WQD series submersible sewage pump consists of three components, water pump, sealing and electrical motor. The motor is mounted on top of pump and divided into single phase and three-phase asynchronized types. Double-face mechanic sealing is mounted between pump and motor. O shaped oil-proof rubber sealing ring is used at each stationary port as static sealing. This series features :the mechanic seals for the key parts are made of hardened alloy and excellent silico carbide and characterized by good anti-corrosion, anti-leadage and highly durable performances etc. Main Technical Data: Model: WQD8-10-0.55 Rated Flow: 8m3/h Rated Head: 10m Power: 0.37/0.55/0.75kw Speed: 2860rpm