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Roller Mill 250.3

Designed to grind brittle to hard products to a narrow particle size distribution with minimal dust content.

The 250.3 series of one- two- and three-stage roller mills offers:

  • A continuous gap monitoring and adjustment system (patented)
  • High throughput
  • Dust-tight design
  • Minimal mechanical impact and temperature increase of product
  • Efficient energy initialization
  • Low space requirement
  • High durability of rolls
  • Easy access to all machine components
  • Easy roll exchange, low maintenance effort
  • Automatic gap control during the operation of the machine including:

        – Zero gap adjustment of the roll gap
        – Automatic opening of the roll gap to working width
        – Roll wear compensation
        – Adjustment of the rolls for parallelity
        – Compensation of roll expansion due to thermal influences

  • Optimal roll protection against foreign particles includes in the feed-stock
  • Direct roll drive via universal shaft and spur gear
  • Infinitely variable rpm
  • Dust-tight grinding chamber
  • Sampling sockets in each passage
  • Roll diameter: 250 mm
  • Roll length: from 500 to 1,500 mm
  • Drive Power: 22 kW to 30 kW
Model Range
ZWR 250.3 – one stage
VWR 250.3 – two stage
SWR 250.3 – three stage
  • Product specific feed units
  • Stainless steel for product contact parts
  • Aspiration connections
  • Temperature monitored roll bearings
  • Automatic roll bearing lubrication
  • Vibration monitoring
  • Potential compensation against static charges
  • Product specific roll materials and corrugations
  • Water cooled rolls
  • Inertization of the grinding chamber drive

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