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Dos GP Gear Pump Dispensers
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DOS GP Gear Pump Dispensers
Gear pump dispensers are volumetric dispensers specifically designed for the continuous application of low to high viscosity potting materials. Application options include applying sealing beads to component housings or applying adhesives as part of joining processes.

The gear pump dispensers used in this case are exterior gear metering pumps that operate on the principle of displacement. They consist of a housing with material feed and outlet lines as well as two gears, one of which is connected with the pump drive. The drive of the second gear operates by way of the meshing of the first gear drive. The potting medium is drawn into the inlet with the help of the rotating gears, is conveyed through the pump on the outer side of the gear, and is then discharged on the outlet end. The amount of material discharged is determined by the tooth and gear geometry, the number of gears and the set rotational speed.
Dos GP systems are the first choice for applications requiring 1C, high viscosity, unfilled, non-abrasive potting material, making them the best choice for applying continuous beads. The dispensing process is absolutely continuous and consistent. A special swivel needle is also available for DOS GP gear pump dispensers to handle 2D/3D contours. These systems work fast and accurately – even on complex workpiece geometries.


  • Seamless bead application of large material quantities
  • Swivel needle (optional) allows for the application of contours on steep slope angles
  • Fast and even application - even at high inlet pressure



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