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Grâce à une qualité de produit stable et à des processus de fabrication avancés, nous fournissons des solutions de pipeline sûres, durables et efficaces pour divers projets de construction d'infrastructures.
Polyethylene (PE) steel-reinforced spiral pipe is a spiral corrugated pipe made of high-strength polyethylene as the outer matrix material and a steel strip corrugated body coated with high-performance adhesive resin and bent into shape as the main supporting structure. It is manufactured on a production line through winding and extrusion to form a complete structure. This product combines the high rigidity and strength of steel with the excellent properties of plastic, such as corrosion resistance, wear resistance, and flexibility. It not only enables the pipe to achieve ring stiffness levels of SN8, SN10, SN12.5, and SN16, but also solves the corrosion resistance problem of steel, overcoming the weakness of large-diameter all-plastic buried drainage pipes, which generally only reach SN8 ring stiffness. The pipeline system uses methods such as hot-melt welding, heat-shrink tubing (tape), and electrofusion tape for connection, adapting to various engineering and working conditions. It effectively meets the requirements of reliable sealing and convenient connection, and has broad application prospects, making it an ideal product to replace traditional large-diameter drainage pipes.
Le Tuyau en spirale en bande d'acier PE adopts a multi-layer composite structure formed under a plastic molten state, ensuring that each layer is fully fused during production. This process is fundamentally different from secondary melting or re-forming methods used in traditional spiral wound or hollow wall pipes. As a result, the PE Steel Strip Spiral Pipe achieves complete interlayer bonding, significantly improving structural integrity and overall mechanical strength.
In this PE Steel Strip Spiral Pipe system, the steel reinforcement strip and polyethylene material are integrated during continuous forming, creating a unified composite structure with high stability and load-bearing performance. The fully bonded layer structure ensures consistent stress distribution and long-term operational reliability in underground pipeline applications.
The PE Steel Strip Spiral Pipe features a circular external steel strip reinforcement design, which significantly enhances ring stiffness. This structure also improves resistance to root intrusion and effectively reduces deformation caused by axial movement, solving issues related to pipe displacement, tension, and jacking forces in underground environments.
Manufactured from high-quality PE materials, the PE Steel Strip Spiral Pipe demonstrates strong resistance to acids, alkalis, wastewater, and chemical corrosion. It is also unaffected by soil-borne corrosive substances and decaying organic matter. With excellent aging resistance, the system can maintain stable performance for extended service life under standard operating conditions.
The pipe wall structure provides strong resistance to impact and external pressure, maintaining integrity even under foundation settlement conditions. It also offers excellent elastic recovery after deformation and strong adaptability to varying soil foundations. The smooth inner surface of the PE Steel Strip Spiral Pipe ensures low flow resistance and high drainage efficiency.
The PE Steel Strip Spiral Pipe maintains stable performance in extremely low temperatures, with resistance down to -60℃ without freezing, cracking, or leakage. Its lightweight structure and simple connection method reduce excavation requirements, significantly improving construction efficiency while reducing labor intensity and overall installation cost.
| Nominal Inner Diameter (Id/mm) | Diamètre extérieur moyen minimum (mm) | Minimum Inner Wall Thickness (mm) | Minimum Laminated Wall Thickness (mm) | Maximum Pitch (mm) | Minimum Steel Strip Thickness (mm) |
| 300 | 294 | 2.5 | 4.0 | 75 | 0.4 |
| 400 | 392 | 3.0 | 4.5 | 85 | 0.4 |
| 500 | 490 | 3.5 | 5.0 | 100 | 0.5 |
| 600 | 588 | 4.0 | 6.0 | 110 | 0.5 |
| 800 | 785 | 4.5 | 7.5 | 120 | 0.7 |
| 1000 | 985 | 5.0 | 8.0 | 150 | 0.7 |
| 1200 | 1185 | 5.0 | 8.0 | 180 | 0.7 |
| 1500 | 1485 | 5.0 | 8.0 | 220 | 1.0 |
| 1600 | 1585 | 5.0 | 9.0 | 230 | 1.0 |
| 1800 | 1785 | 5.0 | 9.0 | 230 | 1.0 |
| 2000 | 1985 | 6.0 | 9.0 | 235 | 1.0 |
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