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