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Recent content by omkar32

  1. omkar32

    Centrifugal pump loosing suction during tank changover

    Thank you razookm and LittleInch for providing your inputs.
  2. omkar32

    Centrifugal pump loosing suction during tank changover

    Thank you LittleInch. The line is common suction line from tanks to Pump. All the tanks suction is connected to this common suction line (24"). It is true that NRVs might have been provided to avoid reverse flow, these were not provided.
  3. omkar32

    Centrifugal pump loosing suction during tank changover

    Thank you razookm. I agree that crude will gravitate from new tank to a feeding tank at a huge rate. Considering that the feeding tank valve will be closed, say 1 minute after the opening of the valve on the new tank the level increase in feeding tank may be acceptable. I am attaching a...
  4. omkar32

    Centrifugal pump loosing suction during tank changover

    Hi, I need insights into the following problem. My problem is as follows: A centrifugal pump is feeding to a crude unit @600 m3/hr. During tank change over, at first, the gate valve on the new tank is opened 25% and the gate valve on the feeding tank is closed by 25%. Then further 25% is...
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