ANSI/HI 9.6.3-2012

This guideline applies to rotodynamic (centrifugal and vertical) pump types. It describes the effects of operating a rotodynamic pump at rates of flow that are greater or less than the rate of flow at the pumps best efficiency point (BEP).

This product replaces:ANSI/HI 9.6.3 (M120) - Centrifugal and Vertical Pumps - Allowable Operating Region