Submersible Sewage Pump; Capacity:7~2650 m3/h Head: 7~35m Pressure: ... from river, reservoir and aqueduct etc. ApplicationCQW (WQ) series sewage pump is mainly used for Municipal works, Industry buildings, Hotels,Hospitals ... Civilair defence; Mines etc. Trades to draw off the sewage, wast water, rain water andliving water in cities containing ... Density: 1200 kg/m3;PH: 5~9 WQ Submersible Sewage pump