Used 20mm Werner & Pfleiderer Model ZSK20 Co-Rotating Twin Screw Extruder. Has 40/1 L/D barrel at 43" centerline height driven through a 3:1 gearbox with a 37-Newton meter torque capacity per screw shaft. Extruder is powered by 5 hp AC motor with Allen Bradley 1336 impact drive unit, 588 rpm screw speed. Includes Brabender 1/2 hp model MS-FW40/Optus-70 feeder, spare used motor and gearbox.
Used Equipment Facts About This Machine
This Used Werner & Pfleiderer Model ZSK20 Twin Screw Extruder is a co-rotating twin screw system featuring a 20mm screw diameter and a 40:1 L/D barrel. It’s designed for high-shear, intensive mixing and compounding applications in industries like plastics, pharmaceuticals, and specialty chemicals. The extruder is powered by a 5 HP AC motor, equipped with an Allen Bradley 1336 Impact Drive, and operates at a screw speed of 588 RPM. The 3:1 gearbox provides a 37 Nm torque capacity per screw shaft, ensuring consistent performance under demanding processing conditions. This system includes a Brabender 1/2 HP Model MS-FW40/Optus-70 Feeder, as well as a spare used motor and gearbox, offering additional value and flexibility.
Key Specifications
Manufacturer: Werner & Pfleiderer
Model: ZSK20
Screw Diameter: 20mm
Barrel Length: 40:1 L/D
Centerline Height: 43"
Gearbox Ratio: 3:1
Torque Capacity: 37 Nm per screw shaft
Main Motor:
5 HP AC Motor
Allen Bradley 1336 Impact Drive Unit
588 RPM Screw Speed
Feeder:
Brabender Model MS-FW40/Optus-70
1/2 HP Motor
Included Spares:
Spare Used Motor
Spare Used Gearbox
Features & Benefits
High-Efficiency Twin Screw Extrusion – Co-rotating screws for intensive mixing and consistent material processing
Compact & Precise Design – 20mm screw diameter ideal for laboratory scale, R&D, or pilot plant operations
40:1 L/D Barrel – Provides enhanced mixing and compounding capability for complex formulations
Reliable Drive System – 5 HP AC motor with Allen Bradley 1336 VFD enables precise speed control
Brabender Gravimetric Feeder – Ensures accurate material feeding for consistent throughput
Includes Spares – Extra motor and gearbox increase uptime and reduce maintenance delays
Versatile Applications – Suitable for plastics, pharmaceuticals, food processing, and specialty chemicals
Applications
Plastics Compounding
Polymer Blending & Masterbatch Production
Pharmaceutical Extrusion
Bioplastics Development
Nutraceutical & Food Ingredient Processing
Specialty Chemical Compounding
Laboratory and R&D Trials
Industries Served
Plastics & Polymers
Pharmaceuticals
Food & Nutraceuticals
Chemical Manufacturing
R&D Laboratories
PRODUCT DETAILS
Twin screw extruder, ZSK20 extruder, co-rotating extruder
Werner & Pfleiderer ZSK20 twin screw extruder, 20mm co-rotating extruder, used laboratory extruder
Used Werner & Pfleiderer ZSK20 20mm co-rotating twin screw extruder with 40:1 L/D barrel and Brabender feeder, 5 HP AC drive laboratory twin screw extruder for plastics and pharmaceutical processing, used twin screw extruder with spare motor and gearbox for high shear compounding
