Used Twin Screw Co-Rotating Extruders for Sale


Twin screw co-rotating extruders are high-performance processing systems designed for compounding, mixing, and reactive extrusion of polymers and specialty materials. These machines feature two intermeshing screws rotating in the same direction, providing intensive mixing, precise control, and consistent material handling. Compared to single screw extruders, co-rotating twin screw extruders offer superior dispersion and flexibility for complex formulations. Used twin screw co-rotating extruders are widely used in plastics compounding, masterbatch production, and specialty material processing. Aaron Equipment offers used twin screw co-rotating extruders for sale in a range of screw diameters, L/D ratios, and configurations.

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Stock No.:

53459030

Used Coperion ZSK 70 SC Twin Screw Extrusion Line – 800-1,000 kg/hr Polymer Compounding System with Pelletizing Package

Used Coperion ZSK 70 SC Twin Screw Extrusion Line 800-1,000 kg/hr Polymer Compounding System with Pelletizing Package. consisting of: (1) Koch Technik Feeding System & Scholz Dosiertechnik Dosing unit, (1) Coperion ZSK 70 SC Twin Screw Extruder 40:1 L/D (2) 70 mm diameter screws, 40:1 L/D ratio, co-rotating inter-meshing side by side screw design, (9) heated barrels, electrically heated water cooled. Driven by a 250 kw (335.25hp) 400volt drive motor via a Flender gear box, screw speed maximum 200 RPM (1) Die head 26 holes, Frame mounted, Control panel, (2) Coperion ZSB 58 twin screw side feeders, (1) Stainless Steel Water Bath on wheels, (1) Pell-TEC Pelletizer, type SP 300 Easy. New 2011, (1) Vibra Conveyer, WF 814-18DC, New 2009, (1) S+S Metal Separator, (1) Stainless Steel Sifter, (1) Colortronic filling stations incl. scales., (1) Silo, Stainless steel. 20m3. On legs. Part of an auction sale. Available in end of July 2026. Part of an auction event. An additional 18% Buyers Premium will add to the purchasing price.

MFR: Coperion

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Stock No.:

51723003

Used Coperion STS 95 Twin Screw Extruder – 95mm, 40:1 L/D Co-Rotating Compounding Line (2010–2011)

Used Coperion STS 95 Twin Screw Extruder 95mm, 40:1 L/D Co-Rotating Compounding Line (20102011), (2) 95 mm diameter screws, 40:1 L/D ratio, co-rotating inter-meshing side by side screw design, 10 total barrel sections, (9) heated barrels, electrically heated water cooled. Driven by a 280 kw (375.5hp) DC drive motor via a Siemens gear box, screw speed maximum 300 RPM (1) Die head, Frame mounted. (1) Coperion STS 95 twin screw side feeder. New year 2010-11. Previously used in a compounding application. Our freight specialists can assist you with door to door transportation and all customs documents needed to make the process go as smoothly as possible.

MFR: Coperion

Twin Screw Co-Rotating Extruder Applications & Typical Use Cases

Used twin screw co-rotating extruders are commonly used in applications requiring advanced mixing and compounding. Typical use cases include:

  • Polymer compounding and additive incorporation

  • Masterbatch and color concentrate production

  • Reactive extrusion and polymer modification

  • Recycling and reprocessing of engineered plastics

  • Food and pharmaceutical extrusion processes (where applicable)

These systems are essential for achieving consistent material properties and uniform dispersion.

When to Choose a Twin Screw Co-Rotating Extruder

Twin screw co-rotating extruders are best suited for processes that require intensive mixing, precise control, and flexibility in formulation. They are typically selected over single screw extruders when handling multi-component materials, fillers, or additives. Operations involving compounding, blending, or reactive processing benefit from the superior mixing efficiency and process control provided by co-rotating twin screw systems.

Used Twin Screw Co-Rotating Extruder Buying Considerations

When evaluating a used twin screw co-rotating extruder, consider:

  • Screw diameter and L/D ratio: Impacts residence time, mixing capability, and throughput

  • Screw configuration: Modular screw elements affect mixing intensity and process flexibility

  • Barrel condition and segmentation: Inspect for wear, corrosion, and rebuild history

  • Torque and drive system: Ensure sufficient power for material formulation and throughput

  • Feeding and downstream equipment: Evaluate compatibility with feeders, pelletizers, and control systems

Why Buy Used Twin Screw Co-Rotating Extruders

Purchasing a used twin screw co-rotating extruder can significantly reduce capital investment while maintaining advanced processing capabilities. Many units are available for immediate delivery, helping facilities avoid long lead times associated with new equipment. Used extruders also provide access to proven compounding systems that can be integrated into existing production lines.

Sell Your Used Twin Screw Co-Rotating Extruders

Aaron Equipment purchases surplus and used twin screw co-rotating extruders from a wide range of manufacturers and configurations. Whether you are upgrading compounding lines, closing a facility, or selling idle equipment, our team can assist with buyouts or consignment opportunities.

A twin screw co-rotating extruder is a processing machine with two intermeshing screws rotating in the same direction, designed for mixing, compounding, and processing materials with high precision and consistency.

These extruders are used for polymer compounding, masterbatch production, additive incorporation, recycling, and reactive extrusion processes. They are widely used in plastics, chemical, and specialty material industries.

Co-rotating twin screw extruders provide more intensive mixing, better dispersion, and greater process control compared to single screw extruders, which are typically used for simpler, homogeneous materials and processes.

The cost depends on screw size, L/D ratio, manufacturer, configuration, condition, and included components. Larger, high-torque systems or specialized compounding lines typically command higher prices.

Yes. Aaron Equipment purchases used twin screw co-rotating extruders across a range of sizes and configurations. If you have equipment available for sale, submit your details for evaluation.

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