Description: largest value of the pump efficiency related to given operating conditions; Name: best eff (pump)
Description: Greatest value of pump efficiency obtained at given operating conditions ; Name: Pump best 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 2,900 rpm with maximum impeller size; Name: pump shut-off head for maximum impeller diameter at 2900/min