High-Performance DWC Pipe Extrusion Lines for PE, PP & PVC | China Suppliers & Factory Solutions
Machine Parameters
High-Speed Single-Screw Extrusion Line (For PE/PP Pipes)
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.
Stable High-Output Extrusion: Paired with a professionally designed corrugated pipe die, it enables large-scale, stable extrusion for demanding continuous production.
Durable & Customizable Modules: Forming modules are made from precision-cast LY12 high-grade aviation aluminum (copper content ≥5%), ensuring high density, no porosity, and resistance to long-term deformation.
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) |
|---|---|---|---|---|
| JWSBL-300 | 110-300 | 500 | 5 | 440 |
| JWSBL-600 | 200-600 | 800 | 5 | 500 |
| JWSBL-800 | 200-800 | 1000 | 3 | 680 |
| JWSBL-1000 | 200-1000 | 1200 | 2.5 | 710 |
| JWSBL-1200 | 800-1200 | 1400 | 1.5 | 800 |
Conical Twin-Screw Extrusion Line (For FRPP/PVC Pipes)
Energy-Efficient Production: The conical twin-screw extruder offers higher conveying efficiency than single-screw models with lower installed power.
Direct Powder Processing: Capable of processing powder formulas directly, eliminating pelletizing to reduce raw material costs and enhance ring stiffness.
| Type | Pipe diameter (mm) | PVC output (kg/h) | FRPP output (kg/h) | Max speed (m/min) |
|---|---|---|---|---|
| JWSBL-600 | 200-600 | 800 | 800 | 3 |
| JWSBL-300 | 110-300 | 450 | 400 | 4 |
| JWSBL-800 | 200-800 | 1200 | 1000 | 3 |
| JWSBL-1000 | 200-1000 | 1300 | 1200 | 2.5 |
| JWSBL-1200 | 800-1200 | 1400 | 1400 | 1.5 |
Parallel Twin-Screw Extrusion Line (For HDPE/PP Pipes)
Excellent Mixing: Utilizes parallel co-rotating twin-screw extruders for superior dispersion and formula flexibility.
| Type | Pipe diameter (mm) | HDPE output (kg/h) | Max speed (m/min) | Total power (KW) |
|---|---|---|---|---|
| JWSBL-600 | 200-600 | 800 | 5 | 500 |
| JWSBL-1000 | 200-1000 | 1200 | 2.5 | 710 |
| JWSBL-1200 | 800-1200 | 1400 | 1.5 | 800 |
Horizontal DWC Pipe Line (For Small-Diameter Pipes)
| Type | Extruder | Main Motor (kw) | Line Speed (m/min) |
|---|---|---|---|
| JWSBW-50-110 | 45/33+45/33 | 30+18.5 | 0.6-6 |
| JWSBW-50-160 | 65/33+65/33 | 45+30 | 0.5-5 |
| JWSBW-110-250 | 75/33+65/33 | 90+45 | 0.4-4 |
Detailed photos






Unified Core Advantages
Intelligent Siemens Control: All lines feature advanced computer HMI control systems for high automation and precise parameter management.
Integrated Online Belling: Built-in online belling unit ensures connection readiness of finished pipes.
Proven Stability: Multiple patented technologies guarantee long-term, stable, and high-output operation.
Application Areas
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
Q1: What materials can these double wall corrugated pipe lines process?
Our extrusion lines are versatile and can process HDPE, PP, PVC, and FRPP materials, depending on the specific line configuration (Single-Screw, Conical Twin-Screw, or Parallel Twin-Screw).
Q2: What is the maximum pipe diameter your machines can produce?
Our large-scale lines, such as the JWSBL-1200, are capable of producing pipes with diameters ranging from 800mm up to 1200mm. We also offer horizontal lines for small diameters starting from 50mm.
Q3: How does the cooling system improve production efficiency?
We utilize a newly designed closed molding machine with high-efficiency cooling for LY12 aviation aluminum modules. This dramatically improves cooling rates and shortens cycle times, leading to higher throughput.
Q4: Can these machines process powder raw materials directly?
Yes, our Conical Twin-Screw and Parallel Twin-Screw lines are specifically designed to process powder formulas directly, which helps in reducing raw material costs by eliminating the pelletizing stage.
Q5: What control system is used for machine operation?
All our high-performance lines are equipped with intelligent Siemens computer HMI control systems, ensuring high levels of automation, precise management of production parameters, and ease of use.
Q6: Are the finished pipes ready for immediate connection?
Yes, our lines feature an integrated online belling unit that ensures the finished corrugated pipes are ready for connection and meet all performance requirements immediately after production.



