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: indication of the minimum flow rate at which the pump can still be operated without problems. related to pump operation at 2,900 rpm; Name: minimum feed flow at 2900 / min