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2BV series liquid ring vacuum spring is suitable for pumping gas and water vapor.inspiratory pressure can reach 33mbar absolute pressure (97% vacuum degree).when the vacuum spring in the inspiratory pressure below 80mbar for a long timeshould be connected to the cavitation protection pipe to protect the pump, such awith atmospheric ejector inspiratory pressure up to 10mbar, The ejector can beinstalled directly on the vacuum pump. When used as a compressor, its pressure isup to 0.26Mh(absolute pressure2BV series liquid ring vacuum pump and compressor are widely used inpetrochemical, pharmaceutical, food, sugar, plastic industry and other fields,because in the process of working, the gas compression process isisothermal, so in the compression and suction of flammable and explosivegas, it is not easy to occur danger, its application is more widely.
FeaturesMachine spring coaxial direct connection design, save space, easy to install, easy tomaintain; Mechanical seal is used as the standard configuration, the flexible valveplate automatically adjusts the size of the vent holeTo achieve high efficiency and energy saving, no liquid leakagenoenvironmentalpollutionStable operation, noise can be as low as 62 decibels, small size, easyto handle;
The uniform corrosion resistance design, bronze impeller improves the corrosion resistanceof the spring, stainless steel material is more suitable for more load engraving requirements
The unique flexible exhaust port design, which does not produce excessivecompression, ensures the best efficiency in the performance range of2BVASample selectionD Design point parameters:Inspiratory capacity V=100m3/hInspiratory pressure P1=40mbar.a.2 Other parameters are in the samestandard state (see note).
Select the curve 3 that is closest to thedesign point D, which is 71Vin this example
According to the curve number, find out the corresponding producto model, that is, the order number, but only the standard type)
In this example, from 71V, the Dequan type is
2BV071-0NCO3-7p
Note
The performance curve is obtained under the condition of suction medium of20°C siquid temperature of15°C, exhaust pressure of 1013mbar, the performance tolerance
On the left side of the figure is the performance curve with the atmosphere 1 emitter
| Model | Motor power kW | Max. air m3/h | Limit pressure mbar | suction diameter mm | Output diameter mm | Limit pressure with Primary air pump hpa |
| 2BV2060 | 0.81 | 27 | 33 | G1" | G1" | 10 |
| 2BV2061 | 1.45 | 55 | 33 | G1" | GV | 10 |
| 2BV2070 | 2.35 | 80 | 33 | G1/2" | G1/2" | 10 |
| 2BV2071 | 3.85 | 110 | 33 | G1/2" | G1/T | 10 |
| 2BV5110 | 4 | 165 | 33 | DN50 | DN50 | 10 |
| 2BV5111 | 5.5 | 230 | 33 | DN50 | DN50 | 10 |
| 2BV5121 | 7.5 | 280 | 33 | DN65 | DN65 | 10 |
| 2BV5131 | 11 | 400 | 33 | DN65 | DN65 | 10 |
| 2BV5161 | 15 | 500 | 33 | DN80 | DN80 | 10 |
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