Applications:This submersible water pump are uses for Well pumping,river pumping,farming irrigation,water supply and drainage in breeding industry and domestic use,etc Pump Materials: 1)Pump body:Cast aluminum 2)Mechanical Seal:Ceramic-Graphite,Silicon 3)Motor bracket: Cast Aluminum Or Cast Iron 4)Motor shaft:CS45# Or Ss420 5)Impeller: Cast Aluminum 6)Protection class: IPX8 7)Insulation class: E Working Conditions: Max.medium temperature: +40°C Max.ambient temperature: +40°C Max.working pressure: 5bar Power voltage:single phase AC 220V/50HZ,three phase AC 380V/50HZ