PP Fiber Flexible Permeable Pipe High Compression Drainage Hose For Soft Soil Foundation
Key Attributes
| Product Name: | Flexible Permeable Pipe | Raw Material: | PP Filament Spring Steel Nonwoven Fabric |
| Diameter Specification: | 50mm–300mm | Pipe Style: | Spiral Reinforced Drainage Hose |
| Feature: | High Water Flow Flexible Structure | Application Field: | Soft Soil Tunnel Retaining Wall Drainage |
| Corrosion Resistance: | Excellent | Length: | Customized |
| High Light: | flexible clogged drain pipe,flexible permeable drainage pipe,50mm clogged drain pipe |
Flexible Permeable Pipe is a professional underground drainage material designed to provide long-term seepage control and efficient groundwater discharge in modern civil engineering projects. The product integrates spring steel reinforcement technology, permeable nonwoven filtration fabric, and polypropylene filament protection into one high-performance drainage system.
The internal spring steel structure supports the pipe body and provides strong compression resistance under soil pressure. Meanwhile, the outer nonwoven filter fabric allows groundwater to quickly penetrate into the drainage pipe while preventing fine particles and sediment from entering the system. This integrated filtration mechanism effectively reduces blockage risks and ensures long-term drainage stability.
Flexible Permeable Pipe is highly flexible and can easily adapt to uneven settlement foundations, curved installations, and complicated terrain conditions. Unlike rigid drainage pipes, it maintains stable drainage performance even under bending or displacement conditions.
The pipe is widely used in soft soil foundation reinforcement, retaining wall drainage, tunnel seepage systems, highway drainage engineering, railway construction, landfill leachate collection, airport drainage systems, and municipal underground engineering. It is also suitable for mining projects, sports grounds, landscaping drainage, and slope stabilization systems.
Because of its lightweight structure and convenient connection method, installation becomes faster and more economical. Contractors can significantly reduce transportation difficulty, labor intensity, and overall project costs.
The external polypropylene fiber layer provides strong protection against environmental aging, corrosion, acid and alkali erosion, and underground biological damage. Therefore, Flexible Permeable Pipe offers excellent durability and long service life even in harsh underground environments.
| Specification | FH50 | FH80 | FH100 | FH150 | FH200 | FH250 |
|---|---|---|---|---|---|---|
| Diameter | 50mm | 80mm | 100mm | 150mm | 200mm | 250mm |
| Steel Wire Diameter | 1.6mm | 2.0mm | 2.6mm | 3.5mm | 4.5mm | 5.0mm |
| Coil Quantity | 55/m | 40/m | 34/m | 25/m | 19/m | 19/m |
| Filter Layer Thickness | 0.30mm | 0.34mm | 0.36mm | 0.38mm | 0.42mm | 0.60mm |
| Tensile Strength MD | ≥1KN/5cm | ≥1KN/5cm | ≥1KN/5cm | ≥1KN/5cm | ≥1KN/5cm | ≥1KN/5cm |
| Tensile Strength CMD | ≥0.8KN/5cm | ≥0.8KN/5cm | ≥0.8KN/5cm | ≥0.8KN/5cm | ≥0.8KN/5cm | ≥0.8KN/5cm |
| Elongation MD | ≥12% | ≥12% | ≥12% | ≥12% | ≥12% | ≥12% |
| Ball Bursting Strength | ≥1.1KN | ≥1.1KN | ≥1.1KN | ≥1.1KN | ≥1.1KN | ≥1.1KN |
| Water Permeability Coefficient | ≥0.1cm/s | ≥0.1cm/s | ≥0.1cm/s | ≥0.1cm/s | ≥0.1cm/s | ≥0.1cm/s |
| Compression Resistance 5% | 4400N/m | 6000N/m | 7200N/m | 8000N/m | 9200N/m | 10400N/m |


Why Choose Our Flexible Permeable Pipe
- High Drainage Efficiency
The three-dimensional permeable structure ensures rapid groundwater discharge and stable filtration performance. - Flexible Yet Strong
Combines flexibility with high compression resistance, suitable for underground and soft foundation projects. - Anti Clogging Design
The filter fabric prevents soil particles from entering the drainage channel and improves long-term service performance. - Cost Effective Engineering Solution
Lower installation costs and reduced maintenance requirements help save overall project budgets. - Multiple Application Areas
Widely used in tunnels, highways, railways, retaining walls, landfills, airports, and mining drainage systems. - Reliable Product Quality
Manufactured under strict quality control standards to ensure stable mechanical and hydraulic performance.
Yes. The pipe materials are resistant to underground corrosion, moisture, and biological erosion, allowing long-term underground use.
Yes. It is commonly installed behind retaining walls to reduce water pressure and improve wall stability.
Flexible Permeable Pipe adapts better to uneven settlement and curved installation environments while maintaining stable drainage performance.
Yes. Customized diameter, filter layer thickness, and roll length are available according to engineering requirements.
Yes. We supply Flexible Permeable Pipe for infrastructure and civil engineering projects in multiple international markets.
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