15kw 20hp Submersible Sewage Pump IP68 Stainless Steel Material 15kw 20hp submersible sewage pump is maximum flow is 250m3/h, however, head is low. Main material is cast iron and stainless steel. Our WQ sewage submersible pump is sewage pump developed on the basis of the introduction of foreign advanced technology. WQ series submersible sewage pump …