International Processing Trade Fair for Powder, Bulk Solids, Fluids and Liquids

26 - 28 September 2023 // Nuremberg, Germany

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Exhibitors & Products POWTECH 2023
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CPC Sizer


CPC Sizer

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CPC Sizer


  • Coarse size reduction of medium-hard and soft material (salt, coal, phosphate, clay etc.)
  • Throughput up to 4.000 mt/hr, depending on material characteristic and particle size
  • Feed material size up to 1.500mm, product particle size to 300 mm possible
  • Design of crushing teeth according to the material requirements (number, size, position, form, hardness)
  • Integration of Sizers in semi-mobile plants possible

Mode of operation

  • Crushing of the feed material by the two counter-rotating rolls, either between inwards rotating rolls (Center Sizer) or between the outwards rotating rolls and the lined housing walls (Side Sizer). Successive comminution of larger lumps
  • Fine feed material passes the rolls unhindered
  • Typically the Center Sizers are employed for pre-crushing, Side Sizers for medium-crushing
  • No clogging of the rolls by sticky material due to specifically designed scrapers
  • Final product with small portion of fines due to limited speed of the rolls


  • Very long lifetime due to the weld-on hard facing of the crushing teeth
  • Crushing teeth in a spiral on the shaft equalizing torque peeks
  • Segment plates with the crushing teeth: no dismantling of the complete roll
  • Bolting or clamping of the segment plates on the shaft. Typically massive shafts
  • Inclined side walls of the Side Sizers reduce the blocking tendency
  • Reduced maintenance due to motor/gear unit drive. Speed control and overload protection installed
  • Stainless steel housing elements in contact with product where required
  • Automatic central greasing of the shaft bearings
  • Design of the discharge seal for easy and quick movement to a maintenance position
  • Local Operating Panel (LOP) with PLC. Communication interface to the plant control units available

POWTECH offers concrete solutions for packaging-intensive industries. Industry guide


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