... resistant, energy saving, beautiful appearance, easy maintenance WQP series stainless steel submersible sewage pump uses a unique single, double channel ... 3, material corrosion resistance of this product:Three, WQP stainless steel submersible pumps sewage conditions of use1, the medium ... with a cable (or a rope)5, the motor housing: housing, pump cover, motor casing composed of gland, connecting with ...