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Recent content by Ste77

  1. Ste77

    Centrifugal Pump Shut-Off

    I described the problem in the way in which I was placed. I have not seen the pump in operation. However I resolved Thank you the same
  2. Ste77

    Centrifugal Pump Shut-Off

    The time to stop the impeller is important in term of lubrication which is provided only for a limited time. In a first time I thought that the impeller will stop quickly with the "minimum flow valve" closed, instead the simulation result is exactly the opposite. This could be due to the fact...
  3. Ste77

    Centrifugal Pump Shut-Off

    I'm sorry, I probably don't explained properly the problem. "Recycle valve" is a minimum flow valve which tries to maintain a set point on flow through the pump. So, when pump shut off occurr, flow decrease quickly and the controller, if enabled, opens "minimum flow valve" in order to maintain...
  4. Ste77

    Centrifugal Pump Shut-Off

    Hello, I simulated a centrifugal pump shut-off in two different conditions: with recycle valve open and with recycle valve closed. In the first case recylce valve starts to open when flow reachs a set-point value from an higher rated flow and remains open for the entire shut-off period; in the...
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