S,OS,TTS series double suction pump are widely used in water supply,also it can be used in power plant to supply the cycle water,this type pump has a large capacity the capacity can from 200m3/h to 8000m3/h,head can up to 200m,the material can be cast iron cast steel or stainless steel, the shaft seal can be mechanical seal,it can be driven by electrical motor or steam turbine,the type can be 200S63,250S39,250S65,250S90,300S19,300S58,300S90,350S16,350S26,350S44,350S75,350S125,500S22,500S35,500S59,500S98,600S22,600S32,600S47,600S75,600S100,800S22,800S32,800S59,TTS400-13,TTS400-9Z,TTS400-19,OS600-540,OS600-830 etc.