WQ series submersible sewage pump is a single-stage, single suction, centrifugal pump and motor structure, integrated into the water to work, suitable for conveying 80 DEG C, all kinds of sewage containing solid granules and long fiber in a liquid, such as city sewage, industrial wastewater, sewage, construction of coal water and rainwater, silt, mixture proportion the transported medium is generally not more than 1.1, the pH value between 5~10, there are special requirements can be customized. The motor insulation grade is F, the protection level is IP68, with reliable conversion current, allowing the pump to connect, cut off, adjust the current in a short time, etc., the electrode adopts jacket structure, the transmission medium through the jacket to cool the motor.