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:
• Machine Type: ZSK 40
• Screw Diameter: 40 mm
• Screw Length: 7 barrels × 4 D → approx. 28 L/D
• Main Drive: 34.5 kW
• Motor Speed: 1,800 rpm
• Screw Speed: 40 – 400 rpm
• Max. Torque per Screw Shaft: 325 Nm
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• Heating: Electric, connected load approx. 17 kW
• Cooling: Water chiller unit
• Temperature Control Zones: 6 zones
• Barrel Temperature Sensors: 6
• Material Temperature Sensor: 1
• Material Pressure Sensor: 1

Barrel Configuration:
• Feed barrel with liquid injection port
• Open barrel with insert and 2 liquid injection ports
• Multiple closed barrels with ports for liquid injection or measurement points
• Degassing barrel

General Features:
• Co-rotating, closely intermeshing (self-cleaning) screws
• High mixing and dispersing performance thanks to modular mixing and kneading elements
• Modular system for screws and barrels
• Drive section and process section mounted on stable base frame

Fields of Application:
• Plastics compounding
• Masterbatch
• Additive and filler incorporation
• Laboratory and pilot plant use
• Formulation and product development

Condition & Runtime:
According to the operating hour counter, the machine has run for less than one year and is therefore in excellent, nearly as-new condition. The screw elements are also as new.

Options & Customizations:
Upon request, we can design and install suitable tooling, such as strand dies, and integrate additional peripherals such as screen changers, pelletizing units, dosing technology, or other customer-specific components. The machine can thus be configured and delivered ready-for-operation according to customer requirements.

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