Description: Revolutions per minute (abbreviated rpm, RPM, rev/min, r/min, or with the notation min ) is the number of turns in one minute. It is a unit of rotational speed or the frequency of rotation around a fixed axis.; Name: rotation frequency
Description: Number of revolutions of the pump in a given time required to meet the rated conditions ; Name: Rated speed
Description: amount of the absolute value of the total head above the head, equivalent to the vapour pressure of the liquid at the particular temperature, with reference to the NPSH datum plane; Name: net positive suction head