1. Packing seal is to put the packing rich in compressibility and resilience into the packing box of 2BV water ring vacuum pump, and convert the axial compression force of the gland into radial sealing force, so as to play a sealing role.
2. Power seal: when the vacuum pump is running, the pressure head produced by the auxiliary impeller balances the high-pressure liquid at the outlet of the main impeller, so as to realize the seal.
3. Oil seal seal is a self tightening lip seal, which has simple structure, small size, low cost, convenient maintenance and small resistance torque. It can not only prevent medium leakage, but also prevent external dust and other harmful substances from entering 2BV vacuum pump.
4. The labyrinth seal of 2BV water ring vacuum pump has a good sealing effect when it is designed reasonably, processed well, assembled well and rotated at a high speed.
The sealing of 2BV water ring vacuum pump is mainly to improve the efficiency of the equipment. When sealing, you can choose any method.
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