Heavy Duty Flexible Permeable Pipe Underground Drainage Hose For Railway Highway Construction
Key Attributes
| Product Name: | Flexible Permeable Pipe | Material: | Spring Steel Wire PP Fiber Nonwoven Fabric |
| Type: | Underground Drainage Pipe | Pipe Diameter: | 50mm–300mm |
| Function: | Drainage Filtration Water Permeation | Feature:: | Flexible High Strength Anti Corrosion |
| Application: | Railway Highway Tunnel Drainage | Packing: | Woven Bag Or Roll Packing |
| High Light: | flexible drainage pipe,flexible underground drainage,50mm drainage pipe |
Flexible Permeable Pipe is an advanced underground drainage solution designed for geotechnical engineering, transportation infrastructure, municipal drainage, and environmental protection projects. The pipe adopts a reinforced spring steel ring structure combined with high-quality nonwoven filter fabric and polypropylene fiber wrapping technology, forming a highly durable and permeable drainage system.
The biggest advantage of Flexible Permeable Pipe is its integrated water permeation, filtration, and drainage capability. Groundwater can freely penetrate the pipe from all directions while sediment, soil particles, and impurities are effectively blocked outside the filtration layer. This prevents internal clogging and ensures long-term stable drainage performance.
Compared with conventional rigid perforated pipes, Flexible Permeable Pipe offers better flexibility and adaptability to soil deformation. Even under complex geological conditions or uneven settlement areas, the pipe maintains stable operation without cracking or displacement. This makes it highly suitable for highway subgrade drainage, railway engineering, retaining wall drainage, tunnel seepage systems, and soft soil foundation reinforcement.
The reinforced spring steel support structure provides excellent resistance against compression and deformation. The pipe can withstand high underground pressure while maintaining stable water flow capacity. In addition, the external polypropylene fiber layer protects the pipe from corrosion, biological erosion, and environmental aging.
Flexible Permeable Pipe is also easy to transport and install due to its lightweight structure and convenient connection system. Contractors can significantly improve construction efficiency while reducing labor and equipment costs.
This product is widely exported to infrastructure projects, municipal engineering contractors, mining companies, and environmental engineering projects worldwide.
| Test Item | Unit | FH80 | FH100 | FH150 | FH200 | FH300 |
|---|---|---|---|---|---|---|
| Pipe Diameter | mm | 80 | 100 | 150 | 200 | 300 |
| Outer Diameter Tolerance | mm | ±2.5 | ±3.0 | ±3.5 | ±4.0 | ±8.0 |
| Spring Coil Density | circles/m | ≥40 | ≥34 | ≥25 | ≥19 | ≥17 |
| Protective Layer Thickness | mm | 0.34 | 0.36 | 0.38 | 0.42 | 0.60 |
| Tensile Strength MD | KN/5cm | ≥1.0 | ≥1.0 | ≥1.0 | ≥1.0 | ≥1.0 |
| Tensile Strength CMD | KN/5cm | ≥0.8 | ≥0.8 | ≥0.8 | ≥0.8 | ≥0.8 |
| Ball Bursting Strength | KN | ≥1.1 | ≥1.1 | ≥1.1 | ≥1.1 | ≥1.1 |
| CBR Bursting Strength | KN | ≥2.8 | ≥2.8 | ≥2.8 | ≥2.8 | ≥2.8 |
| Equivalent Aperture | mm | 0.06–0.25 | 0.06–0.25 | 0.06–0.25 | 0.06–0.25 | 0.06–0.25 |
| Water Flow Capacity | cm/s | ≥0.1 | ≥0.1 | ≥0.1 | ≥0.1 | ≥0.1 |
- Efficient Underground Drainage Excellent permeability performance ensures rapid discharge of underground water and seepage.
- Strong Structural Stability The spring steel support system provides reliable compression resistance under heavy soil pressure.
- Excellent Filtration Function The nonwoven filter fabric blocks sediment while maintaining stable water flow.
- Long Lasting Durability Strong resistance to underground chemicals, corrosion, and biological damage.
- Flexible Installation Easy bending and connection make installation convenient in complex terrain and narrow spaces.
- Global Export Experience We supply drainage materials for infrastructure, railway, mining, tunnel, and municipal engineering projects worldwide.
Yes. It is widely used in highway subgrade drainage, slope drainage, and retaining wall engineering.
Yes. The reinforced spring steel structure provides high compression resistance and prevents deformation.
No. The filtration structure minimizes clogging risks and ensures long-term stable drainage performance.
The product is widely used in highways, railways, tunnels, mining, airports, municipal engineering, and landfill drainage systems.
Yes. We provide OEM production, customized packaging, and specification adjustment services according to customer requirements.
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