The DD series are push-pull, lever operated, double diaphragm, hand-pumps for drainage and transfer of dirty water containing solids, oils etc. They have a cast aluminium construction, nitrile diaphragms and are available as fixed or portable units. The fixed versions have mounting flanges, stainless steel fastenings and 380mm long levers. The portable versions have cast aluminium base-plates, stainless steel fastenings with hand-wheels (for ease of access to the pump chamber), strainers, hose clips and 600mm long levers. At an extra cost, for the pumping of red or white diesel and bio-diesel, a higher acetonitrile diaphragm can be fitted. Viton®, Butyl or Neoprene diaphragm can be fitted for compatibility with chemicals*, also at an extra cost.
*We strongly recommend that you provide our Sales Department with written details of your application so that the correct selection can be made.
--- For pump specifications, please see table provided ---