Specification
Product Name: 2BVA Series Water Ring Vacuum Pump
Model |
2BVA-5131 |
Motor Power |
11KW |
Max Pumping Capacity |
400m³/h |
Ultimate Pressure |
33hpa |
Working Liquid Flow |
0.9m³/h |
Noise |
73dB(A) |
Rotary Speed |
1450r/min |
Weight |
165KG |
Ultimate Pressure with Primary Jet Pump |
10hpa |

Note: Images are for reference only, please refer to the actual product for details.
Working Theory
The 2BVA series vacuum pump is suitable for pumping gas and water vapor. It can achieve an absolute pressure of 33 mbar (vacuum level of 97%). When operating under a pressure lower than 80 mbar for a long time, it is recommended to connect a gas corrosion protection tube to protect the pump.
Equipped with an air injector, the pump can reach an aspirating pressure of 10 mbar. The injector can be directly installed on the vacuum pump.
When used as a compressor, the maximum pressure can reach 0.26 mbar (absolute pressure).

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Advantages
- Coaxial pump and direct connection design, saving space and easy to install;
- Standard configuration with mechanical seal, eliminating leaks and easy maintenance;
- Smooth operation, noise levels can be as low as 62 decibels;
- Uniform anti-corrosion design, bronze impeller enhances the pump's corrosion resistance;
- Stainless steel material is more suitable for harsh working environments;
- Unique flexible vent design prevents over-compression and ensures optimal efficiency within its performance range.
Parameter Form
Model |
Motor Power |
Max Pumping Capacity |
Ultimate Pressure |
Working Liquid Flow |
Noise |
Rotary Speed |
Weight |
Ultimate Pressure with Primary Jet Pump |
2BVA-2060 |
0.81KW |
27m³/h |
33hpa |
0.12m³/h |
62dB(A) |
2880r/min |
20KG |
10hpa |
2BVA-2061 |
1.45KW |
52m³/h |
33hpa |
0.12m³/h |
65dB(A) |
2880r/min |
22KG |
10hpa |
2BVA-2070 |
2.35KW |
80m³/h |
33hpa |
0.15m³/h |
66dB(A) |
2880r/min |
31KG |
10hpa |
2BVA-2071 |
3.85KW |
110m³/h |
33hpa |
0.25m³/h |
72dB(A) |
2880r/min |
42KG |
10hpa |
2BVA-5110 |
4KW |
165m³/h |
33hpa |
0.4m³/h |
63dB(A) |
1450r/min |
78KG |
10hpa |
2BVA-5111 |
5.5KW |
230m³/h |
33hpa |
0.5m³/h |
68dB(A) |
1450r/min |
100KG |
10hpa |
2BVA-5121 |
7.5KW |
280m³/h |
33hpa |
0.6m³/h |
69dB(A) |
1450r/min |
145KG |
10hpa |
2BVA-5131 |
11KW |
400m³/h |
33hpa |
0.9m³/h |
73dB(A) |
1450r/min |
165KG |
10hpa |
2BVA-5161 |
15KW |
500m³/h |
33hpa |
1.2m³/h |
74dB(A) |
980r/min |
252KG |
10hpa |
Applications
Water ring vacuum pumps and compressors are widely used in industries such as petrochemical, pharmaceutical, food, and sugar due to their isothermal compression process, making them safe for handling flammable and explosive gases. This makes them highly applicable in various fields.
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