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How to calculate NPIPA & NPIPR for PD pumps

  1. Nov 18, 2008 #1
    How do I determine NPIPA and NPIPR for PD oil pumps. I understand from limited research that suction condition is critical to the success of each application, but I do not know the formulas.
  2. jcsd
  3. Nov 19, 2008 #2


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  4. Nov 19, 2008 #3
    Thanks Fred. Article on testing PD pumps really helped.

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