Operating parameters: 　　capacity :10-250 m3 / h, head: 5-121m, 　　diameter: 30 ~ 150mm, temperature: under 30 degree celsius Product Overview: 　　QS submersible pump is widely used in pump water from well for agricultural irrigation, the supply and drainage system of industrial and civil construction, water diversion for hills and mountains, the supply and drainage system of industrial and mining enterprises and other water conservancy facilities. 　　It is made of motor and pump. It has the advantage of simple structure, easy to installation and removal, small volume, safe and reliable operation without polluting the water and so on. Working conditions: 　　Power: 50 Hz, 380 V voltage (tolerance +5%, -10%) of the three-phase AC power. 　　Water: general non-corrosive water, sand content is less than 0.02%, PH value: 6.5 ~ 8.5. the water temperature is not exceed 40degree celsius The pump should be work in water which the submersible depth is not less than 0.5 meters. The motor must be full of water before work!