Dual roller crusher (dry granulator) for the preparation of granules.


Dual Roller Crusher (Dry Granulator)

The stainless steel DG-Dual Roller Crusher (Dry Granulator), with its helical twin shaft arrangement is used for preparation of granules starting from slugs, tablets and pellets. Through its unique design, it offers an optimal crushing/granulation performance and relatively low powder content.

DG attached directly to UAM

DG attached directly to UAM

Operation Mode

For crushing and granulation, two massive helically threaded stainless steel rollers generate a high pressure through their outward rotation toward the side chicks. The spiral grooves on the rollers create a powerful feed mechanism, which forces the material towards the breaking combs at the side chicks. The DG Dual Roller Crusher (Dry Granulator) can be directly attached to the UAM Universal Motor Drive, which provides a flexible, stepless speed tuning.


» Powerful & compact
» Good particle size distribution
» GMP compliant


» Versatile application for crushing & granulating
» Low fines, used for a wide range of solids
» Corrosion resistant, medical & food grade contact parts

Application Specifications

Parameter Specification
Operation principle »      Outward granulation through breaking combs

»      Inward crushing for big objects

Process range Dry crushing granulation of solids
Feed characteristics Pellets, slugs, tabs, tablets
Range of applications Pharmaceutical, herbal & alternative medicine, chemicals & fine chemicals, food, agriculture, cement & ceramics, cosmetics and detergents, paints & dies

Technical Specifications

Parameter Specification
Production output Up to 20 kg/h

Depends on feed properties, instrument and process parameters

Roller speed 50 – 450 rpm
Safety guard Protective grid
Instrument dimensions Approx. 250 x 200 x 350 mm (width x depth x height)
Packaging dimensions Approx. 410 x 410 x 410 mm (width x depth x height)
Net / Gross weight Approx. 14 / 17 kg

We reserve the right to make technical changes without any prior notice.

Included in the Standard Scope of Supply

The DG (part. no. 40-01360) comes with the following standard scope of supply:

  • Protective Grid


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