S型双吸离心泵是一种卧式单级双吸中开式离心泵，这种水泵用于输送清水类物质，输送的物质固体颗粒杂质直径不能超过10mm，含量不能超过5%，适应于工业和城市给排水泵，可作为工厂、城市、电站、水利工程、农田灌溉等排水或给水用泵。水泵输送的介质温度不能超过80°，入口压力不能超过0.6Mpa。
S-type double suction centrifugal pump is a Horizontal single-stage double suction open type centrifugal pump, which is used to transport clear water materials. The diameter of solid particles and impurities transported shall not exceed 10 mm, and the content shall not exceed 5%. It is suitable for industrial and urban water supply and drainage pumps, and can be used as drainage or water supply pumps for factories, cities, power stations, water conservancy projects, farmland irrigation, etc. The medium temperature delivered by the water pump shall not exceed 80 ° and the inlet pressure shall not exceed 0.6MPa.