Description: Design flow rate in the pump outlet nozzle divided by the outlet cross-section of the pump; Name: mean design speed in the outlet
Description: rated flow at pump outlet connection divided by the inlet area of the pump; Name: mean rated velocity at outlet
Description: average speed given by the stroke length multiplied with the number of complete pumping cycles of the piston, plunger or piston attached to the diaphragm per minute (stroke per minute or pump crank speed); Name: piston velocity