... , light weight, wear-resistant, energy saving, beautiful appearance, easy maintenance WQP series stainless steel submersible sewage pump uses ... 3, material corrosion resistance of this product:Three, WQP stainless steel submersible pumps sewage conditions of use1, the ... impeller, vibration, smooth rotation.2, motor: specially designed submersible motor, F class insulation IPX8 protection, allowing ...