• Rotating turret in the silo center, interconnected to a fix structure by a powerful bearing
  • One extraction screw driven by hydraulic system and gearbox installed in the turret
  • Extraction screw based on progressive pitch and fitted with peripheral milling-teeth
  • Drive system for the turret.


  • Suitable for:
    - large silos, up to 25 m diameter
    - materials difficult to extract, e.g. wet-fibrous-compact
  • Easy inspection and maintenance
  • Easy re-start ( even after a long stop ) with hydraulic drive
  • Excellent milling of the entire layer of material on the bottom of the silo
  • No demixing of the extracted flows
  • High efficiency and reliability
  • Low maintenance.
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