High-Performance Double Wall Corrugated Pipe Extrusion Lines from China Suppliers | Durable DWC Pipe Factory Solutions
Machine Parameters
High-Speed Single-Screw Extrusion Line (For PE/PP Pipes)
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Optimized Cooling & Molding: A newly designed, closed molding machine with a special high-efficiency cooling system for forming aluminum modules dramatically improves cooling rates, shortening cycle times for higher throughput.
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Stable High-Output Extrusion: Paired with a professionally designed corrugated pipe die, it enables large-scale, stable extrusion for demanding continuous production.
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Durable & Customizable Modules: Forming modules are made from precision-cast LY12 high-grade aviation aluminum (copper content โฅ5%), ensuring high density, no porosity, and resistance to long-term deformation. Modules offer excellent interchangeability and customizable waveform designs.
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Precision Cutting: Features an automatic DWC cutter with computer control for accurate cut length, stable operation, and easy use.
| Type | Pipe Diameter (mm) | HDPE Output (kg/h) | Max Speed (m/min) | Total Power (KW) |
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| JWSBL-300 | 110โ300 | 500 | 5 | 440 |
| JWSBL-600 | 200โ600 | 800 | 5 | 500 |
| JWSBL-800 | 200โ800 | 1000 | 3 | 680 |
| JWSBL-1000 | 200โ1000 | 1200 | 2.5 | 710 |
| JWSBL-1200 | 800โ1200 | 1400 | 1.5 | 800 |
Conical Twin-Screw Extrusion Line (For FRPP/PVC Pipes)
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Energy-Efficient Production: The line's overall energy consumption is low. The conical twin-screw extruder offers higher conveying efficiency than single-screw models with lower installed power, enabling truly economical operation.
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Direct Powder Processing & Cost Savings: Capable of processing powder formulas directly (e.g., raw material + calcium carbonate), eliminating the need for pelletizing to significantly reduce raw material costs while enhancing pipe ring stiffness.
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Superior Pipe Quality: Equipped with a vacuum venting device to effectively remove moisture and air, preventing bubbles in the pipe wall for a dense, smooth interior and exterior surface.
| Type | Pipe Diameter (mm) | PVC Output (kg/h) | FRPP Output (kg/h) | Max Speed (m/min) |
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| JWSBL-300 | 110โ300 | 450 | 400 | 4 |
| JWSBL-600 | 200โ600 | 800 | 800 | 3 |
| JWSBL-800 | 200โ800 | 1200 | 1000 | 3 |
| JWSBL-1000 | 200โ1000 | 1300 | 1200 | 2.5 |
| JWSBL-1200 | 800โ1200 | 1400 | 1400 | 1.5 |
Parallel Twin-Screw Extrusion Line (For HDPE/PP Pipes)
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Excellent Mixing & Raw Material Flexibility: Utilizes two parallel co-rotating twin-screw extruders for superior dispersion. Can process both powder and granular raw materials simultaneously without pre-compounding, offering maximum formula flexibility.
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Online Formula Adjustment: Includes a side-feeding system allowing for real-time online adjustment of filler ratios (e.g., calcium powder), facilitating quick and convenient formula changes.
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Modular & Easy Maintenance: The building-block style screw and barrel assembly simplifies maintenance and part replacement, minimizing downtime.
| Type | Pipe Diameter (mm) | HDPE Output (kg/h) | Max Speed (m/min) | Total Power (KW) |
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| JWSBL-600 | 200โ600 | 800 | 5 | 500 |
| JWSBL-1000 | 200โ1000 | 1200 | 2.5 | 710 |
| JWSBL-1200 | 800โ1200 | 1400 | 1.5 | 800 |
Horizontal DWC Pipe Line (For Small-Diameter Pipes)
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Compact Solution for Small Pipes: Specifically designed for producing small-diameter DWC pipes (ร50โ250mm), ideal for drainage, venting, and conduit applications.
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High Plasticization & Output: Incorporates a new high-efficiency single-screw extruder that delivers greatly enhanced plasticizing capacity and high output of flexible pipe products.
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User-Friendly Operation: The horizontal structure of the molding machine provides a compact footprint and facilitates easier operation and maintenance.
| Type | Extruder | Main Motor (kw) | Line Speed (m/min) |
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| JWSBW-50-110 | 45/33+45/33 | 30+18.5 | 0.6โ6 |
| JWSBW-50-160 | 65/33+65/33 | 45+30 | 0.5โ5 |
| JWSBW-110-250 | 75/33+65/33 | 90+45 | 0.4โ4 |
Detailed Photos
Unified Core Advantages
๐ฅ๏ธ Intelligent Siemens Control
All lines feature advanced computer HMI control systems (like Siemens) for high automation, precise parameter management, and user-friendly operation.
๐ Integrated Online Belling
The built-in online belling unit ensures the connection readiness and performance of the finished corrugated pipes.
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Proven Stability & Reliability
Incorporates multiple patented technologies to guarantee long-term, stable, and high-output operation.
๐ ๏ธ Comprehensive Technical Support
Backed by JWELL's extensive experience, offering professional support from line configuration to production optimization.
Application Areas
The high-quality double wall corrugated pipes produced are essential components across several key industries:
Municipal & Civil Engineering
Stormwater & sewer drainage networks, building foundation drainage.
Telecommunications & Power
Optical fiber cable conduits, electrical wire protection ducts.
Agriculture & Water Conservancy
Agricultural irrigation pipelines, water project drainage.
Industrial & Environmental Protection
Industrial fluid conveyance, mine ventilation, landfill leachate collection.
Frequently Asked Questions
What pipe materials are compatible with these DWC extrusion lines?
The product range covers multiple material types. The High-Speed Single-Screw line is optimized for PE and PP pipes; the Conical Twin-Screw line is designed for FRPP and PVC pipes; the Parallel Twin-Screw line handles HDPE and PP; and the Horizontal DWC line is a compact solution suitable for small-diameter pipes in various materials.
What pipe diameter ranges can these extrusion lines produce?
The lines cover a wide diameter range. The Horizontal DWC line handles small diameters from ร50mm to ร250mm, while the larger vertical lines (JWSBL series) can produce pipes ranging from 110mm up to 1200mm in diameter, depending on the model selected.
Can the extrusion lines process powder raw materials directly?
Yes. The Conical Twin-Screw Extrusion Line is specifically capable of processing powder formulas directly โ such as raw material combined with calcium carbonate โ without the need for a separate pelletizing step. This significantly reduces raw material costs and enhances the ring stiffness of the finished pipe.
What control system is used on these production lines?
All extrusion lines are equipped with advanced computer HMI control systems, including industry-leading platforms such as Siemens. This ensures high levels of automation, precise parameter management, real-time monitoring, and straightforward operator interaction for consistent production quality.
What industries are the produced DWC pipes used in?
The double wall corrugated pipes produced by these lines serve a broad range of industries, including municipal and civil engineering (stormwater drainage, sewage systems), telecommunications and power (cable conduits, wire protection), agriculture and water conservancy (irrigation pipelines), and industrial and environmental protection (fluid conveyance, mine ventilation, leachate collection).
How are forming modules maintained, and can waveform designs be customized?
Forming modules on the Single-Screw line are precision-cast from LY12 high-grade aviation aluminum (copper content โฅ5%), offering high density, no porosity, and strong resistance to long-term deformation. The modules feature excellent interchangeability for easy replacement, and custom waveform designs are available to meet specific project or product requirements.