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  • Users: FFV5
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  1. FFV5

    Increase pump efficiency by reducing running clearances

    I have come across that pump efficiency can be increased by reducing wear ring clearances. However from what I understand, when wear ring clearances are reduced, the pump head will increase, meaning the pump has to be throttled more. In that case, how is it possible that efficiency of the pump...
  2. FFV5

    Cryogenic Valve Seat

    Has anybody tried Vespel for Cryogenic valve seats? Any comments on the performance is most welcome.

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