The power package for maximum throughput and quick screen change

Large chamber mill GDL

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GDL

Large chamber mill GDL

The power package for maximum throughput and quick screen change

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

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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
Sieve 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* (approx.)	2630 mm	3050 mm	3300 mm
Width (approx.)	1600 mm	1600 mm	1600 mm
Height (approx.)	1600 mm	1600 mm	1600 mm
Weight without motor	1950 kg	2450 kg	2900 kg

Drives 1500 1/min, 50 Hz - Speeds between 1000 and 1800 1/min (34-60 Hz)
Power range	160 - 250 kW	250 - 355 kW	355 - 450 kW

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

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Weizen und Maiskerne

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. Large capacity mill for manufacturers of compound feed.

Our Services

For your success

Maintenance concepts

Individual maintenance concepts are an integral part of Tietjen customer support. Through regular inspection and maintenance, our service staff reduce the risk of breakdowns and ensure the longevity of your plant.

Wartung einer Muehle

Service readiness

Our objective is to keep your production downtime as low as possible. This is why our service employees in the customer service department also work on weekends. We give it our best, 365 days a year.

Schlaeger

Replacement parts

Our objective is to keep your production downtime as low as possible. This is why our service employees in the customer service department also work on weekends and holidays. We give it our best, 365 days a year.

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