Wilo SPU X4 MOTORS

Fully submersible, multistage pump motor with radial or semi-axial impellers with a shroud design for vertical or horizontal installation, with built-in non-return valve. Corrosion-resistant single-phase or three-phase AC motor for direct starting with oil filling, equipped with a sand guard and mechanical seal, as well as self-lubricating bearings. The motor is cooled by the fluid. Therefore, the unit must always be immersed when operated. A cooling shroud is required for horizontal installation. For pumping water out of boreholes with a maximum immersion depth of 200 m and a maximum sand content of 150 g/m^2