Single-stage centrifugal pumps with bearing housing, depending on the design of the pump impeller and the implementation of the material used for pumping clean water, contaminated, sewage and industrial and other media on the corrosion resistance of materials used for construction of the pump. These pumps are widely used in plumbing, heating, cooling, fire hydrant and other industrial plants in the economy of wastewater, energy, metallurgy, chemical and petrochemical industries.