Twin-screw extruder / compounder

Werner & Pfleiderer / Coperion ZSK 40

Werner & Pfleiderer Twin-Screw Extruder ZSK 40 – Excellent Condition

For sale is a Werner & Pfleiderer (WP) ZSK 40 co-rotating twin-screw extruder.

Technical specifications:
- Model: ZSK 40
- Screw diameter: 40 mm
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- Screw length: 7 barrels × 4 D → approx. 28 L/D
- Main drive: 30 kW
- Motor speed: 1,800 rpm
- Screw speed: 40 – 400 rpm
- Max. torque per screw shaft: 325 Nm
- Heating: electric, connected load approx. 17 kW
- Cooling: water cooling unit
- Temperature control zones: 6 zones
- Barrel temperature measurement points: 6
- Material temperature measuring point: 1
- Material pressure measuring point: 1

Barrel configuration:
- Feeding barrel with liquid addition port
- Open barrel with insert and 2 liquid addition ports
- Multiple closed barrels with ports for liquid addition or measuring points
- Degassing barrel

General features:
- Co-rotating, closely intermeshing (self-cleaning) screws
- High mixing and dispersing performance due to modular mixing and kneading elements
- Modular design for screws and barrels
- Drive and process sections mounted on a robust base frame

Applications:
- Plastic compounding
- Masterbatch production
- Additive and filler incorporation
- Laboratory and pilot plant use
- Formulation and product development

Condition & operating hours:
According to the hour meter, the machine has been in operation for less than one year and is therefore in excellent, almost as-new condition. The screw elements are also as new.

Options & modifications:
On request, we offer the design and installation of appropriate tooling, e.g. strand dies, as well as the integration of additional peripherals such as screen changers, pelletizing lines, dosing equipment or other customer-specific components. The machine can thus be individually configured according to customer requirements and delivered ready for operation.

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