Description: determined power loss of the pump due to gap currents; Name: Power loss due to splitting
Description: determined power loss due clearance flows; Name: power loss due to internal leakage
Description: measure of the increase in the liquid to be pumped, water, on a pipe connected vertically to the pump when the flow rate is zero. related to the operation of the pump at 2,900 rpm with the current impeller size; Name: pump shut-off head for actual impeller diameter at 2900/min