Detailed product description Model: qjx series Flow rate: 80-600 m3/h (22.2-166.7l/s) Head: 20 to 210 m (65.6 to 688.9 feet) Max. Rotate speed: 3000 r/min Pump outlet dia.: 360mm, 450mm, 505mm Ph value: 6.5-8.5 Operating limits: 1, maximum ambient temperature: 20 deg c 2, maximum immerging depth for the first stage: 500mm (19.7 inch) 3, maximum hydrogen sulfide component: 1.5mg/l 4, maximum chloride ion: 400mg/l. Motor: 1. Rewindable motor 2. Voltage: 380v 3. Frequency: 50hz 4. Max. Power: 220kw Materials: cast iron, stainless steel Application: * applied to getting water from the river and lake, water supply and drainage for mine, the foundation and In wooden box or as your request.