Series AW

Wide Chamber Mill – Series AW

Wide Chamber Mills have been designed for the disintegration of moist and wet wood. The mills comminute soft and hard wood of a feed size of standard G50 wood chip and a water content of 60% in one step to a fineness required for pressing pellets.

The AW series comprises of four sizes and a range between 75 and 250 kW for the drive.

Technical Details

  • Symmetric housing, allows operation in both directions
  • Swiveling inlet flap with proximity switches to change sense of rotation
  • Large size enforced impact plates, exchangeable
  • Foreign body trap inside the grinding chamber, easy to clean
  • Two-segment sieve with chain tensioning system, exchange single elements when worn
  • Change screens while machine has stopped
  • Automatic door locking system with stand still monitor
Mill sizeW 400 CW 700 CW 1000 CW 1200 C
Diameter of grinding chamber (mm)680
Width of screen (mm)40076010001250
Grinding chamber (m²)0.601.101.501.80
Drive 3000 rpm, 50 Hz (speed between 1200 and 3600 rpm (20-60 Hz) allowed)
Maximum motor size(kW)bis 75bis 132bis 200bis 250
Typical motor size (kW)75110160200
Dimensions and Weights
Length* (approx. mm)2250271029503150
Width (approx. mm)1665166516651665
Height (approx. mm)1150115011501150
Weight without motor (kg)1150170019502250

* depends on motor size


Standard scope of Supply

  • Two part base frame
  • Flexible coupling with protection hood
  • Vibration dampers
  • Sealing for mill outlet
  • 1 set of beaters, fitted in the mill
  • 2 sets of screens, 1 set fitted in the mill
  • 1 set of special tools
  • Multi-layer coating, choice of color RAL 7032 (pebble grey) or RAL 1015 (ivory)



  • Drive motor B3 with integrated PTC sensors
  • Bearing temperature control system according ATEX regulations
  • Mill temperature control system according ATEX regulations
  • Underpressure controller for grinding chamber (vacuum controller)
  • Mill body and rotor made of stainless steel 1.4301/AISI304
  • Explosion protection: Explosion pressure shock resistant and flame penetration proof design to meet ATEX regulations

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