ANSI/HI 9.6.3-1997 Rotodynamic Pumps – Guideline for Operating Regions
This version of the standard has been superseded. PDF copies remain available for purchase.
Overview:
This standard defines the preferred operating region (POR) for rotodynamic pumps based on pump specific speed. Additionally, factors that are considered in the setting of the allowable operating region (AOR) are detailed, and the effects of operating away from the pumps best efficiency point (BEP) are discussed.
This standard applies to all rotodynamic pump and markets. It aids the specifying engineer and pump system designer to design a design the system and select pumps that will operate efficiently and reliably. The pump end user should reference this standard to be aware of the impact of operating the pump away from it’s BEP.
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