Description: pump power output divided by the pump power input; Name: efficiency (pump)
Description: proportion of the pump power input, p, delivered as pump power output, pu, at given operating conditions; Name: pump efficiency
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 1,450 rpm with the current impeller size; Name: pump shut-off head for actual impeller diameter at 1450/min