Nanjing Lesun Screw Co., Ltd.
No.9 Zhiyong Road, Jiangning Konggang Development Zone, 211100, Nanjing City, P.R.China.
+86-13605142173 info@lesunscrew.com
Nanjing Lesun Screw Co., Ltd.
Nanjing Lesun Screw Co., Ltd.
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Optimized for heat transfer, sealing reliability, and service life

  • 1D-12D configurable design

  • 10+ wear & corrosion-resistant solutions

  • Flexible connection systems & heating methods

  • Process-oriented barrel geometry design

  • Full customization of ports, plugs & connections

Overview of Screw Barrels

As the pressure-bearing and heat-transfer component in a modular twin-screw extruder, the screw barrel is engineered for continuous operation under extreme temperatures and pressures. Its precision-engineered cooling channels enable rapid response and accurate control of process temperature, ensuring optimal melt quality, high throughput, and energy efficiency. The high-precision honed inner bore maintains an ideal clearance with the screw, guaranteeing efficient conveying, effective plastication, and self-cleaning performance. The modular design allows for flexible configuration and a wide processing window. Additionally, the replaceable liner or sintering technology significantly reduces long-term maintenance costs and maximizes the equipment's lifecycle value.



Strengths of Screw Barrels

Our twin-screw extruder barrel is engineered to meet the most demanding processing requirements. We deliver fully customized solutions through advanced design and manufacturing capabilities:


  • Optimized Thermal Management

    Custom barrel designs with varied cooling channel configurations and heating methods for precise temperature control.

  • Modular Configuration & Accessories

    Flexible connection types, specialized profiles, and custom-designed block heads enable seamless integration with your twin-screw extruder system.

  • Advanced Wear Protection

    10+ material combinations for barrel bodies and liners, providing tailored wear and corrosion resistance solutions.

  • Specialized Barrel Designs

    Clamshell barrel models for easy maintenance and cleaning,available in lengths from 1D to 12D to match your process requirements.

  • Complete Customization

    Comprehensive engineering support for specialized twin-screw extruder barrel applications,including custom blind plug services and other tailored solutions.

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