Robust vertical shaft submersible pump in cantilever design with suction from the bottom and bearings arranged outside of the fluid handled. Design with open and closed impeller for best efficiency and maximum free passage. Wear parts of wetted pump components (casing, impeller, suction cover / liner) made of white cast iron with a high chromium content and therefore very wear-resistant. The maximum permissible working pressures are between 7 and 11 bar, depending on the pump size. Perfectly suited for transporting fluids containing hardly to slightly abrasive solids. Ideal for sludges, classes 1 to 2.