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ZERMA GST 250/300

Size reduction of large-volume blow molded parts as well as start and end pieces

In a compact redesign, the best features of the proven GST and GSC series have been integrated, with special emphasis on weight, handling and energy efficiency.
These compact granulators are equipped with complete sound insulation, resulting in extremely quiet operation. The granulators are available with 250 mm rotor diameters and widths from 300, 450 to 600 mm. The curved rear wall of the cutting chamber ensures aggressive material intake and prevents material jams. As with all ZERMA granulators, the rotor and stator knives are adjustable outside the machine, reducing downtime for maintenance.
The highly tangential, curved rear wall of the cutting chamber, combined with the aggressive open rotor design, ensures reliable material pickup and minimizes the risk of jams.
The compact granulators are suitable for use in blow molding operations. They are suitable for recycling e.g. voluminous parts such as bottles, canisters, crates. Due to the low feeding height, the machines can be easily fed with material by hand or by a small conveyor belt. The low noise emission and the small footprint make the granulator a perfect solution for inline size reduction

Optional rear panel with higher stator knife M version:
The feed method with a higher positioned stator knife is better suited for thicker walled and more compact parts, such as injection molded parts, profiles, plates, etc. Due to the cutting geometry and the lower aggressiveness of the rotor, a high quality regrind is obtained regardless of the material type or shape, such as injection molded parts, profiles, plates, etc.

Control system and control panel:
The integrated control system and control panel not only comply with all applicable safety regulations, but can also be customized to meet specific requirements. In addition, peripheral equipment such as infeed conveyors, metal detection and unloading systems can be seamlessly integrated into the machine's control system. For improved efficiency, an optional intelligent energy saving function is also available that reduces power consumption during idle periods and can automatically start and stop the system based on the status of upstream machines.

Standard configuration with blower, power consumption 0.75 kW and 400 er cyclone

Rotor diameter (mm) 250
Iedop Sr Anspfx Ah Aeal
Rotor width (mm) 300
Drive (kW) 7.5
Number of rotor blades 3 x 1
Number of stator knives 2
Screen perforation (mm) > 6
Weight approx. (kg) 950
Feed opening (mm) 380 x 300
Feed opening option of M version (mm) 295 x 300

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