SIA’s 6″ series submersible pumps are manufactured from corrosion resistant AISI-304 stainless steel on all major pump components. The optimal design of the impellers and diffusers allows a better hydraulic efficiency. The built-in check valve prevents backflow and reduces the risk of water hammer. High durability and hygiene, good abrasion resistance. Easy assembly and high axial thrust resistance. Extremely durable, water lubricated bearings. All installation dimensions of the pump comply with NEMA standards.