The DWW range of open impeller portables submersible pumps are designed for pumping waste water containing particles and impurities in industrial and domestic applications. They feature cast iron impellers and pump bodies, double mechanical seals, NBR oil seals and stainless steel strainers and are supplied with 10m of cable. Single phase pumps up to 1.5kW are supplied with level switches for automatic operation while 3 phase pumps require external switching control.