Submersible sewage pump Technical parameter: Model: qwb, Discharge: 5 to 6000 m3/h (1.4-1666.7l/s) Lift head: 6 to 80 m (19.7- 262.5 feet) Max. Rotary speed: 2900 r/min Pump outlet diameter: 50-600mm (2-23.6 inch) Temperature: -5 to +50 deg. C Maximum system pressure: