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Primary Size Reduction with Jaw Crushers

Primary Size Reduction with Jaw Crushers

Product Code:BB 50, BB 100, BB 200 et BB 300

Need more Info? (514) 354-2511 - 1-800-463-4363

RETSCH jaw crushers are used for the rapid, gentle crushing and pre-crushing of medium-hard, hard, brittle and tough materials. Many unique details ensure safe and convenient operation and guarantee representative sample preparation every time.

RETSCH offers a range of suitable mills for the pulverization of medium-hard, hard, brittle and tough sample materials:

Ball mills Mortar grinders Vibratory disc mills
RETSCH ball mills and mixer mills are particularly suitable for pulverizing hard and brittle materials with a maximum feed size of 6 to 10 mm. They can achieve grind sizes down to 0.001 mm. RETSCH mortar grinders are used to grind soft, hard and brittle materials to a fineness of approx. 0.01 mm. The maximum feed size is 8 mm. RETSCH vibratory disc mills for medium-hard, brittle and hardtough materials with feed sizes up to 15 mm achieve grind sizes down to 0.04 mm. This makes them ideally suited for sample preparation to spectral analyses. RETSCH disc mills achieve grind sizes of approx. 0.1 mm.


The main areas of application for jaw crushers are:
  • Ceramics and glass
    glass, oxide ceramics
  • Construction materials
    basalt, bricks, cement clinker, chamotte
  • Environmental analysis
    construction waste, soil
  • Materials research
  • Mineralogy and metallurgy
    alloys, coal, coke, feldspar, granite, ores, quartz, rocks, silicon, slag

and many more...


RETSCH jaw crushers are used for the rapid, gentle crushing and pre-crushing of medium-hard, hard, brittle and tough materials. The variety of materials offered, their efficiency and safety make them ideal for sample preparation in laboratories and industrial plants. Typical sample materials include rocks, minerals, ores, glass, ceramics, construction materials, brittle metal alloys, slag, resins and many other hard and brittle substances.
Free test grinding
For RETSCH, professional customer service includes offering our customers the individual advice they need to find the best possible solution for their sample preparation task. To achieve this our application laboratories process and measure samples free-of-charge and provide a recommendation for the most suitable method and instrument.


Exemples d'applications
Application Model Breaking
Asphalt BB 300 Manganese steel 1 mm 130 mm 3,000 g 1 min 4 mm
Concrete BB 200 Stainless steel 1 mm 70 mm 900 g 1 min 2 mm
Drilling cores BB 300 Manganese steel 1 mm Ø 120 mm x 250 mm 7,000 g 2 min 2 mm
Enamel BB 200 Stainless steel 1 mm 90 mm 4,000 g 2 min 2 mm
Ferro Alloys BB 300 Stainless steel touching 70 mm 300 g 1 min 5 mm
Glass BB 50 Zirconium oxide 0.1 mm 30 mm 250 g 2 min 0.5 mm
Pig iron pellets BB 200 Tungsten carbide 5 mm Ø 40 mm one pellet 5 min 5 mm
Shale BB 200 Stainless steel 4 mm Ø 50 mm x 200 mm 16,500 g 6 min 10 mm
Slag BB 50 Tungsten carbide 1.5 mm 30 mm 280 g 20 sec 2 mm
Silicon BB 200 Tungsten carbide 4 mm 90 mm 3,000 g 2 min 7 mm
Stones BB 100 Stainless steel 2 mm 40 mm 500 g 2 min 4 mm


Benefits at a glance
  • Compact, space-saving benchtop instrument
  • High final fineness (d90 <0.5 mm)
  • Variable speed from 550 to 950 min-1
  • Digital gap width and speed display
  • Direction reversal
  • Zero-point adjustment for wear compensation
  • Breaking jaws in 5 different materials
  • No-rebound feed hopper
  • Maintenance-free


Performance Data BB 50 BB 100 BB 200 BB 300
Applications coarse and pre-crushing
Feed material medium-hard, hard, brittle, tough
Material feed size* < 40 mm <50 mm <90 mm <130 mm
Final fineness* d90 <0.5 mm d90 <4 mm d90 <2 mm d90 <5 mm
Collector capacity 3 litres 2 litres 5 litres 27.5 litres / 35.4 litres
Throughput* 3 litres/batch 200 kg/h 300 kg/h up to 600 kg/h
Gap width setting 0 – 11 mm 0 – 20 mm 0 – 30 mm 1 – 40 mm
Speed (at 50 Hz) 550 – 950 min-1 275 min-1 275 min-1 253 min-1
Gap width display digital analog analog analog
Zero point adjustment yes yes yes yes
Hinged hopper yes yes yes yes
Connection for dust extraction yes yes yes
Central lubrication greased for life lubrifié à vie yes yes
Process line version available yes yes
Wearout warning notice yes
Technical data
Power consumption 1100 W 750 W 1500 W 3000 W
Dimensions (W x H x D) 420 x 460 x
560 mm
320 x 960 x
800 mm
450 x 1160 x
900 mm
670 x 1450 x
1600 mm
Net weight approx. 79 kg approx. 137 kg approx. 300 kg approx. 700 kg approx.
Noise values (Noise measurement according to DIN 45635-31-01-KL3)
Emission value with
regard to workplace **
71,1 dB(A)
90 dB(A)
84 dB(A)
81,5 dB(A)
* Depending on feed material and instrument configuration/settings
** Measuring conditions on request


Convertisseur d'unités