Recent content by jaybikes

  1. J

    How to calculate NPIPA and NPIPR for positive displacement oil pumps

    Thanks Fred. Article on testing PD pumps really helped. Jay
  2. J

    How to calculate NPIPA and NPIPR for positive displacement oil pumps

    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.