https://www.solarpumpfactory.net/product/sewage-pump/ The submersible sewage pump is used for the discharge of seriously polluted wastewater from factories and businesses, sewage discharge stations in residential areas, drainage systems of urban sewage treatment plants, drainage stations of civil air defense systems, water supply devices of waterworks, sewage discharge of hospitals and hotels, municipal engineering construction sites, exploration, mine supporting accessories, rural biogas digesters, farmland irrigation and other industries.It can also be used to transport granular sewage and sewage, as well as clean water and corrosive media.