... water pump: Pump body:cast iron Pump support:cast alu shell Impeller:brass/alu/plastic impeller, CPM series centrifugal pumps are electric water pump ... phase 220V/50Hz, brass impeller, carbon steel motor shaft, with terminal protector inside. Other model and material such ... three phase, 110V/60Hz, dual voltage, stainless steel shaft etc, will be available upon request. MODELPOWERMAX.FLOWMAX.HEADMAX ...