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For urea melting pumps that use dynamic sealing combined with packing, how to check for seal leakage?

2011-12-17View Original

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For urea melting pumps that use dynamic sealing combined with packing, how to check for seal leakage?
Reply #22011-12-17
Impeller drive + packing seal; the packing can be loosened during operation, and the packing seal is used only during shutdown flushing. It is sufficient to check that there is no urine leakage at the shaft seal.

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