China Standard 2be Series Big Capacity Liquid Ring Air Vacuum Pump for Coal vacuum pump

Product Description

Applied industry:

Papermaking, Chemical Industry, Petrifaction Industry, Light Industry, Medicine Production, Foodstuff, Metallurgy, Building Materials, Coal Washing, Chemicals, etc.


2BEA-103-0; 2BEA-153-0; 2BEA-202-0; 2BEA-203-0; 2BEA-252-0; 2BEA-253-0; 2BEA-303-0; 2BEA-353-0; 2BEA-403-0

Motor power:

from 11 KW to 250 KW 


Company overview:

1988:established headquarter in ZHangZhoug, mainly produce vacuum pump SK series for medicine industry

1997:established a sales branch in ZheJiang

1998:research and develop SK-A,SK-D series for plastic industry

2007:establish foreign trade department and start foreign trade business



Main products:

Liquid ring vacuum pump:SK,SK-A,SK-D,2SK,2SK-B,2BEA,etc

Centrigugal pump: IZ(BL),etc

Rotary vane vacuum pump:2X,2XZ-B,VRD,XD,etc



CE;ISO9001:2000; ISO14001:2004

Brief introduction     
Liquid Ring Vacuum Pump     Option
SK Thread connection liquid ring vacuum pump Mechanical sealed, widely used in Foodstuff,Medicine Package, Disinfectant, Printing, Dyeing, Weaving, Plastic Industry Cast iron/SS
SK-A Thread connection liquid ring vacuum pump, coat disposal Specially designed for Plastic Industry, coat disposal inside the pump cavity, can work continuously, solve the problem of seriously scaling in hard water condition, can start when stopping for a long time  
SK-C Thread connection liquid ring vacuum pump, coat disposal, higher vacuum higher vacuum degree than SK-A  
SK-D Flange connection liquid ring vacuum pump Added flanged fitting based on SK-A Series Cast iron/SS
SK-E Flange connection liquid ring vacuum pump, higher vacuum higher vacuum degree than SK-D  
2SK-B Two stage liquid ring vacuum pump Two-stage Strap drived, High Ultimate Vacuum,Energy-saving, Low Noise. Cast iron/SS
2BEA/2BEC medium/big size liquid ring vacuum pump Used widely at paper mill, chemical, petrification, medicines manufacture, food, metallurgy etc Cast iron/SS
Water pump  
IZ/BL Centrifugal water pump    


Type of pump Speed Motor power Limit vacuum Gasm Weight
  (r/min) (Kw) (hpa) (m 3 /h) (Kg)
2BEA103 1450 11 33 340 125
2BEA153 1450 18.5 33 600 190
2BEA202 980 22 33 750 450
2BEA203 980 37 33 1120 510
2BEA252 660 37 33 1540 810
740 45 1680
2BEA253 660 45 33 2100 890
740 55 2400
2BEA303 472 55 33 2560 1400
530 75 2850
590 75 3200
660 90 3600
740 110 4000
2BEA353 420 75 33 3700 2000
472 90 4200
500 90 4480
530 110 4720
590 132 5300
2BEA403 372 110 33 5680 3300
420 132 6280
472 160 7350
530 220 8120
2BEA405 330 110 160 5950 3400
372 132 6750
420 160 7550
472 185 8300
530 220 9100
2BEA505 298 160 160 8800 5100
330 185 9750
372 220 1571
420 250 11820
2BEA605 236 200 160 11500 7900
266 220 13000
298 280 14900
330 315 15700
2BEA705 210 315 160 17500 11500
236 355 19700
266 450 21750
298 500 23850
Type of pump Speed Motor power Limit vacuum Gasm Weight
  r/min (Kw) hpa m 3 /h kg
2BEC40 300 75 160 4256 3430
340 90 4920
390 110 5650
440 132 6300
490 132 6900
530 160 7500
570 185 8000
2BEC42 300 90 160 5740 3710
340 110 6375
390 132 7600
440 160 8550
490 185 9400
530 220 10130
2BEC50 260 160 160 8800 5400
300 185 10150
340 220 11400
380 250 12620
420 280 13880
2BEC52 230 160 160 9300 6000
260 185 10700
300 220 12400
340 250 14000
2BEC60 200 160 160 11000 8200
230 220 12780
260 280 14550
290 315 16050
2BEC62 200 200 160 13360 9100
230 250 15600
260 280 17660
290 355 19500
2BEC67 180 220 160 15200 11390
210 315 18150
240 400 20650
270 450 23100
2BEC72 170 280 160 19000 14150
190 355 21600
210 400 23800
240 500 27000

/* 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

Structure: Single Stage Vacuum Pump
Exhauster Method: Positive Displacement Pump
Vacuum Degree: Vacuum
Work Function: Mainsuction Pump
Brand: Yhzkb
Color: Blue or Customised


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

What Is the Difference Between Dry and Wet Vacuum Pumps?

Dry and wet vacuum pumps are two distinct types of pumps that differ in their operating principles and applications. Here’s a detailed explanation of the differences between them:

Dry Vacuum Pumps:

Dry vacuum pumps operate without the use of any lubricating fluid or sealing water in the pumping chamber. They rely on non-contact mechanisms to create a vacuum. Some common types of dry vacuum pumps include:

1. Rotary Vane Pumps: Rotary vane pumps consist of a rotor with vanes that slide in and out of slots in the rotor. The rotation of the rotor creates chambers that expand and contract, allowing the gas to be pumped. The vanes and the housing are designed to create a seal, preventing gas from flowing back into the pump. Rotary vane pumps are commonly used in laboratories, medical applications, and industrial processes where a medium vacuum level is required.

2. Dry Screw Pumps: Dry screw pumps use two or more intermeshing screws to compress and transport gas. As the screws rotate, the gas is trapped between the threads and transported from the suction side to the discharge side. Dry screw pumps are known for their high pumping speeds, low noise levels, and ability to handle various gases. They are used in applications such as semiconductor manufacturing, chemical processing, and vacuum distillation.

3. Claw Pumps: Claw pumps use two rotors with claw-shaped lobes that rotate in opposite directions. The rotation creates a series of expanding and contracting chambers, enabling gas capture and pumping. Claw pumps are known for their oil-free operation, high pumping speeds, and suitability for handling dry and clean gases. They are commonly used in applications such as automotive manufacturing, food packaging, and environmental technology.

Wet Vacuum Pumps:

Wet vacuum pumps, also known as liquid ring pumps, operate by using a liquid, typically water, to create a seal and generate a vacuum. The liquid ring serves as both the sealing medium and the working fluid. Wet vacuum pumps are commonly used in applications where a higher level of vacuum is required or when handling corrosive gases. Some key features of wet vacuum pumps include:

1. Liquid Ring Pumps: Liquid ring pumps feature an impeller with blades that rotate eccentrically within a cylindrical casing. As the impeller rotates, the liquid forms a ring against the casing due to centrifugal force. The liquid ring creates a seal, and as the impeller spins, the volume of the gas chamber decreases, leading to the compression and discharge of gas. Liquid ring pumps are known for their ability to handle wet and corrosive gases, making them suitable for applications such as chemical processing, oil refining, and wastewater treatment.

2. Water Jet Pumps: Water jet pumps utilize a jet of high-velocity water to create a vacuum. The water jet entrains gases, and the mixture is then separated in a venturi section, where the water is recirculated, and the gases are discharged. Water jet pumps are commonly used in laboratories and applications where a moderate vacuum level is required.

The main differences between dry and wet vacuum pumps can be summarized as follows:

1. Operating Principle: Dry vacuum pumps operate without the need for any sealing fluid, while wet vacuum pumps utilize a liquid ring or water as a sealing and working medium.

2. Lubrication: Dry vacuum pumps do not require lubrication since there is no contact between moving parts, whereas wet vacuum pumps require the presence of a liquid for sealing and lubrication.

3. Applications: Dry vacuum pumps are suitable for applications where a medium vacuum level is required, and oil-free operation is desired. They are commonly used in laboratories, medical settings, and various industrial processes. Wet vacuum pumps, on the other hand, are used when a higher vacuum level is needed or when handling corrosive gases. They find applications in chemical processing, oil refining, and wastewater treatment, among others.

It’s important to note that the selection of a vacuum pump depends on specific requirements such as desired vacuum level, gas compatibility, operating conditions, and the nature of the application.

In summary, the primary distinction between dry and wet vacuum pumps lies in their operating principles, lubrication requirements, and applications. Dry vacuum pumps operate without any lubricating fluid, while wet vacuum pumps rely on a liquid ring or water for sealing and lubrication. The choice between dry and wet vacuum pumps depends on the specific needs of the application and the desired vacuum level.

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 Standard 2be Series Big Capacity Liquid Ring Air Vacuum Pump for Coal   vacuum pump	China Standard 2be Series Big Capacity Liquid Ring Air Vacuum Pump for Coal   vacuum pump
editor by Dream 2024-04-25

gear pump

As one of leading gear pump manufacturers, suppliers and exporters of products, We offer gear pump and many other products.

Please contact us for details.

Manufacturer supplier exporter of gear pump

Recent Posts