Duke’s DSW Waste Water Pumps are high performance pumps designed for Sewage & Drainage water applications. The impellers are of Vortex, Open, closed types depends on the models and the impeller’s material too varies. Pumps with cutters available for heavy duty application for the water with solid foreign materials, those to be cut and pumped out. The HO7RNF lead-out cables are used for power supply. These pumps are available in rigid Cast Iron constructions to fight with aggressive waste water.