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: mean velocity of the flow through the valve seat at the specified operating conditions; Name: valve seat velocity