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AT70 Series Feeder

Orbetron’s volumetric twin screw feeder AT70 is ideally suited for dosing powders, granulates, regrinds, fibers, and flakes in continuous and batching process.

Orbetron’s feeder has a compact modular design that gives the operator the flexibility to meet changing process requirements. Volumetric feed rates range from 2 to 285 cubic feet per hour. The horizontal agitator constantly keeps material in motion, thus eliminating bridging and maintaining consistent screw fill. All material contact surfaces are manufactured from corrosion-resistant stainless steel. All materialcontact surfaces are manufactured from corrosionresistant stainless steel.


  • Compact feeder and gearbox design
  • High modularity for easy dismantling and cleaning
  • Horizontal material outlet discharge
  • Tool-free change of the feeder screw
  • Applicable for twin screw, auger, and concave screws
  • All material contact metals are stainless steel 1.4404(ASI316L)
  • Mechanical gearbox with lifetime lubrication
  • 750 W DC motor (3000 rpm) withspeed control in protection class IP 54or up to 2,2 kW AC motor
  • Operating and material temperature-20..60°C
  • Gearboxes in the sizes of 15:1, 28:1, STD
  • Weight without accessories 75 kg
  • Color outside light grey


  • Gravimetric and volumetric controls
  • Hopper extension modules, and special hoppers available on request
  • Removable vertical outlet tube
  • Counterbearing for very poor flowing or heavy
  • materials
  • Different color on request
  • FDA certification: FDA CFR 21 #178.3570
  • ATEX Zone inside 3D T140°C, 2D T140°C,
  • 2D T140°C/2G T4, 1D T140°C/2G T4