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This standard defines "Preferred Operating Region" and "Allowable Operating Regions for centrifugal pumps. The following factors are addressed that effect the life of a pump: temperature rise, seal life, noise, shaft fatigue, casting throat velocity thrust reversal, bearing life, vibration, internal mechanical contact, horsepower limit, NPSHA margin, and suction recirculation.
 

Document History

  1. HI 9.6.3-2017


    Rotodynamic (Centrifugal and Vertical) Pumps - Guideline for Allowable Operating Region

    • Most Recent
  2. HI 9.6.3-2012


    Rotodynamic (Centrifugal and Vertical) Pumps - Guideline for Allowable Operating Region (ANSI/HI 9.6.3 - 2012)

    • Historical Version
  3. HI 9.6.3 (M120)

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    Centrifugal and Vertical Pumps - Allowable Operating Region

    • Historical Version