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Jaw Crusher BB 250

Jaw Crusher BB 250

Retsch | Sample Preparation - Inorganic

The Jaw Crusher BB 250is used for the rapid, effective crushing and pre-crushing of medium-hard, hard, brittle and tough materials.

For small amounts of sample the BB 250 is usedbatch-wise; for larger amounts it can be operatedcontinuously. Control of the gap width and zero point adjustment allow for reproducible results.

Thanks to the modular construction of housing and frame this jaw crusher is suitable for a wide range of applications.

Application Examples

alloys, basalt, cement clinker, ceramics, chamotte, coal, coke, construction materials, feldspar, glass, granite, minerals, ores, oxide ceramics, quartz, rocks, silicon, slag, ...

Product Advantages

  • high crushing ratio
  • front door facilitates cleaning
  • infinite/continuous gap width setting
  • overload protection
  • wide range of materials for contamination free grinding
  • no-rebound feed hopper, removable
  • sample collector with safety switch
  • collecting receptacle with outlet for continuous operation
  • connector for dust extraction
  • special version with automated sorting of undersize (3 fractions) and oversize (1 fraction)


Applications coarse and pre-crushing
Field of application chemistry / plastics, construction materials, engineering / electronics, environment / recycling, geology / metallurgy, glass / ceramics
Feed material medium-hard, hard, brittle, tough
Size reduction principle pressure
Material feed size* < 120 x 90 mm
Final fineness* < 2 mm
Material of grinding tools manganese steel, stainless steel, tungsten carbide, steel for heavy-metal free grinding
Jaw width 120 x 90 mm
Gap width setting 0 - 30 mm
Gap width display scale
Zero point adjustment yes
Wearing rate display yes, up to minus 10 mm
Removable hopper yes
Dust extraction unit yes
Central lubrication -
Process line version optional
Collector capacity 10 l
Base frame vario frame (adjustable for continous crushing)
Drive 3-phase motor
Drive power 3.0 kW
Electrical supply data different voltages
Power connection 3-phase
Protection code IP 55
W x H x D closed 695 x 1399 x 719 mm
Net weight ~ 350 kg

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