Description: This is the result of dividing the flow rate measured in the pump outlet nozzle by the outlet cross-section of the pump; Name: mean speed in exit
Description: measured rate of flow at pump outlet connection divided by the outlet area of the pump; Name: mean velocity at outlet
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 %