The DD series are push-pull, lever operated, double diaphragm, hand-pumps for drainage and transfer of dirty water containing solids, oils etc. They are available as fixed or portable units. The fixed versions have mounting flanges and 380mm long levers. The portable versions have base-plates, strainers, hose clips and 600mm long levers. They have nitrile diaphragms which will work well with white and red diesel, but for longevity (and use with bio-diesel) higher acetonitrile diaphragms can be fitted (at an extra cost). 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.