WQD submersible sewage water slurry pump This is an electric sewage pumping machine, submersible water pump for waste water drainage in factories,construction. Mine drainage, made of cast iron materials, pure copper motor,high lift , large flow,anti-blocking,with strong power . Maximum operating depth: 0.5~100m Maximum medium temperature: +40ºC Liquid pH value: 4~10 Max. Liquid density: 1.2*10³kg/m³ …