USED WERNER & PFLEIDERER ZSK40

Used Werner & Pfleiderer Model ZSK40, 40mm Co-rotating twin screw extruder. 1990 Model year. 46:1 L/D vented barrel with 11-barrel sections and a 41" centerline height. Driven by 50 hp 500 volt 1750/2100 rpm DC motor with SCR control and with a screw speed of 517 rpm. Includes Acrison 1.5 hp weight loss differential feeder, 2.2 kw Tervac vacuum pump, and side feeder.

Used Equipment Facts About This Machine
✅ Manufacturer Information

Manufacturer: Werner & Pfleiderer

Model: ZSK40

Country of Origin: Germany

Manufacturer Overview:
Werner & Pfleiderer (now part of Coperion) is a renowned German manufacturer of high-performance twin screw extruders and compounding systems. They specialize in co-rotating, intermeshing extruder systems for plastics, chemicals, pharmaceuticals, and food industries. Known for precision engineering and durability, their machines are trusted worldwide.

✅ Product Description

This Used Werner & Pfleiderer Model ZSK40 Co-Rotating Twin Screw Extruder features 40mm screws, a 46:1 L/D ratio, and an 11-barrel vented section design. Built in 1990, this extruder has a centerline height of 41", powered by a 50 HP 500-volt DC motor with SCR control, delivering screw speeds up to 517 RPM. The system includes an Acrison 1.5 HP weight loss differential feeder, a 2.2 kW Tervac vacuum pump, and a side feeder for versatile processing. Ideal for compounding, devolatilization, and masterbatch production.

✅ Specifications

Manufacturer: Werner & Pfleiderer

Model: ZSK40

Year: 1990

Screw Diameter: 40mm

Configuration: Co-rotating, twin screw

L/D Ratio: 46:1

Barrel Sections: 11 (vented barrel)

Centerline Height: 41"

Motor Power: 50 HP

Motor Type: 500 Volt DC Motor with SCR Control

Motor Speed: 1750/2100 RPM

Screw Speed: 517 RPM

Feeder: Acrison 1.5 HP Weight Loss Differential Feeder

Vacuum Pump: Tervac 2.2 kW

Additional Components: Side Feeder

Condition: Used

Application: Compounding, Masterbatch, Polymer Processing

✅ Applications

Plastic compounding
Masterbatch production
Polymer blending
Devolatilization processes
Reactive extrusion
Food and pharmaceutical extrusion
Color concentrate manufacturing
Additive dispersion
Fiber-reinforced composite processing
Powder coating production

✅ What Products Would This Be Used For?

Thermoplastics compounding
Color masterbatch production
Polymer alloy and blend processing
Filler and reinforcement compounding
Thermoplastic elastomers (TPE)
Wood-plastic composites (WPC)
Pharmaceutical solid dosage forms
Reactive extrusion products
Devolatilized polymer products
Additive masterbatches
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