In the high-voltage power cable industry, the quality of the insulation system directly determines the cable’s electrical performance, long-term reliability, and safety under extreme operating conditions. The Triple Layer Co-Extrusion Dry Cure CCV Line (Catenary Continuous Vulcanization) represents the state-of-the-art solution for producing 10–132 kV XLPE-insulated power cables.
This fully integrated triple extrusion line enables simultaneous extrusion of the conductor screen, XLPE insulation, and insulation screen in a single pass using a precision three-layer crosshead. Followed by dry chemical cross-linking under controlled nitrogen atmosphere, the process delivers homogeneous, high-purity XLPE insulation that outperforms traditional steam-cured systems by eliminating moisture-related defects, micro-voids, and water treeing — resulting in superior dielectric performance and extended cable service life.
As a leading wire extrusion machine solution, this MV CCV line supports copper conductors from 50–1600 mm² and aluminum from 70–1600 mm², with maximum cable diameter of 100 mm and weight up to 25 kg/m — ideal for both medium voltage cable production (10–35 kV) and high-voltage transmission cables (66–132 kV).
Core Technology & Process Advantages
- True Triple-Layer Co-Extrusion: Dedicated extruders (typically 80 mm conductor screen + 175 mm XLPE insulation + 100 mm insulation screen) feed a precision three-layer crosshead, ensuring perfect concentricity and molecular bonding between layers with no interface contamination.
- Dry Curing Process: Catenary-type distribution tube with short-circuit heating, high-pressure nitrogen cross-linking, and multi-stage water cooling. This dry method eliminates the moisture-related defects common in steam or hot-water curing, delivering cleaner XLPE with higher crosslinking degree and better electrical properties.
- Complete Production Line: Includes heavy-duty pay-off stands, accumulators, high-precision caterpillars, sag control device, long catenary curing tube (approx. 54 m heating section), pre-cooling and cooling sections (total cooling length up to 114 m), and robust take-up stands.
- Intelligent Control: MMI + PLC system provides real-time monitoring, data storage/retrieval, and closed-loop adjustment of all process parameters for maximum repeatability and traceability.
The line supports copper cores from 50–1600 mm² and aluminum cores from 70–1600 mm², with maximum cable diameter 100 mm and weight 25 kg/m, making it ideal for both medium-voltage (10–35 kV) and high-voltage (66–132 kV) cable production.
Technical Specifications
| Parameter | Specification |
|---|
| Voltage Grade | 10–35–66–110–132 kV XLPE |
| Conductor Cross Section | Copper: 50–1600 mm² Aluminum: 70–1600 mm² |
| Max. Cable Weight | 25 kg/m |
| Max. Cable Diameter | 100 mm |
| Layer Thickness | Conductor screen: 0.5–3.0 mm Insulation: 3.4–20 mm Insulation screen: 0.5–3.0 mm |
| Line Speed | 0–15 m/min (process-dependent) |
| Curing Tube Type | Half-catenary |
| Heating Tube Length | Approx. 54 m (7–9 heating zones) |
| Cooling Tube Length | 102–114 m (13–17 tubes) |
| Installed Power | 1080 kVA |
| Utilities | Water: 0.2–0.6 MPa, 12.5 m³/h Compressed air: 0.6–0.8 MPa Nitrogen: 2.0–2.5 MPa, 99.5% purity, 0.8–1 m³/h |
Custom configurations and extended tube lengths available to match specific voltage classes and production targets.
Primary Applications in Power Cable Industry
- Medium-Voltage Power Cables (10–35 kV): Underground distribution and industrial networks
- High-Voltage Transmission Cables (66–132 kV): Grid infrastructure and renewable energy projects
- XLPE-Insulated Underground & Submarine Power Cables
- Grid Interconnection & Renewable Energy Projects: Solar, wind, and smart-grid applications
This MV CCV line is the preferred wire extrusion machine for manufacturers seeking consistent, high-quality XLPE insulation that meets or exceeds global standards while maximizing throughput and minimizing material waste.
Engineered for Reliability, Efficiency & Long-Term ROI
Built by RLB (Jiangsu Reliable Industry Co., Ltd.), a trusted name in cable machinery with decades of experience, every component of this cable extruder — from the precision triple-layer crosshead to the robust catenary curing system — is designed for heavy-duty, continuous operation. Compared to conventional steam-cured lines, the dry-cure triple extrusion line offers:
- Homogeneous insulation free from micro-voids and water trees
- Higher AC and impulse breakdown strength
- Superior long-term electrical performance and cable longevity
- Reduced scrap rates and faster line speeds
- Lower overall operating costs through energy-efficient nitrogen curing
Whether you are expanding medium voltage cable production or entering the HV segment, this advanced cable extruder machine delivers the performance, flexibility, and technical reliability that modern cable manufacturers demand.
Ready to enhance your XLPE cable production capabilities? Inquiry Now for detailed technical quotation, custom configuration, layout design, or factory visit. Our engineering team provides full turnkey solutions, installation support, operator training, and long-term technical partnership.
Triple Layer Co-Extrusion Dry Cure CCV Line - Reliable Doing Cable
Discover the RLB Triple Layer Co-Extrusion Dry Cure CCV Line — advanced cable extruder machine and triple extrusion line for 10–132 kV XLPE power cables. MV CCV line with dry nitrogen curing for superior dielectric performance. Ideal for medium voltage cable production. Inquiry Now.
Product SKU: IEC 60840 CCV Line
Product Brand: RLB Machinery
Product Currency: USD
Product Price: Contact for Quote
Product In-Stock: InStock
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