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Trade press article

Sizing Pumps and Pump Motors

Important considerations for your application

  • January 2022
  • Number of views: 3251
  • Article rating:

Gene Vogel
EASA Pump & Vibration Specialist

End users or service centers often need to specify replacement pumps or pump motors, sometimes involving a retrofit or re-application project. A successful outcome depends on accurate assessment of application requirements and a good understanding of the parameters that govern pump performance. The information here relates to rotodynamic pumps (centrifugal and axial flow impellers) and not to positive displacement pumps.

  • Pump ratings and power requirements
    • Sizing the pumps
    • Flow requirement
    • Head requirement
    • Cavitation
  • Sizing the Motor
    • Minimum power requirement
    • Maximum power requirement

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Tags: Pumps
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