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


  • Suitable for:
    - size silos, up to 15 m diameter
    - materials difficult to extract, e.g. wet-fibrous-compact
  • Excellent milling of the entire layer of material on the bottom of the silo
  • No demixing of the extracted flows (excellent for SL & CL to avoid panel blows)
  • High efficiency and reliability
  • Low maintenance.
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