Every Wilo Submersible Borehole Pump has an integrated non-return valve. All parts in contact with the fluid are made of corrosion-free materials. Motor is corrosion-free single-phase or three-phase for direct starting. These Borehole Pumps are suitable for the following applications: For water and potable water supply from boreholes and rainwater storage Process water supply For municipal water supply, sprinkling and irrigation Pressure boosting Lowering the water level For pumping water in industrial applications For pumping water without long-fibre and abrasive constituents