... power,coal ,petrol and etc.Features and applications:PW type pump is single-stage, single-suck, ... enterprises excluded the use of sewage.Performance of PW Series Swage Pump TypeCapacity QHead H(m)Speedn ... (r/min)Power N(KW)efficiencyη (%)Hs(m)Impeller diameterD(mm)weight( ... welcome your inquiries and to visit our factory! PW series centrifugal sewage pump,high efficiency water pump ...