China Custom Siemens, Nash, Gardner Denver 2BV5 Liquid Ring (water ring) Vacuum Pump with Good quality

Product Description

High capacity monoblock pumps 2BV5


 ELMO-F vacuum pumps are designed by Siemens. The pumps are suitable for evacuating gases and wet vapoure down to inlet pressure of 33 mbar (97% vacuum).
 All these vacuum pumps are supplied with built-in cavitation protection. For long-term operation below 80mbar abs. the cavitation protection should be connected for protecting the pump. An inlet pressure of 10 mbar abs. can be achieved by connecting a gas ejector(see accessories). The gas ejector can be mounted directly CZPT the vacuum pump.
 The 2BV5 ELMO-F pumps are especially space-saving units in monoblock design(degree of protection IP55).
Available in both cast iron and stainless steel construction, the 2BV5 family provides capacities up the 600 m 3/h (360 CFM) in a compact monoblock design.
 With a reinforced stainless steel shaft and sealed bearings, the 2BV5 can provide up to 20,000 hours of maintenance-free operation. Additional features such as the iron pump’s ceramic coated casing prevent wear and ensure constant performance, even under harsh conditions.

Quiet operation

 The 2BV5 is expertly designed and manufactured to be quiet and vibration free. With sound pressure levels of less that 75 dBA, it complies with the strictest noise standards, eliminating the need for additional sound attenuating devices.

Characteristic Curves

Advantages at a glance

· Compact
·Rugged design for reliable operation and long service life
· Precision-balanced rotor
· For CZPT use with 50/60 Hz motors, UL certified
· Available from stock
· Low installation costs
· Easy to service
· Standard mechanical seal
· Reinforced stainless-steel shaft in the pump body
· Design conforms to ATEX 94/9 EC

Main applications

· Plastics industry
· Chemical industry
· Medical technology
· Food and beverage industry
· General industry

Table 1
Material of construction for 2BV5
BODY/LOBE GB 9439 HT200/ASTM A48 CLASS30B ASTM A351 CF8 CF8M,CF3,CF3M,2205  
HEAD GB 9439 HT200/ASTM A48 CLASS30B ASTM A351 CF8 CF8M,CF3,CF3M,2205  
SHAFT GB/T 1220 20Cr13/ASTM A276 420 GB/T1220 S30408 /A276 304 ASTM A276 316L  
ROTOR ASTM A351 CF-8 ASTM A351 CF8 CF8M,CF3,CF3M,2205  
SHAFT SEALING Mechanical seal Mechanical seal    
GASKETS Rubber sealant Loctite 515/510    
Table 2 Pump data
Performance Data
/Pump Size Capacity Suction Pressure Speed Motor Data Drive Weight P/N
m³/h mbar.A RPM Power Frequency Voltage kg
2BV5 110 40- 100 33 – 1000 1450/1750 4KW 50Hz 380V-△/660V-Y Monoblock 97 2BV51100KC00-7P
2BV5 111 60 – 140 33 – 1000 1450/1750 5.5KW 50Hz 380V-△/660V-Y Monoblock 113 2BV51110KC00-7P
2BV5 121 80 – 180 33 – 1000 1450/1750 7.5KW 50Hz 380V-△/660V-Y Monoblock 144 2BV51210KC00-7P
2BV5 131 110 – 240 33 – 1000 1450/1750 11KW 50Hz 380V-△/660V-Y Monoblock 194 2BV51310KC00-7P
2BV5 161 150 – 300 33 – 1000 980/1150 12+SF1.25 50Hz 380V-△/660V-Y Monoblock 340 2BV51610KC02-7P

Installation dimensions

Pump Size Curve No. A B1 B2 C1 C2 H1 H2 H3 H4 H5 H6 H7 K L
2BV5 110-0KC.. 101V 709 325 255 190 33 26 140 156 202 361 328 38 57 342 130
2BV5 110-0KH.. 101V/103V 715     216 26           353        
2BV5 111-0KC.. 111V 721 325 265 216 36 26 150 166 212 371 363 48 68 348 130
2BV5 111-0KH.. 111V/113V 760       36                 385  
2BV5 121-0KC.. 121V 821 347 265 216 36 26 150 167 217 385 363 39 60 430 147
2BV5 121-0KH.. 121V/131V 842     254 20 36 160 177 227 395 420 49 70 467  
2BV5 131-0KC.. 131V 849 377 300 254 35 30 175 194 249 427 435 53 76 468 147
2BV5 131-0KH.. 131V/133V 904       35 30 180 199 254 432       512  
2BV5 161-0K… 161V/163V 1100 479 370 370 52 30 210 225 303 521 485 51 90 632 201
Pump Size Curve No. F N S1 S2 T d1 d2 d3 d4 d5          
2BV5 110-0KC.. 101V 537 92 12×23 12 340 19 160 123 97 52          
2BV5 110-0KH.. 101V/103V 543 92 12×23 12 340 19 160 123 97 52          
2BV5 111-0KC.. 111V 549 92 12×23 12 340 19 160 123 97 52          
2BV5 111-0KH.. 111V/113V 588 92 12×23 12 340 19 160 123 97 52          
2BV5 121-0KC.. 121V 633 97 12×23 12 382 19 182 142 113 66.5          
2BV5 121-0KH.. 121V/131V 654 97 12×23 12 382 19 182 142 113 66.5          
2BV5 131-0KC.. 131V 655 103 15×25 14 382 19 182 142 113 66.5          
2BV5 131-0KH.. 131V/133V 710 103 15×25 14 382 19 182 142 113 66.5          
2BV5 161-0K… 161V/163V 862 138 15×27 14 450 22 200 156 130 80          
Pump Size Curve No. W1 W2 W3 d(N1.0,N2.0) N3.0 N4.2 N8.7        
2BV5 110-0KC.. 101V 180 52 27 DN 50/2″ Rp 3/4″(24 deep)
DN 15 + Rp 3/4″ 
Rp 3/8″(25 deep) Rp 3/8″(11 deep)        
2BV5 111-0KC.. 111V 180 52 27 DN 50/2″ Rp 3/4″(24 deep)
DN 15 + Rp 3/4″ 
Rp 3/8″(25 deep) Rp 3/8″(11 deep)        
2BV5 121-0KC.. 121V 200 57 29 DN 65/ 2.5″ Rp 3/4″(24 deep)
DN 15 + Rp 3/4″ 
Rp 3/8″(25 deep) Rp 3/8″(11 deep)        
2BV5 131-0KC.. 131V 200 62.5 32 DN 65/ 2.5″ Rp 3/4″(24 deep)
DN 15 + Rp 3/4″ 
Rp 3/8″(25 deep) Rp 3/8″(11 deep)        
2BV5 161-0K… 161V/163V 250 81 41 DN80/3″ Rp 3/4″(24 deep)
DN 15 + Rp 3/4″ 
Rp 3/8″(25 deep) Rp 3/8″(11 deep)        


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


Vacuum Pump

What Are Vacuum Pumps?

Vacuum pumps use air flow as the source of energy. The system is ideal for dewatering wet media, creating filter cakes, and pneumatically moving materials through a pipe. A vacuum pump works through air flow that is moved by differential pressure. The pump’s air flow develops a vacuum in a chamber that is called the vacuum box. As the air flow collects gas at a faster rate than atmospheric pressure, it is considered the “heart” of a vacuum system.

Principles of operation

Vacuum pumps work by reducing the volume of air that moves through them. Depending on the design, there are several different types of vacuum pumps. All of these types operate under the same principles, but have their own special features. Here are some of their most important characteristics. In addition to their capacity, the main differences between these pumps are their manufacturing tolerances, materials of construction, and level of tolerance for chemicals, oil vapor, and vibration.
Vacuum pumps create a partial or low-pressure vacuum by forcing gas molecules from their high-pressure states to their low-pressure states. However, these pumps can only achieve a partial vacuum, and other methods are necessary to reach a higher level of vacuum. As with all pumps, there are several ways to increase the level of a vacuum.
First, consider the type of vacuum you want. This is the most important factor when choosing a vacuum pump. If you need a high level of vacuum, you’ll need a high-quality vacuum pump. High-quality vacuum pumps have a high pressure limit, while ultrahigh-quality pumps are capable of achieving a very low vacuum. As the pressure decreases, the amount of molecules per cubic centimeter decreases and the quality of the vacuum increases.
Positive displacement pumps are best suited for low and medium-pressure systems. But they can’t reach high vacuum, which is why most high-pressure systems use two pumps in tandem. In this case, the positive displacement pump would stall and the other one would be used instead. Similarly, entrapment pumps have higher-pressure limits, so they must be refreshed frequently or exhaust frequently when there is too much gas to capture.
Another important aspect of vacuum pump operation is its speed. The speed of pumping is proportional to the differential pressure across the system. Therefore, the faster the pumping speed, the lower the draining time.


A vacuum pump is a mechanical device used to generate a vacuum. It can create a low or high vacuum. These pumps are used in the process of oil regeneration and re-refining. The design of a vacuum pump must be compatible with the vacuum. The pump’s mass and speed should be matched.
The design of a vacuum pump is important for many reasons. It should be easy to use and maintain. Vacuum pumps need to be protected from external contamination. For this reason, the oil must be kept clean at all times. Contamination may damage the oil, resulting in pump failure. The pump’s design should include features that will prevent this from happening.
The main objective of a vacuum pump is to remove air and other gases from a chamber. As the pressure of the chamber drops, the amount of molecules that can be removed becomes more difficult. Because of this, industrial and research vacuum systems typically require pumps to operate over a large pressure range. The range is generally between one and 10-6 Torr. A standard vacuum system uses multiple pumps, each covering a portion of the pressure range. These pumps can also be operated in a series to achieve optimal performance.
The design of a vacuum pump can vary depending on the application and the pressure requirement. It should be sized appropriately to ensure that it works properly. There are several different types of pumps, so selecting the right pump is essential to maximizing its efficiency. For example, a slow running vee belt drive rotary vane vacuum pump will have a lower running temperature than a fast-running direct-drive pump.
Vacuum Pump


The performance of a vacuum pump is an important indicator of its overall condition. It helps determine whether the system is performing optimally and how high the ultimate vacuum level can be achieved. A performance log should be maintained to document variations in pump operating hours and voltage as well as the temperature of the pump’s cooling water and oil. The log should also record any problems with the pump.
There are several ways to increase the performance of a vacuum pump. For example, one way is to decrease the temperature of the working fluid. If the temperature of the fluid is too high, it will lead to a low vacuum. A high temperature will make the vacuum degree of the pump even lower, so heat transfer is an important part of the process.
Nozzles are another major component that impacts the performance of a vacuum pump. Damage or clogging can result in a compromised pumping capacity. These problems can occur due to a number of causes, including excessive noise, leakage, and misassembled parts. Nozzles can also become clogged due to rusting, corrosion, or excess water.
Performance of vacuum pump technology is vital for many industries. It is an integral part of many central production processes. However, it comes with certain expenses, including machines, installations, energy, and maintenance. This makes it essential to understand what to look for when purchasing a vacuum pump. It is important to understand the factors that can influence these factors, as they affect the efficiency of a vacuum pump.
Another important factor in determining the performance of a vacuum pump is throughput. Throughput is a measurement of how many molecules can be pumped per unit of time at a constant temperature. Moreover, throughput can also be used to evaluate volume leak rates and pressure at the vacuum side. In this way, the efficiency of a vacuum pump can be judged by the speed and throughput of its leaks.

Atmospheric pressure

Vacuum pumps work by sucking liquids or air into a container. The amount of vacuum a pump can create is measured in pressure units called atms (atmospheric pressure). The pressure of a vacuum pump is equal to the difference between atmospheric pressure and the pressure in the system.
The amount of force produced by air molecules on each other is proportional to the number of impacts. Therefore, the greater the impact, the higher the pressure. In addition, all molecules have the same amount of energy at any temperature. This holds true for both pure and mixture gases. However, lighter molecules will move faster than heavier ones. Nevertheless, the transfer of energy is the same for both.
The difference between atmospheric and gauge pressure is not always straightforward. Some applications use one term to describe the other. While the two concepts are closely related, there are key differences. In most cases, atmospheric pressure is a higher number than gauge pressure. As a result, it can be confusing when choosing a vacuum pump.
One method is to use a U-tube manometer, a compact device that measures the difference between atmospheric pressure and vacuum. This device is commonly used for monitoring vacuum systems. It can measure both negative and positive pressure. In addition, it uses an electronic version of a gauge.
The atmospheric pressure affects the performance of a vacuum pump. When working with porous materials, the pump must overcome leakage. As a result, it must be equipped with enough capacity to compensate for variations in the porosity of the work piece. This is why it is critical to buy a vacuum pump that has a large enough capacity to handle the variation.
Vacuum Pump

Typical application

Vacuum pumps are used in a variety of applications. They generate low and high pressures and are used to evaporate water or gases from various materials. They are also used in petroleum regeneration and re-refining processes. Typical applications of vacuum pumps include: a.
b. Rotary vane pumps are used in a variety of vacuum applications. They are suitable for industrial applications, freeze drying and cabinet making. They use oil as a sealant and coolant, allowing them to perform well in a variety of applications. This makes them ideal for use in a variety of industries.
The pumping rate of the vacuum pump is important. This refers to the volume pumped from a given point at a given rate. The higher the speed, the faster the pump will expel the air. Depending on the gas composition, this number will vary. When choosing a vacuum pump, gas composition and process requirements should be considered.
Vacuum pumps are used in a variety of industries from laboratories to medical facilities. In medical applications, they are used in radiation therapy and radiopharmaceuticals. They are also used in mass spectrometers, which are instruments used to analyze solid, liquid, or surface materials. Vacuum pumps are also used in decorative vacuum coatings and Formula 1 engine components. A trash compactor is another example of using a vacuum pump.
Vacuum pumps are used in a variety of applications including water purification and aeration. Vacuum pumps are also used in portable dental equipment and compressors in the dental industry. Vacuum pumps are also used in molds for dental implants. Other common applications for vacuum pumps include soil aeration and air sampling.

China Custom Siemens, Nash, Gardner Denver 2BV5 Liquid Ring (water ring) Vacuum Pump   with Good quality China Custom Siemens, Nash, Gardner Denver 2BV5 Liquid Ring (water ring) Vacuum Pump   with Good quality
editor by CX 2023-04-18

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