Does this pump not require sealed water for cooling?
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What is the purpose of connecting this sealed pump to 2 holes? Are the other 2 holes left unused for connecting the sealing water? Should I still not connect the sealing water?
The pump is produced by ENSIVAL MORET
The sharpened pump now belongs to the Sulzer brand. The other two holes are likely quenching ports; connect them if necessary, otherwise leave them unconnected
Mechanical seal self-flushing PLAN11
For PLAN11, just add water
The medium may contain impurities; the mechanical seal should be flushed, otherwise it will break down easily
The PLAN11 self-flushing scheme is recommended; you may want to take a look at the API682 flushing scheme as well
The two on the right side are self-flushing interfaces for the mechanical seal (which use the outlet medium to flush the sealing surface of the mechanical seal), while the two on the left side are interfaces for the mechanical seal cooling fluid (used to cool the stationary ring of the mechanical seal). It can be decided whether to use these interfaces or not depending on the operating conditions