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who-likes-a-low-down-lousy-leaking-pump-seal
who-likes-a-low-down-lousy-leaking-pump-seal

Who likes a low-down, lousy, leaking pump seal?

Last month, in part one of this article, we discussed the first three of five simple, yet critical things operators can do to extend the life of the pump seals on the external cryogenic centrifugal pumps they operate.

They were: 1. Properly prechill the pump before starting it; 2. Before starting the pump and throughout the delivery, build and maintain sufficient net-positive suction head (NPSH)/sub-cool pressures; 3. Maintain back pressure on the pump throughout the pumping operation.

In this second part and final instalment we will discuss: 4. Never let the pump run dry; 5. Keep the pumping system free of moisture, before some advice from experts and some final thoughts.

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