Twin screw extruder

PVC compounding

Expertise in extrusion technology

We have been developing high-quality extruder systems for processing plastics and rubber for decades.
With our modular machine construction, many years of expertise and customized solutions, we offer individual system concepts - from laboratory systems to large-scale industrial production lines.

Twin screw extruder - counter-rotation

Our compact, counter-rotating extruders are specially designed for compounding and pelletizing soft PVC and rigid PVC.
ERMAFA supplies complete PVC compounding lines - depending on customer requirements - with the following line components:

Raw material emptying
Ensiling
Promotion
Weighing
Mixing
Granulation
Packaging

2.90D Extruder, hinged co-rotating extruder for special applications, custom-designed to meet customer specifications

Machine and process engineering features

Counter-rotating screws in compact design for soft & hard PVC
Co-rotating screws for special applications
Variable wear protection against abrasion & corrosion (barrels and screws)
High-performance vacuum degassing
Vertical feeding with tamping screw (cold or hot feeding)
PLC control with visualization

Granulation systems

Adaptable systems with variable number of nozzles and nozzle diameters
Centric knock-off for soft PVC & hard PVC
Eccentric cut-off for highly filled rigid PVC compounds

Granulate cooling

Effective, space-saving two-stage cooling
Throughput up to 2,500 kg/h
With integrated agitator shaft in the upper cooling stage

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