ISW centrifugal pump 1.Working steadily. Low vibration. 2.Low noise,high quality components. 3.Wide range applicability. ISW Series Centrifugal water pump can ... 75-37kwStandard data and equipment:single phase 220V/50hZ,NORYL impeller,carbon steel motor shaft, with terminal protector inside.Others ... phase,110V,60HZ,dual voltage,stainless steel shaft,brass impeller,etc,will be available upon request.