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Measuring pressure across a centrifugal pump

  1. May 21, 2012 #1
    This should be an easy one but here goes...

    I am trying to easily measure flow rate in a pipe which has an in line centrifugal pump (Grundfos UPS 25-60) creating the head in the system. I have been told that installing a pressure guage before and directly after the pump will give me system flow rate from a look-up table. Is this the case?

    My recolection is that you need some kind of orifice plate in the flow and between the two gauges to get a useful reading.
     
  2. jcsd
  3. May 21, 2012 #2
    If you have the head flow curve for the pump you can calculate the head from the DP across the pump and from that look up the flow.
     
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