Description: Difference: NPSH reference plane and reference plane ; Name: height (npsh datum plane)
Description: Difference between the NPSH datum plane and the reference plane ; Name: Height of the NPSH datum plane
Description: measure of the increase in the pumped liquid water on a pipe connected vertically to the pump when the flow rate is zero. related to the operation of the pump at 1,450 rpm with maximum impeller size; Name: pump shut-off head for maximum impeller diameter at 1450/min