18 ½ 23 ½ 21 ¼ 1 ½ 10 6
N2.0 Discharge flange   PN10 350 22 430 534 460 38 10 6 14 1 1/8  16 ¼   21 18 ¾ 1 ½ 8 4
N2.01 Discharge flange   PN10 350 22 430 534 460 38 7 9 14 1 1/8 16 ¼     21 18 ¾ 1 ½ 6 6
N3.0 Connection for  operating liquid   Rp 3                       Rp 3                                
N3.2 Connection for  sealing liquid to  stuffing boxes  (external supply only)   Rp 3/8                     Rp 3/8                               
N3.9 Connection for  spray nozzle   Rp 2                       Rp 2                               
N4.3 Connection for  leakage liquid   Rp 1                       Rp 1                               
N4.61
 
Screw plugs for  total drain   Rp ¾                      Rp ¾                               
N4.62 Screw plugs for total drain   Rp 2                       Rp 2                               
N8.6 Screw plugs for  casing inspection   Rp ½                      Rp ½                               
N8.7 Screw plugs for  gauge connection   Rp ¾                      Rp ¾                               
N8.8 Screw plugs for lobe purge   Rp ¾                                             Rp ¾                                                    

 
 

 

After-sales Service: Online Support
Warranty: 12months
Oil or Not: Oil Free
Structure: Rotary Vacuum Pump
Exhauster Method: Positive Displacement Pump
Vacuum Degree: Low Vacuum
Customization:
Available

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Vacuum Pump

Types of vacuum pumps

A vacuum pump is a device that draws gas molecules from a sealed volume and leaves a partial vacuum in its wake. Its job is to create a relative vacuum within a specific volume or volume. There are many types of vacuum pumps, including centrifugal, screw and diaphragm.

Forward centrifugal pump

Positive displacement centrifugal vacuum pumps are one of the most commonly used pump types in the oil and gas industry. Their efficiency is limited to a range of materials and can handle relatively high solids concentrations. However, using these pumps has some advantages over other types of pumps.
Positive displacement pumps have an enlarged cavity on the suction side and a reduced cavity on the discharge side. This makes them ideal for applications involving high viscosity fluids and high pressures. Their design makes it possible to precisely measure and control the amount of liquid pumped. Positive displacement pumps are also ideal for applications requiring precise metering.
Positive displacement pumps are superior to centrifugal pumps in several ways. They can handle higher viscosity materials than centrifuges. These pumps also operate at lower speeds than centrifugal pumps, which makes them more suitable for certain applications. Positive displacement pumps are also less prone to wear.
Positive displacement vacuum pumps operate by drawing fluid into a chamber and expanding it to a larger volume, then venting it to the atmosphere. This process happens several times per second. When maximum expansion is reached, the intake valve closes, the exhaust valve opens, and fluid is ejected. Positive displacement vacuum pumps are highly efficient and commonly used in many industries.

Self-priming centrifugal pump

Self-priming centrifugal pumps are designed with a water reservoir to help remove air from the pump. This water is then recirculated throughout the pump, allowing the pump to run without air. The water reservoir can be located above or in front of the impeller. The pump can then reserve water for the initial start.
The casing of the pump contains an increasingly larger channel forming a cavity retainer and semi-double volute. When water enters the pump through channel A, it flows back to the impeller through channels B-C. When the pump is started a second time, the water in the pump body will be recirculated back through the impeller. This recycling process happens automatically.
These pumps are available in a variety of models and materials. They feature special stainless steel castings that are corrosion and wear-resistant. They can be used in high-pressure applications and their design eliminates the need for inlet check valves and intermediate valves. They can also be equipped with long intake pipes, which do not require activation.
Self-priming centrifugal pumps are designed to run on their own, but there are some limitations. They cannot operate without a liquid source. A foot valve or external liquid source can help you start the self-priming pump.

Screw Pump

The mechanical and thermal characteristics of a screw vacuum pump are critical to its operation. They feature a small gap between the rotor and stator to minimize backflow and thermal growth. Temperature is a key factor in their performance, so they have an internal cooling system that uses water that circulates through the pump’s stator channels. The pump is equipped with a thermostatically controlled valve to regulate the water flow. Also includes a thermostatic switch for thermal control.
Screw vacuum pumps work by trapping gas in the space between the rotor and the housing. The gas is then moved to the exhaust port, where it is expelled at atmospheric pressure. The tapered discharge end of the screw further reduces the volume of gas trapped in the chamber. These two factors allow the pump to work efficiently and safely.
Screw vacuum pumps are designed for a variety of applications. In some applications, the pump needs to operate at very low pressures, such as when pumping large volumes of air. For this application, the SCREWLINE SP pump is ideal. Their low discharge temperature and direct pumping path ensure industrial process uptime. These pumps also feature non-contact shaft seals to reduce mechanical wear. Additionally, they feature a special cantilever bearing arrangement to eliminate potential sources of bearing failure and lubrication contamination.
Screw vacuum pumps use an air-cooled screw to generate a vacuum. They are compact, and clean, and have a remote monitoring system with built-in intelligence. By using the app, users can monitor pump performance remotely.
Vacuum Pump

Diaphragm Pump

Diaphragm vacuum pumps are one of the most common types of vacuum pumps found in laboratories and manufacturing facilities. The diaphragm is an elastomeric membrane held in place around the outer diameter. While it is not possible to seal a diaphragm vacuum pump, there are ways to alleviate the problems associated with this design.
Diaphragm vacuum pumps are versatile and can be used in a variety of clean vacuum applications. These pumps are commercially available with a built-in valve system, but they can also be modified to include one. Because diaphragm pumps are so versatile, it’s important to choose the right type for the job. Understanding how pumps work will help you match the right pump to the right application.
Diaphragm vacuum pumps offer a wide range of advantages, including an extremely long service life. Most diaphragm pumps can last up to ten thousand hours. However, they may be inefficient for processes that require deep vacuum, in which case alternative technologies may be required. Additionally, due to the physics of diaphragm pumps, the size of these pumps may be limited. Also, they are not suitable for high-speed pumping.
Diaphragm vacuum pumps are a versatile subset of laboratory pumps. They are popular for their oil-free construction and low maintenance operation. They are available in a variety of styles and have many optional features. In addition to low maintenance operation, they are chemically resistant and can be used with a variety of sample types. However, diaphragm pumps tend to have lower displacements than other vacuum pumps.

Atmospheric pressure is a key factor in a vacuum pump system

Atmospheric pressure is the pressure created by the collision of air molecules. The more they collide, the greater the pressure. This applies to pure gases and mixtures. When you measure atmospheric pressure, the pressure gauge reads about 14.7 psia. The higher the pressure, the greater the force on the gas molecules.
The gas entering the vacuum pump system is below atmospheric pressure and may contain entrained liquids. The mechanism of this process can be explained by molecular kinetic energy theory. The theory assumes that gas molecules in the atmosphere have high velocities. The resulting gas molecules will then start moving in random directions, colliding with each other and creating pressure on the walls of the vacuum vessel.
Atmospheric pressure is a critical factor in a vacuum pump system. A vacuum pump system is useless without proper atmospheric pressure measurement. The pressure in the atmosphere is the total pressure of all gases, including nitrogen and oxygen. Using total pressure instead of partial pressure can cause problems. The thermal conductivity of various gases varies widely, so working at full pressure can be dangerous.
When choosing a vacuum pump, consider its operating range. Some pumps operate at low atmospheric pressure, while others are designed to operate at high or ultra-high pressure. Different types of pumps employ different technologies that enhance their unique advantages.
Vacuum Pump

The screw pump is less efficient in pumping gases with smaller molecular weight

Vacuuming requires a high-quality pump. This type of pump must be able to pump gas of high purity and very low pressure. Screw pumps can be used in laboratory applications and are more efficient when pumping small molecular weight gases. Chemical resistance is critical to pump life. Chemical resistant materials are also available. Chemically resistant wetted materials minimize wear.
Gear pumps are more efficient than screw pumps, but are less efficient when pumping lower molecular weight gases. Gear pumps also require a larger motor to achieve the same pumping capacity. Compared to gear pumps, progressive cavity pumps also have lower noise levels and longer service life. In addition, gear pumps have a large footprint and are not suitable for tight spaces.
Progressive cavity pumps have two or three screws and a housing and side cover. They are also equipped with gears and bearings. Their mechanical design allows them to operate in high pressure environments with extremely low noise. The progressive cavity pump is a versatile pump that can be used in a variety of applications.
Dry screw compressors have different aspect ratios and can operate at high and low pressures. The maximum allowable differential pressure for screw compressors ranges from 0.4 MPa for 3/5 rotors to 1.5 MPa for 4/6 rotors. These numbers need to be determined on a case-by-case basis.

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editor by CX 2023-04-26