Diaphragm Pumps in USA

D0903 3/4" Double Diaphragm Pumps

The D0903 is designed for handling light to medium viscosity fluid with high flow rates up to 120 liters per minutes.

Features and Benefits

  • High Flow rate, deliver up to 120 liters per minute, in a small portable package
  • Clean, hands-off fluid handling
  • Quiet running, up to 85dB with easy to use remote muffler capability for even lower noise levels


  • Drum transfer for fluids up 5000 cps
  • Circulation of low viscosity inks, stains and dyes
  • Waste fluid removal
  • Low viscosity adhesive supply
  • Cleaning fluids and detergents
  • Plating and dip tanks
  • Water treatment

Typical Fluid Handled

  • Waterborne paints
  • Solvent borne paints
  • Acid catalyzed varnishes, enamels and lacquers
Technical Data

Maximum Fluid Working Pressure 8.0 bar (116 PSI)
Maximum Flow Delivery 120 LPM (32 GPM)
Maximum pumpable fluid viscosity 5000 CPS
Maximum Air Consumption 1200 LPM
Maximum Suction Lift 8.3 m
Maximum size pumpable solids 2 mm
Air pressure operating range 1.5 – 8.3 bar
Air Inlet Size 1/2 pt
Fluid Outlet Size 3/4 pt
Fluid Inlet Size 3/4 pt