Handling systems

Screw extractors

The most economical unloading system for grain hoppers, silos and chambers.
Rotation speed may be adjusted as required to guarantee appropriate grains treatment.
Capacity range from 20tn to 150tn/h.

Technical characteristics

  • Duct body made up by detachable modules according to extractor length.
  • Loading regulation valve, operated by wheel, pinion and rack.
  • Screw with reinforced external edges (left turning).
  • Duct with flange to be attached to silo.
  • Holding support.

Special features

  • Alloy tempered steel screw and duct body for severely abrasive work conditions.
    Normal operation
  • Electric motor with V belt drive and gearmotor.
  • Electric motor with V belt drive and chain drive.
  • Germotor and chain drive.
Model Capacity m3/h Capacity tn/h wheat rpm
144 25 20 350
144 38 30 480
182 38 30 260
182 50 40 350
198 50 40 260
198 75 60 380
230 75 60 260
230 100 80 350
250 100 80 260
295 100 80 160
295 125 100 200
295 150 120 250
345 150 120 145
345 190 150 180