China factory Vacuum Pumps Power Sprayer Water Pump From CHINAMFG vacuum pump oil near me

Product Description

Product Datails

PURITY Product Range


Our Company

    CHINAMFG Co., Ltd. is a specialized manufacturer and supplier of  the high-quality
industrial pumps, exporting to global market in competitive prices. Our main products
are centrifugal pumps, fire pumps, inline pumps and multistage jockey pumps.

    Purity Pump was found in 1998, headquartered in Daxi, HangZhou (ZHangZhoug,  China),
equipped with professional lathe, punching machine, water testing apparatus,  spray-
painting plant, etc. Purity has over 200 employees, around 10% of whom are engaged
in research and development.

    Purity consists of R&D institute, main factory, machinery workshop, rotor workshop
showroom in HangZhou city, and 1 branch in ZheJiang .Our products and service have
been deployed in more than 60 countries. And we supply water pumps for many  large
projects  like National Olympic Stadium. We also supply centrifugal and fire pumps  to
some CHINAMFG pump companies all over the world.
    Aimed to “Life From Purity”, with the tenet of  ‘innovation,  high  quality,  customer
satisfaction”, we are striving for the top-ranking brand of industrial pumps.


1. Q: What is your payment terms?
    A: 30%T/T, L/C,West Union, Ali-Pay.etc.
2. Q: What is your MOQ for sample?
    A: 1pc or any of your required quantity, the more quantity you order, the best price you’ll get.
3. Q: Are you Trader or Manufacturer?
    A: 100% Manufacturer,welcome to visit our factory and establish business partnership with us.
4. Q: Do u have your own designers and engineers?
    A: Yes, we have.
5. Q: How long is your warranty?
    A: 2 years after purchasing our pump.

Why Choose Us?

1. Exported to more than 60 countries.
2. More than 90% customers make payment before meeting us.
3. Re-order rate up tp 80%
4. Focus on middle~high-end market, we never CHINAMFG market by using inferior material.
5. With professional engineers research.


PURITY Pump Products

Industrial pump Centrifugal Pump Fire pump Fire pump system
Industry pump Centrifugal Pumps fire fighting pumps fire pump set
electric motor pump Centrifugal water pump fire pumps Fire fighting Pump set
horizontal pump Standard Centrifugal Pump fire fighting pump Fire fighting Pump system
bare shaft pump Monoblock Centrifugal Pump fire fighting water pump fire fighting system
close-coupled pump Centrifugal Monoblock Pump fire hydrant pump fire fighting equipment
suction pumps Centrifugal surface pump fire sprinkler pump fire pump and jockey
surface pump horizontal centrifugal pumps fire fighting engine pump fire electric pump
monoblock pump pumps centrifugal diesel engine fire pump jockey and electric pump
end suction pump End suction water pump fire engine water pump fire pump set with electric
SS end suction pump End suction Centrifugal Pump electric fire pump fire pump set fighting
suction water pump close coupled centrifugal pump fire fighting pumps electric Fire fighting Pump group
horizontal inline pump Industrial centrifugal pump fire water pump fire system water pump
vertical inline pump centrifugal horizontal pump centrifugal fire pump fire pump group
inline circulation pump SS centrifugal pump fire pump engine diesel fire fighting pumps
vertical multistage pump stainless centrifugal pump end suction fire pump diesel fire pump set
Split case pump    self-priming centrifugal pump fire fighting electric pump diesel set pump fire
double suction pump horizontal centrifugal pump diesel fire pump jockey fire pump
Split case pump horizontal inline centrifugal pump fire pump diesel fire jockey pump
Sewage pump water centrifugal pump diesel driven fire pump Split case fire pump
sewage water pump Vertical centrifugal pump jockey pump Double Suction fire pump
submersible sewage pump Split case centrifugal pump   multistage jockey pump fire horizontal pump

Max.Head: >150m
Max.Capacity: >400 L/min
Driving Type: Diesel
Material: Cast Iron
Structure: Single-stage Pump
Power: Diesel


vacuum pump

Can Vacuum Pumps Be Used for Vacuum Furnaces?

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

Vacuum furnaces are specialized heating systems used in various industries for heat treatment processes that require controlled environments with low or no atmospheric pressure. Vacuum pumps play a crucial role in creating and maintaining the vacuum conditions necessary for the operation of vacuum furnaces.

Here are some key points regarding the use of vacuum pumps in vacuum furnaces:

1. Vacuum Creation: Vacuum pumps are used to evacuate the furnace chamber, creating a low-pressure or near-vacuum environment. This is essential for the heat treatment processes carried out in the furnace, as it helps eliminate oxygen and other reactive gases, preventing oxidation or unwanted chemical reactions with the heated materials.

2. Pressure Control: Vacuum pumps provide the means to control and maintain the desired pressure levels within the furnace chamber during the heat treatment process. Precise pressure control is necessary to achieve the desired metallurgical and material property changes during processes such as annealing, brazing, sintering, and hardening.

3. Contamination Prevention: By removing gases and impurities from the furnace chamber, vacuum pumps help prevent contamination of the heated materials. This is particularly important in applications where cleanliness and purity of the processed materials are critical, such as in the aerospace, automotive, and medical industries.

4. Rapid Cooling: Some vacuum furnace systems incorporate rapid cooling capabilities, known as quenching. Vacuum pumps assist in facilitating the rapid cooling process by removing the heat generated during quenching, ensuring efficient cooling and minimizing distortion or other unwanted effects on the treated materials.

5. Process Flexibility: Vacuum pumps provide flexibility in the type of heat treatment processes that can be performed in vacuum furnaces. Different heat treatment techniques, such as vacuum annealing, vacuum brazing, or vacuum carburizing, require specific pressure levels and atmospheric conditions that can be achieved and maintained with the use of vacuum pumps.

6. Vacuum Pump Types: Different types of vacuum pumps can be used in vacuum furnaces, depending on the specific requirements of the heat treatment process. Commonly used vacuum pump technologies include oil-sealed rotary vane pumps, dry screw pumps, diffusion pumps, and cryogenic pumps. The choice of vacuum pump depends on factors such as required vacuum level, pumping speed, reliability, and compatibility with the process gases.

7. Maintenance and Monitoring: Proper maintenance and monitoring of vacuum pumps are essential to ensure their optimal performance and reliability. Regular inspections, lubrication, and replacement of consumables (such as oil or filters) are necessary to maintain the efficiency and longevity of the vacuum pump system.

8. Safety Considerations: Operating vacuum furnaces with vacuum pumps requires adherence to safety protocols. This includes proper handling of potentially hazardous gases or chemicals used in the heat treatment processes, as well as following safety guidelines for operating and maintaining the vacuum pump system.

Overall, vacuum pumps are integral components of vacuum furnaces, enabling the creation and maintenance of the required vacuum conditions for precise and controlled heat treatment processes. They contribute to the quality, consistency, and efficiency of the heat treatment operations performed in vacuum furnaces across a wide range of industries.

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

What Is the Purpose of a Vacuum Pump in an HVAC System?

In an HVAC (Heating, Ventilation, and Air Conditioning) system, a vacuum pump serves a crucial purpose. Here’s a detailed explanation:

The purpose of a vacuum pump in an HVAC system is to remove air and moisture from the refrigerant lines and the system itself. HVAC systems, particularly those that rely on refrigeration, operate under specific pressure and temperature conditions to facilitate the transfer of heat. To ensure optimal performance and efficiency, it is essential to evacuate any non-condensable gases, air, and moisture from the system.

Here are the key reasons why a vacuum pump is used in an HVAC system:

1. Removing Moisture: Moisture can be present within an HVAC system due to various factors, such as system installation, leaks, or improper maintenance. When moisture combines with the refrigerant, it can cause issues like ice formation, reduced system efficiency, and potential damage to system components. A vacuum pump helps remove moisture by creating a low-pressure environment, which causes the moisture to boil and turn into vapor, effectively evacuating it from the system.

2. Eliminating Air and Non-Condensable Gases: Air and non-condensable gases, such as nitrogen or oxygen, can enter an HVAC system during installation, repair, or through leaks. These gases can hinder the refrigeration process, affect heat transfer, and decrease system performance. By using a vacuum pump, technicians can evacuate the air and non-condensable gases, ensuring that the system operates with the designed refrigerant and pressure levels.

3. Preparing for Refrigerant Charging: Prior to charging the HVAC system with refrigerant, it is crucial to create a vacuum to remove any contaminants and ensure the system is clean and ready for optimal refrigerant circulation. By evacuating the system with a vacuum pump, technicians ensure that the refrigerant enters a clean and controlled environment, reducing the risk of system malfunctions and improving overall efficiency.

4. Leak Detection: Vacuum pumps are also used in HVAC systems for leak detection purposes. After evacuating the system, technicians can monitor the pressure to check if it holds steady. A significant drop in pressure indicates the presence of leaks, enabling technicians to identify and repair them before charging the system with refrigerant.

In summary, a vacuum pump plays a vital role in an HVAC system by removing moisture, eliminating air and non-condensable gases, preparing the system for refrigerant charging, and aiding in leak detection. These functions help ensure optimal system performance, energy efficiency, and longevity, while also reducing the risk of system malfunctions and damage.

China factory Vacuum Pumps Power Sprayer Water Pump From CHINAMFG   vacuum pump oil near me		China factory Vacuum Pumps Power Sprayer Water Pump From CHINAMFG   vacuum pump oil near me
editor by CX 2023-11-08