Spiral reinforced PE pipe (SRPE pipe) is composite structured‑wall pipe with spiral steel reinforcement inside HDPE material. It owns high ring stiffness and excellent anti‑corrosion performance, widely adopted in buried underground infrastructure projects.
Working Principle
During production, the spiral reinforced PE pipe forms a continuous integrated spiral reinforcement layer inside the pipe wall through co-extrusion technology. The spiral skeleton bears external pressure and ground load, which greatly enhances the pipe's compression resistance. This structural design avoids thickening the pipe wall blindly, saves raw materials, and ensures the flexibility and durability of the pipe.
- High cost performance: The spiral reinforcement structure reduces raw material consumption while ensuring mechanical performance, lowering production cost.
Key Advantages
- Strong anti-corrosion ability: HDPE material resists acid, alkali and underground chemical erosion, no rust, no aging.
- Easy installation: Lightweight and flexible, can be coiled for transportation, saving construction time and labor cost.
- Long service life: Stable performance under buried environment, service life up to 50 years.
Application Scope
Spiral reinforced PE pipe is widely used in various low-pressure fluid conveying and protection projects, including power communication cable protection pipes, farmland irrigation water pipes, urban and rural drainage pipes, and road infrastructure protection pipes.
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