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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