China Hot selling Single-Stage Water Ring Vacuum Pump with Exceptional Efficiency and Low Maintenance for Industrial Use vacuum pump oil

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

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


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


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.

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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


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

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 Hot selling Single-Stage Water Ring Vacuum Pump with Exceptional Efficiency and Low Maintenance for Industrial Use   vacuum pump oil	China Hot selling Single-Stage Water Ring Vacuum Pump with Exceptional Efficiency and Low Maintenance for Industrial Use   vacuum pump oil
editor by CX 2024-04-13


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