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  • Users: crowsell
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  1. crowsell

    Crude Vac Bottoms Sealing

    I have 2 pumps in Crude Vac Bottoms service (750 F) which currently have dual metal bellows seal arrangement with Plan 54 barrier fluid circulation. We have numerous failures due to either blockage in the seal system causing lack of barrier fluid circulation, or improper operation of the...

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