2BE3-720 Vacuum Pump Parameters for Large Vacuum Systems

When a vacuum system needs to handle a large amount of gas, choosing the right pump is not just about looking at the model number. You need to check the suction capacity, operating speed, power, and required vacuum level. The 2BE3-720 water ring vacuum pump is designed for this type of demanding industrial work. With a large suction capacity and several operating speed options, it can be used in many large-scale vacuum applications.

2BE3-720 Vacuum Pump Specifications

The 2BE3-720 is one of the large models in the 2BE3 liquid ring vacuum pump series. According to the technical data, it can operate at speeds from 190 to 340 r/min.

At 190 r/min, the suction capacity is 21,900 m³/h, or about 365 m³/min. When the speed reaches 340 r/min, the capacity increases to 38,100 m³/h, or about 635 m³/min. This gives users several operating points to choose from instead of being limited to one fixed capacity.

Main 2BE3-720 Parameters

The maximum shaft power ranges from 345 kW to 795 kW, while the recommended motor power ranges from 400 kW to 900 kW. The limited vacuum is 160 mbar absolute.

These numbers are important when planning the complete vacuum system. The pump itself may meet the required capacity, but the motor, drive system, piping, separator, and other equipment also need to match the working conditions.

How Does 2BE3-720 Suction Capacity Change with Speed?

One simple way to understand the 2BE3-720 is to look at the relationship between speed and suction capacity.

At 190 r/min, the pump provides about 365 m³/min. At 210 r/min, the capacity reaches about 405 m³/min. At 240 r/min, it increases to about 458 m³/min. At 270 r/min, the capacity is about 509 m³/min. At 300 r/min, it reaches around 563 m³/min, while 340 r/min provides about 635 m³/min.

So, do you always need to run the pump at the highest speed? Not necessarily.

Higher speed can provide greater suction capacity, but it also comes with higher shaft power and motor power requirements. If your process only needs 450 m³/min, for example, selecting a suitable lower-speed operating point may be more practical than simply choosing the maximum speed.

2BE3-720 Applications in Large Industrial Vacuum Systems

The large capacity of the 2BE3-720 makes it suitable for industrial processes where a high volume of gas must be handled continuously.

Mining and Coal Processing

Mining operations often use vacuum systems for filtration, dewatering, gas handling, and other process equipment. These systems can require a large amount of vacuum flow, especially when several process units are connected to one central vacuum system.

The 2BE3-720 can be considered when the system needs a high suction capacity and stable continuous operation.

Chemical and Metallurgical Processes

Chemical plants and metallurgical facilities may also need large industrial vacuum pumps for filtration, evaporation, gas handling, and process vacuum. In these applications, the actual gas load, working temperature, required vacuum level, and working liquid conditions should all be checked before selecting the pump.

Large Vacuum Filtration Systems

Vacuum filtration is another common area where high suction capacity matters. When the filtration area becomes larger, the vacuum system may need to remove more air and vapor within a short time. This is where a large-capacity liquid ring vacuum pump such as the 2BE3-720 can become useful.

How to Select the Right 2BE3-720 Operating Point

Choosing a 2BE3-720 is not simply a matter of selecting the largest capacity. Start with the actual process requirements.

First, determine the required suction capacity in m³/h or m³/min. Then check the required absolute pressure or vacuum level. After that, compare the available operating speeds with the corresponding shaft and motor power.

Check the Complete System

Do not forget the supporting equipment. Piping size, separator capacity, working liquid temperature, cooling conditions, motor selection, and drive type can all affect the final system performance.

If the required capacity is close to one of the listed operating points, it is also useful to leave some operating margin instead of running the pump continuously at its maximum point.

In short, the 2BE3-720 is mainly about handling a large gas load. Its capacity of up to 38,100 m³/h gives it a wide operating range for large industrial vacuum systems. By matching suction capacity, vacuum level, speed, and motor power with the actual process, users can build a more suitable and stable vacuum system.

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