Plastic HDPE Hollow Wall Spiral Winding Sewer Corrugated Pipe Extrusion Production Line

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After-sales Service: 1 Year
Warranty: 1 Year
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  • Plastic HDPE Hollow Wall Spiral Winding Sewer Corrugated Pipe Extrusion Production Line
  • Plastic HDPE Hollow Wall Spiral Winding Sewer Corrugated Pipe Extrusion Production Line
  • Plastic HDPE Hollow Wall Spiral Winding Sewer Corrugated Pipe Extrusion Production Line
  • Plastic HDPE Hollow Wall Spiral Winding Sewer Corrugated Pipe Extrusion Production Line
  • Plastic HDPE Hollow Wall Spiral Winding Sewer Corrugated Pipe Extrusion Production Line
  • Plastic HDPE Hollow Wall Spiral Winding Sewer Corrugated Pipe Extrusion Production Line
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  • Overview
  • Specification
Overview

Basic Info.

Model NO.
PVC Pipe Production Line
Type
Pipe Extruder
Plastic Processed
PVC
Product Type
Granulating Extruder
Feeding Mode
Multiple Feed
Assembly Structure
Integral Type Extruder
Screw
Twin-Screw
Engagement System
Full Intermeshing
Screw Channel Structure
Deep Screw
Exhaust
Don't Exhaust
Automation
Automatic
Computerized
Computerized
Certification
CE, ISO9001:2008
Application
Produce PVC-O Pipes
Feeding Mothed
Dosing Feeding System
Vacuum Calibration Tank
Dual-Chamber, Independent Vacuum Pumps
Cooling Tank
Twin-Pipe Water-Spray Cooling System
Haul-off Machine
Dual-Belt Traction with Inverter Control
Transport Package
Woodbox with Film Wrapped
Specification
Plastic Film Wrapping or Wooden Box
Trademark
Wecoex
Origin
Zhangjiagang, Jiangsu, China
HS Code
84778000
Production Capacity
350sets/Year

Product Description

Plastic HDPE Hollow Wall Spiral Winding Sewer Corrugated Pipe Extrusion Production Line
Plastic HDPE Hollow Wall Spiral Winding Sewer Corrugated Pipe Extrusion Production Line
Double Pipe Extrusion Line | PVC / PE / PPR Dual Output Pipe Production Line
The Double Pipe Extrusion Line developed by WeCoEx Machinery Co., Ltd. is designed for simultaneous production of two pipes on one extrusion system.
It greatly improves productivity, reduces energy consumption, and saves workshop space — making it ideal for producing small- and medium-diameter pipes (16–110 mm) for water, conduit, and drainage systems.
This line adopts a dual outlet die head, double vacuum calibration, dual cooling, and synchronized haul-off, cutting, and belling units, ensuring stable operation, precise dimensions, and smooth surface finish.
Specification
Model
Pipe Diameter (mm)
Extruder Type
Max Output (kg/h)
Line Speed (m/min)
Total Power (kW)
Line Length(m)
PVC-2×32
16–32 × 2
SJSZ-51/105
120
10
85
24
PVC-2×63
16–63 × 2
SJSZ-65/132
250
8
120
26
PPR-2×32
16–32 × 2
SJ65/33
180
12
100
25
PPR-2×63
16–63 × 2
SJ75/33
250
10
140
27
Plastic HDPE Hollow Wall Spiral Winding Sewer Corrugated Pipe Extrusion Production Line
Plastic HDPE Hollow Wall Spiral Winding Sewer Corrugated Pipe Extrusion Production Line
Extruder (Main Machine)
The extruder melts, mixes, and extrudes the plastic material through the die head under constant pressure.
Advantages:
High-torque gearbox and optimized screw design ensure uniform melt and stable output.
Energy-saving motor and Siemens/ABB inverter for precise control.
PID temperature regulation for accurate heating.
Optional vacuum loader and hopper dryer keep feeding stable and dry.
Vacuum Calibration & Spray Cooling System
Plastic HDPE Hollow Wall Spiral Winding Sewer Corrugated Pipe Extrusion Production Line
Shapes and cools two pipes simultaneously using dual vacuum tanks and multi-stage spray cooling.
Advantages:
Dual independent calibration chambers for accurate pipe sizing.
Stainless steel tanks with corrosion resistance and easy cleaning.
Adjustable vacuum pressure and high-efficiency water spray ensure smooth surface.
Transparent covers for safe, visible operation.
Plastic HDPE Hollow Wall Spiral Winding Sewer Corrugated Pipe Extrusion Production Line
Haul-off Machine (Traction Unit)
Provides stable traction to synchronize pipe movement through all sections.
Advantages:
Dual traction channels with frequency control for speed adjustment.
Soft rubber belts provide strong grip without scratching.
Low noise and long service life.
Independent control for each channel if required.
Cutting Machine
Plastic HDPE Hollow Wall Spiral Winding Sewer Corrugated Pipe Extrusion Production Line
Automatically cuts both pipes simultaneously to preset lengths with precision.
Advantages:
Servo motor drive and PLC synchronization for accurate cutting.
Dual-blade or chipless system for clean, burr-free edges.
Compact structure, safe operation, and dust collection system.
Plastic HDPE Hollow Wall Spiral Winding Sewer Corrugated Pipe Extrusion Production Line
Double-Station Belling Machine
Used to form R-type (rubber ring) or U-type (solvent weld) sockets after cutting, ensuring tight sealing and easy connection.
Advantages:
Fast heating, accurate forming, stable shape, and optional online/offline operation for higher efficiency.
Plastic HDPE Hollow Wall Spiral Winding Sewer Corrugated Pipe Extrusion Production Line
Plastic HDPE Hollow Wall Spiral Winding Sewer Corrugated Pipe Extrusion Production Line
Plastic HDPE Hollow Wall Spiral Winding Sewer Corrugated Pipe Extrusion Production Line
Building & Construction
Agriculture & Irrigation
Municipal Engineering
Cold & Hot Water Supply Pipes 
Drainage & Sewer Pipes 
Conduit Pipes
Irrigation Pipes 
Water Distribution 
Underground Sewer Systems 
Drinking Water Distribution 
Industrial Parks & Infrastructure 
Plastic HDPE Hollow Wall Spiral Winding Sewer Corrugated Pipe Extrusion Production Line
About Us
Wecoex Machinery Co., Ltd. is a leading manufacturer of complete plastic extrusion solutions, located in Zhangjiagang, one of China's most dynamic manufacturing hubs.
We specialize in plastic pipe extrusion lines (PVC, HDPE, PPR, CPVC, etc.) for water supply and drainage, gas, conduit, underfloor heating, and irrigation applications; plastic recycling and pelletizing lines for hard/soft and mixed plastics, helping customers reduce costs and achieve sustainable production; and a full range of auxiliary equipment including mixers, crushers, loaders, haul-offs, cutters, and packaging systems.
Our equipment is widely used in municipal and civil infrastructure, power and communication networks, agriculture, industrial and construction drainage, and the circular economy. With advanced CNC machining centers, boring-milling machines, dynamic balancing machines, and nitriding furnaces, we ensure precision and durability of screws, barrels, and sizing sleeves, while Siemens PLC and touchscreen HMI systems deliver automated control and remote monitoring. Every line is fully test-run before delivery to guarantee immediate production upon installation.
Wecoex products are exported to more than 30 countries across Southeast Asia, South Asia, the Middle East, Africa, South America, and Europe, with one-stop service from project design and manufacturing to installation, commissioning, training, and after-sales support. Guided by the principle of "Quality First, Serving the Globe," we provide reliable, energy-efficient, and high-performance extrusion solutions to help customers lower energy consumption, increase productivity, and accelerate ROI—making Wecoex your trusted long-term partner worldwide.
Plastic HDPE Hollow Wall Spiral Winding Sewer Corrugated Pipe Extrusion Production Line
Plastic HDPE Hollow Wall Spiral Winding Sewer Corrugated Pipe Extrusion Production Line
Plastic HDPE Hollow Wall Spiral Winding Sewer Corrugated Pipe Extrusion Production Line
Plastic HDPE Hollow Wall Spiral Winding Sewer Corrugated Pipe Extrusion Production Line
Plastic HDPE Hollow Wall Spiral Winding Sewer Corrugated Pipe Extrusion Production Line
Plastic HDPE Hollow Wall Spiral Winding Sewer Corrugated Pipe Extrusion Production Line
Plastic HDPE Hollow Wall Spiral Winding Sewer Corrugated Pipe Extrusion Production Line
FAQ
Q1: What is a double pipe extrusion line?
A1: It's a production system that allows two pipes to be extruded simultaneously from one extruder and die head, which doubles productivity while saving energy and space.
 
Q2: What materials can the line process?
A2: The line can produce pipes made from PVC, PE, or PPR materials with small configuration changes to the screw and die system.
 
Q3: What pipe sizes can be produced?
A3: Standard ranges are 16–63 mm or 20–110 mm (×2). Custom diameters and molds are available upon request.
 
Q4: What are the main advantages of a double pipe line compared to a single line?
A4: It offers double output, lower energy cost, and less floor space — ideal for small- to medium-diameter pipe production.
 
Q5: How does the synchronization between two pipes work?
A5: Each pipe channel has its own vacuum calibration, cooling, and traction control, all managed by a central PLC system for balanced and stable operation.
 
Q6: What's the average output and energy consumption?
A6: Depending on configuration, output is 120–250 kg/h, with energy consumption around 0.25–0.3 kWh per kg of product.
 
Q7: Is the belling machine included in the line?
A7: Yes. The line can be equipped with a double-station belling machine (R/U type) for online or offline socket forming.
 
Q8: How many operators are required for one line?
A8: Only 2–3 operators are needed since the entire line is fully automated with touch-screen control and automatic length cutting.
 
Q9: What is the delivery time and installation support?
A9: Normal delivery is 45–60 working days. WeCoEx engineers can provide on-site installation, commissioning, and training worldwide.
 
Q10: What is the warranty and after-sales service policy?
A10: The main equipment carries a 12-month warranty, and we provide lifetime technical support, spare parts supply, and 24-hour online service.

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