China factory Electr High Vacuum Suction Lobe Pumps with Low Noise with Good quality

Product Description

Electr high vacuum suction lobe pumps with low noise

BONVE is Chinese leading manufacturer of Electr high vacuum suction lobe pumps with low noise. Providing its customers with customized pumping solutions and solving their problems during the production. We design, R&D and produce. When you choose a CHINAMFG pump, you not only get the high quality pumps, but you also get the advantage of Bonve’s engineering expertise and years of application knowledge in the food, chemical, pharmaceutical, cosmetics industries etc.

Product Description

Bonve high vacuum suction lobe pumps are designed based on the exploration of more than 3,000 fluids in various industries. They are particularly pumping for high viscosity, high solids, sanitary and corrosive fluids. The pumps are widely used and have long service life benefits from the below features.

1. Interchangeable rotors, multi connection type and installation type, fit for various applications.
2. Targeted seal for specific application, ensure a reliable sealing.
3. Compact structure, easy assembling and disassembling.
4. Maintenance in place (above the models of 80BV), easy cleaning, CIPable and SIPable.
5. Few wearing parts, low maintenance.
6. All main parts proceed by CNC, high precision fabrication.
7. No contact between the rotors, rotors and pump chamber.
8. Multi bearings with separate arrangement, high pressure resistance. 
9. Axis key synchronous adjustment, no rotor collision problem.
10. The flow can be controlled at will by frequnecy inverter.
11. Capable to pump the viscous medium from 1cp to 2million cps.  
12. Capable of pumping mixture of gas, fluid and solid medium.

Working principle

Bonve lobe pumps basically consist of 2 lobe rotors, which rotate synchronously driven by a pair of synchronous gears in the gearbox. The rotors are driven by the main shaft and sub-shaft to rotate in a synchronous reverse direction, which changes the pump capacity, builds up high vacuum and discharge pressure, thus an efficient pumping is formed. Gap is kept between the rotors and between the pump casing, no friction, long life, no damage, no physical and chemical reaction to the pumped products.



Detailed Photos

Bare shaft pumps with different rotors

Complete unit pumps

Product Parameters


Model Displacement RPM Flow Dis. Pre. Power Suc. Pre. Port size
  (L/r) (r/min) (M³/h) (Mpa) (Kw) (Mpa) Std. (mm) Enlar. (mm)
40BV12-2 0.15 10-1000 0-2 0-0.6 0.75-2.2 -0.080 25 40
50BV12-5 0.32 10-800 0-5 0-0.7 1.5-4 -0.095 40 50
65BV12-10 0.65 10-600 0-10 0-1.0 2.2-7.5 -0.085 50 65
80BV12-20 1.74 10-500 0-20 0-1.2 4-15 -0.085 65 80
90BV12-30 2.48 10-500 0-30 0-0.8 5.5-22 -0.095 80 100
100BV12-40 3.65 10-500 0-40 0-1.2 7.5-30 -0.095 80  100
125BV12-50 4.60 10-500 0-50 0-0.8 7.5-37 -0.095 100 125
140BV12-70 6.10 10-500 0-70 0-1.2 11-45 -0.095 125 150
150BV12-80 7.63 10-500 0-80 0-1.2 11-55 -0.095 125 150
200BV12-120 11.56 10-400 0-120 0-1.2 15-75 -0.095 150 200
250BV12-150 14.22 10-400 0-150 0-1.2 18.5-90 -0.095 150 250
300BV12-200 20.80 10-300 0-200 0-1.2 22-110 -0.095 200 300
350BV12-300 32.60 10-250 0-300 0-1.2 45-160 -0.095 250 350
400BV12-400 50.40 10-250 0-400 0-1.2 55-200 -0.095 350 400

1. Tested medium in the table: water. 
2. Speed, flow rate, electrical power and pressure will be varified according to different liquid properties.  
3. Port size can be changed as needed.  
4. CHINAMFG reserves the right to change specifications without prior notification.

8 steps for your guideline to select CHINAMFG pump
1. Your product name
2. Product viscosity in pump, line and at rest
3. Are there any solids present, if so what are they and percentage concentration
4. Specific gravity
5. Capacity required
6. Pumping temperature
7. Discharge pressure or sketch of pipework system
8. Suction pressure or sketch of pipework system

Applications and site photos

About us

BONVE is a Chinese leading manufacturer in ROTARY LOBE PUMPS and HOMOGENIZER MIXERS, ISO9001:2015 approved company. Providing its customers with customized pumping and mixing solutions and solving their problems during the production. CHINAMFG has more than 20 years of expertise and technical know how. We design, R&D and produce. When you choose a CHINAMFG pump, you not only get the high quality pumps, but you also get the advantage of Bonve’s engineering expertise and years of application knowledge in the food, chemical, pharmaceutical, cosmetics industries etc.

By 2571, we have obtained more than 30 patents, such as invention patents, utility model patents. Owns 1 set of full automatically pump testing system, 98 sets of advanced CNC machines, including mills, borers, lathes, drillers, grinders, machining centers etc. and a variety of precise inspection equipment.

Bonve pumps are acknowledged and used over 40 countries around the world. By 2571, more than 5000 companies used CHINAMFG pumps and over 60000 units pumps are running in the world. Time and again companies specify CHINAMFG Pumps as the “standard” equipment for their manufacturing processes. We are looking CHINAMFG to be partner with you.



How guarantee the supplied pump is the best choice?
–To ensure satisfactory performance of pump, it is important that the pump must be properly selected firstly. We select the pump according to your characteristics of medium and condition of the technological requirements, bring you the right pump for your critical process.
–With more than 20 years (2001-2011) industry experience, offering rich and actual solution. Pumps we sold out has been over 600,000units running in the world.
–Customers we served from various industries more than 5,000 including food, beverages, daily chemicals, pharmacy, pulp and paper, coating and painting, oil and gas, biotechnology etc. 
How you control quality?
–Organized control to select and evaluate of our vendors.
–Incoming inspection for all the raw meterails.
–Quality process control
a. Raw material inspection
b. Process spare parts according to approved drawings
c. Assemble the pump based on customs using condition
d. Test pump’s performance (record flow rate, discharge pressure,current and temperature)
e. Inspecting conformity
–All the pump main parts are processed by CNC maching, high-precision fabrication 
What is your Warranty?
We guarantees that the pumps supplied are of high quality and reliability. Warranty is 18 months from the date of manufacturing. If any quality problem, we will send you the parts without cost in 3 working days.

How to operate your pump properly?
We have the complete English manual, training file and vedios to guide how to install the pump, how to maintain pump.


After-sales Service: Online Service
Warranty: 18 Months
Brand: Bonve
Pump Type: Positive Displacement Pump
Flow Range: Upto 400m3/H
Port Size: 1inch-16inch


vacuum pump

What Are the Advantages of Using Oil-Sealed Vacuum Pumps?

Oil-sealed vacuum pumps offer several advantages in various applications. Here’s a detailed explanation:

1. High Vacuum Performance: Oil-sealed vacuum pumps are known for their ability to achieve high levels of vacuum. They can create and maintain deep vacuum levels, making them suitable for applications that require a low-pressure environment. The use of oil as a sealing and lubricating medium helps in achieving efficient vacuum performance.

2. Wide Operating Range: Oil-sealed vacuum pumps have a wide operating range, allowing them to handle a broad spectrum of vacuum levels. They can operate effectively in both low-pressure and high-vacuum conditions, making them versatile for different applications across various industries.

3. Efficient and Reliable Operation: These pumps are known for their reliability and consistent performance. The oil-sealed design provides effective sealing, preventing air leakage and maintaining a stable vacuum level. They are designed to operate continuously for extended periods without significant performance degradation, making them suitable for continuous industrial processes.

4. Contamination Handling: Oil-sealed vacuum pumps are effective in handling certain types of contaminants that may be present in the process gases or air being evacuated. The oil acts as a barrier, trapping and absorbing certain particulates, moisture, and chemical vapors, preventing them from reaching the pump mechanism. This helps protect the pump internals from potential damage and contributes to the longevity of the pump.

5. Thermal Stability: The presence of oil in these pumps helps in dissipating heat generated during operation, contributing to their thermal stability. The oil absorbs and carries away heat, preventing excessive temperature rise within the pump. This thermal stability allows for consistent performance even during prolonged operation and helps protect the pump from overheating.

6. Noise Reduction: Oil-sealed vacuum pumps generally operate at lower noise levels compared to other types of vacuum pumps. The oil acts as a noise-damping medium, reducing the noise generated by the moving parts and the interaction of gases within the pump. This makes them suitable for applications where noise reduction is desired, such as laboratory environments or noise-sensitive industrial settings.

7. Versatility: Oil-sealed vacuum pumps are versatile and can handle a wide range of gases and vapors. They can effectively handle both condensable and non-condensable gases, making them suitable for diverse applications in industries such as chemical processing, pharmaceuticals, food processing, and research laboratories.

8. Cost-Effective: Oil-sealed vacuum pumps are often considered cost-effective options for many applications. They generally have a lower initial cost compared to some other types of high-vacuum pumps. Additionally, the maintenance and operating costs are relatively lower, making them an economical choice for industries that require reliable vacuum performance.

9. Simplicity and Ease of Maintenance: Oil-sealed vacuum pumps are relatively simple in design and easy to maintain. Routine maintenance typically involves monitoring oil levels, changing the oil periodically, and inspecting and replacing worn-out parts as necessary. The simplicity of maintenance procedures contributes to the overall cost-effectiveness and ease of operation.

10. Compatibility with Other Equipment: Oil-sealed vacuum pumps are compatible with various process equipment and systems. They can be easily integrated into existing setups or used in conjunction with other vacuum-related equipment, such as vacuum chambers, distillation systems, or industrial process equipment.

These advantages make oil-sealed vacuum pumps a popular choice in many industries where reliable, high-performance vacuum systems are required. However, it’s important to consider specific application requirements and consult with experts to determine the most suitable type of vacuum pump for a particular use case.

vacuum pump

How Do Vacuum Pumps Affect the Performance of Vacuum Chambers?

When it comes to the performance of vacuum chambers, vacuum pumps play a critical role. Here’s a detailed explanation:

Vacuum chambers are enclosed spaces designed to create and maintain a low-pressure environment. They are used in various industries and scientific applications, such as manufacturing, research, and material processing. Vacuum pumps are used to evacuate air and other gases from the chamber, creating a vacuum or low-pressure condition. The performance of vacuum chambers is directly influenced by the characteristics and operation of the vacuum pumps used.

Here are some key ways in which vacuum pumps affect the performance of vacuum chambers:

1. Achieving and Maintaining Vacuum Levels: The primary function of vacuum pumps is to create and maintain the desired vacuum level within the chamber. Vacuum pumps remove air and other gases, reducing the pressure inside the chamber. The efficiency and capacity of the vacuum pump determine how quickly the desired vacuum level is achieved and how well it is maintained. High-performance vacuum pumps can rapidly evacuate the chamber and maintain the desired vacuum level even when there are gas leaks or continuous gas production within the chamber.

2. Pumping Speed: The pumping speed of a vacuum pump refers to the volume of gas it can remove from the chamber per unit of time. The pumping speed affects the rate at which the chamber can be evacuated and the time required to achieve the desired vacuum level. A higher pumping speed allows for faster evacuation and shorter cycle times, improving the overall efficiency of the vacuum chamber.

3. Ultimate Vacuum Level: The ultimate vacuum level is the lowest pressure that can be achieved in the chamber. It depends on the design and performance of the vacuum pump. Higher-quality vacuum pumps can achieve lower ultimate vacuum levels, which are important for applications requiring higher levels of vacuum or for processes that are sensitive to residual gases.

4. Leak Detection and Gas Removal: Vacuum pumps can also assist in leak detection and gas removal within the chamber. By continuously evacuating the chamber, any leaks or gas ingress can be identified and addressed promptly. This ensures that the chamber maintains the desired vacuum level and minimizes the presence of contaminants or unwanted gases.

5. Contamination Control: Some vacuum pumps, such as oil-sealed pumps, use lubricating fluids that can introduce contaminants into the chamber. These contaminants may be undesirable for certain applications, such as semiconductor manufacturing or research. Therefore, the choice of vacuum pump and its potential for introducing contaminants should be considered to maintain the required cleanliness and purity of the vacuum chamber.

6. Noise and Vibrations: Vacuum pumps can generate noise and vibrations during operation, which can impact the performance and usability of the vacuum chamber. Excessive noise or vibrations can interfere with delicate experiments, affect the accuracy of measurements, or cause mechanical stress on the chamber components. Selecting vacuum pumps with low noise and vibration levels is important for maintaining optimal chamber performance.

It’s important to note that the specific requirements and performance factors of a vacuum chamber can vary depending on the application. Different types of vacuum pumps, such as rotary vane pumps, dry pumps, or turbomolecular pumps, offer varying capabilities and features that cater to specific needs. The choice of vacuum pump should consider factors such as the desired vacuum level, pumping speed, ultimate vacuum, contamination control, noise and vibration levels, and compatibility with the chamber materials and gases used.

In summary, vacuum pumps have a significant impact on the performance of vacuum chambers. They enable the creation and maintenance of the desired vacuum level, affect the pumping speed and ultimate vacuum achieved, assist in leak detection and gas removal, and influence contamination control. Careful consideration of the vacuum pump selection ensures optimal chamber performance for various applications.

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 factory Electr High Vacuum Suction Lobe Pumps with Low Noise   with Good quality China factory Electr High Vacuum Suction Lobe Pumps with Low Noise   with Good quality
editor by CX 2023-11-09