Description: Nominal speed (nN) is a suitable, rounded speed value for classifying the speed range; Name: nominal speed
Description: Number of revolutions of the pump in a given time required to meet the rated conditions ; Name: Rated speed
Description: NPSH-value required for a drop of 3 % in the total head of the first stage of the pump as a standard basis for use in performance curves; Name: Net positive suction head required for a drop of 3 %