Specially designed for blow- and injection molding
All machines in the GST series feature a compact soundproofed enclosure and sound dampening hoppers. The granulators are available in two rotor diameters, 250 and 400 mm with widths ranging from 300 to 1000 mm. While the smaller machines feature an open F rotor the bigger machines rely on a heavier S rotor. The curved backwall of the cutting chamber ensures an aggressive ingestions while also avoiding blockages. The rigid design makes them dependable units and includes advanced standard features such as replaceable wear plates. As on all ZERMA granulators the rotor and stator knives are adjusted outside of the machine to reduce downtime for maintenance.
The compact inline granulators of the GST series are primarily designed for use in blow moulding applications to recycle voluminous parts such as bottles, canisters and crates, as well as blow molding flush and injection sprues. The low feeding height makes them suitable for both hand and conveyor feeding of these parts. The low noise level and small footprint makes them the perfect fit for inline recycling operations.
Soundproofed chamber and hopper
Aggressive infeed and curved backwall
Large screen area
Knives are adjusted ourside of the machine
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The name ZERMA comes from the German word zerkleinerungsmaschinen, meaning crushing machine. Since the company was founded in 1943, this has remained our mission.
ZERMA has traditionally focused on the development and production of size reduction machinery for the plastics industry. However, today ZERMA has expanded into related industries such as tire recycling, e-waste and wood recycling. Our core strength lies as a machinery and component producer. As such we are an ideal partner for systems integrators and OEM projects.
We remain committed to the improvement and development of size reduction machinery. The ZERMA product consists of three main machine types; granulators, shredders and pulverizers.
Our granulator product lines cover a full range of sizes and applications. We start from the slow speed, beside the press models of the GSL Series, and the compact soundproofed granulators of the GSC Series. These machines are commonly used in injection, blow molding, and extrusion applications. The large GSH Heavy Duty Granulators are also used in these applications as well as high throughput operations and demanding post consumer recycling.
Our second machine category is the Zerma Single Shaft Shredders. Again, we are able to cover a wide range of applications. We offer the small ZBS Series for purgings, the ZSS and ZIS Series for general applications, and the ZXS Series to achieve high throughputs. Our shredder offering also includes the ZWS Series for wood and regenerative fuels.
An important milestone was the development of the ZRS Pipe Shredder Series. These machines allow the processing of pipes with up to 1200 mm diameter and 6 m length without the need for pre-cutting. There is no comparable product available on the market today.
The ZERMA PM Series pulverizers are produced for extrusion and rotational molding applications. We offer a complete range of machines as well as evacuation and screening equipment to insure quality of the finished product.
ZERMA also offers machines for specialized markets. This includes ZHM Series hammer-mills and GRF Series compact granulators fitted with roller feeding devices.
The most recent addition to the ZERMA family of products is the ZTS Tire Shredding System. These machines are designed to process used car and truck tires. We offer complete systems to produce separated crumb or powder.
In order to better service our customers in different markets, we have established ZERMA-Europe, ZERMA-UK, ZERMA-Thailand, ZERMA-North America, ZERMA-Latin America and ZERMA Australasia. These subsidiaries work with more than 100 agencies world wide to ensure quick delivery, optimal service, and timely support. We call it the ZERMA family.
1943: founding of ZERMA in Radebeul, Germany
1995: Move to Sinsheim, Germany
1999: Founding of ZERMA Shanghai and start of production in China
2001: Founding of ZERMA Thailand to support the South East Asian market
2002: Start of cooperation with harbor group in the U.S.