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chenxing
Product Description
The Double Cavity PVC Pipe Extrusion Line is designed for high-efficiency production of UPVC pipes used in agricultural water supply, building water supply and drainage, electrical conduit, and cable protection. Compared with single-cavity lines, the double-cavity configuration significantly increases output capacity while reducing energy consumption and labor requirements.
The system offers flexible configuration options, including conical twin-screw extruders and parallel twin-screw extruders, enabling stable processing of UPVC, M-PVC, C-PVC, inner spiral wall pipes, inner hollow wall pipes, and formed-core pipes. The optimized screw design ensures excellent plasticizing performance and uniform pipe wall thickness.
Raw material → Mixing → Hopper dryer → Extruder → Double-cavity mould → Vacuum calibration tank → Haul-off → Cutting → Stacker
This process guarantees efficient production, strict dimensional control, and consistent quality for long-term pipe performance in water supply and drainage systems.
Produces two pipes simultaneously, doubling productivity without doubling energy usage.
Ideal for medium-to-large-scale pipe manufacturers seeking higher ROI.
The unique screw design enhances melt plasticizing and improves final pipe mechanical strength.
Suitable for high-output processing with stable pressure and reduced material degradation.
Full automation with PLC control enables accurate operation, stable process parameters, and reduced operator dependency.
Simplifies production management for continuous and consistent pipe quality.
Easy to operate, requiring fewer workers.
Reduces raw material loss and machine downtime through optimized mechanical design.
Increases output while reducing production time and operating cost.
Ensures pipe roundness, uniform wall thickness, and excellent surface finish.
Highly reliable for 24/7 industrial production environments.
| Parameter | Value |
|---|---|
| Max Output of Extruder (kg/h) | 120–240 |
| Length of Vacuum Tank (m) | 4 |
| Haul-off Speed (m/min) | 0–15 |
| Max Diameter of Twin Pipe (mm) | Ø50 |
| Haul-off Force (N) | 2000 |
| Driver Motor Power (kW) | 0.75 × 4 |
Specifications can be customized according to pipe diameter, output requirements, and voltage standards.
The double cavity PVC pipe extrusion line is suitable for producing:
UPVC water supply pipes
Agricultural irrigation pipes
Building drainage pipes
Cable conduit pipes
Electrical casing pipes
Pressure and non-pressure pipes
Industries served:
Water supply engineering
Agricultural infrastructure
Construction and civil engineering
Electrical installation
Municipal piping systems
20+ years of experience in PVC extrusion technology
High-precision machining ensures durability and consistency
Full project support: design, installation, commissioning, and training
Spare parts readily available for global customers
Proven cases in Asia, Africa, Latin America, and the Middle East
Q1: What pipe sizes can this double cavity line produce?
A: Common sizes include 16–50 mm, but larger sizes can be customized depending on your project requirements.
Q2: Is the system suitable for UPVC and CPVC?
A: Yes. With proper screw and mould configuration, the line can process UPVC, M-PVC, C-PVC, and special composite structures.
Q3: Do you provide installation and training?
A: We provide complete installation, commissioning, and operator training services globally.
Q4: How many operators are required?
A: Typically 1–2 trained operators can manage the full production line due to the high automation level.
Q5: What is the delivery time?
A: Standard delivery is 30–60 days depending on customization and production scheduling.
