Our all-rounder | screen change during run mode

Large chamber mill GDL


Large chamber mill GDL

Our all-rounder | screen change during run mode

Drive power
160 – 450 kW
Grinding chamber area
1.84 – 3.60 m2
Permissible weight
1950 – 2900 kg
Grinding chamber diameter
1200 mm
Sieve width
640 – 1250 mm

Technical details
  • Robust welded steel construction, symmetrical housing for operation in both directions of rotation.
  • Grinding chamber equipped with wear elements to protect the housing walls, easy to replace
  • Armored inlet flap with position switch for change of direction of rotation
  • Optimized impact zone with armored impact plates on both sides of the inlet for efficient size reduction
  • Debris catcher pocket inside the grinding chamber to protect the screens
  • Durable, optimized rotor design, dynamically balanced, run-down time < 6 minutes without brakes
  • Beater carrier system (cassette change): easy, quick beater change in a few minutes
  • Wide opening doors allow easy access to the grinding chamber
  • 6-piece screen basket system, depending on requirements and wear pattern, can be changed manually quickly and easily
  • Mill and motor unit can be separated, easier installation especially in confined spaces
  • Tested and certified in pressure shock resistant and flameproof design (0.4 bar)
  • Variable grain spectrum via variable beater circumferential speed (when using a frequency converter),
  • Sieve perforation and beater configuration; depending on requirements.
Machine types
GDL 12 GDL 20 GDL 25
Grinding chamber diameter (mm) 1200 mm 1200 mm 1200 mm
Screen width (mm) 640 mm 1000 mm 1250 mm
Grinding chamber area (m2 ) 1.84 m² 2.88 m² 3.60 m²
Dimensions and weights
Length x width x height (approx. mm) 2630 x 1600 x 1600 mm 3050 x 1600 x 1600 mm 3300 x 1600 x 1600 mm
Weight without motor (approx. kg) 1950 kg 2450 kg 2900 kg
Motor size (kW) 160 - 250 kW 250 - 355 kW 355 - 450 kW
Speed 50 Hz/60 Hz (rpm) 1500/1800 1500/1800 1500/1800
Speed with frequency converter 34-60 Hz 1000 - 1800 1000 - 1800 1000 - 1800

* Depending on motor size Measuring surface sound level < 88 dB (A) (under load)

Download data sheet

The all-rounder

Maximum throughput for ultra-fine grinding

Weizen und Maiskerne

The Hammer Mill GDL is designed for coarse grinding in the feedmilling industry, as well as for fine grinding in pet food and aqua feed production.

Specifically designed for efficient grinding: The special 6-axis rotor design with rapid-change beater-frame system plus optimized beater configuration in combination with beater tip speed guarantees maximum material contact for the efficient production of fine feed as well as coarser-products. The GDL Series comprises three sizes with a drive-power range beetween 132 and 450 kW.

Our projects with the product
Large chamber mill GDL
Johannesburg, South Africa
Grinding solution for pet foods boosts yields
Drayton, Canada
Good Feed, Good Food. Hammer mill for manufacturers of compound feed.
Our product
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These partners take advantage of
Large chamber mill GDL
Logo Mount Everest Breweries
Logo Agravis
Logo for farmers
Logo Bröring
Logo Trede & von Pein
Logo Una Hakra
Logo Champion Petfoods
Logo Peter Koelln

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