How to set the external nitrogen pressure for the Plan53 flushing procedure of the high-speed pump LMV322
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What is the basis for setting the external nitrogen pressure? Currently, the nitrogen pressure is set at 9 kilograms; can it be reduced, and by how much?
This one of yours should be PLAN53A; the external nitrogen pressure just needs to be 0.05–0.15 MPa higher than the pressure in the sealed chamber
This one of yours should be PLAN53A; the external nitrogen pressure just needs to be 0.05–0.15 MPa higher than the pressure in the sealed chamber
The pressure in the sealed chamber is generally slightly higher than the inlet pressure; this value varies depending on the structure of the pump. Relevant articles can be found on Baidu Wenku. As a rough estimate, it’s around the inlet pressure plus 0.05–0.1 MPa