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Rugged high precision metering head with variable mix ratio for manual and automated dispensing application

The DOI is a volumetric metering head with gear pumps, designed to work with one- or multi-component non-abrasive materials of medium to high viscosity. It meters and mixes with high precision at different flow rates, keeping a constant mix ratio thanks to the real-time interpolation of the driving motors. 

The mechanical construction made of wear&tear resistant steel is rugged and reliable, also thanks to the lubrication system of the gear pump axle seals and the diaphragm valves for anti-dripping protection; pressure sensure for material feeding and stepper motors with enclosed loop controllers make the DOI a leader in precision and repeatability.

Usage and Materials:

  • One-, two- or multi-component silicones, polyurethanes, epoxies
  • Medium to high viscosities
  • Non-filled to highly filled and non-abrasive materials
  • Suitable for moisture sensitive materials

Equipment features:

  • Stepper motors driven with closed loop encoders
  • Material pressure sensor
  • Diaphragm valves for anti-dripping protection
  • Lubrication system of the gear pump axle seals
  • Control unit "Industry 4.0" ready