PVC Hard Permeable Pipe Flexible Permeable Pipe Underground Drainage Pipe For Retaining Wall And Tunnel Engineering
PVC Hard Permeable Pipe is a modern underground drainage solution designed for efficient groundwater collection, filtration, and rapid discharge. This Flexible Permeable Pipe combines high compressive strength, lightweight structure, and excellent permeability performance, making it one of the most popular drainage materials in civil engineering and geotechnical projects.
The pipe adopts a semi-perforated design where the upper section contains dense drainage holes for water infiltration, while the bottom section remains sealed to prevent water backflow and secondary seepage. Compared with traditional gravel drainage systems, this product significantly reduces construction workload and improves drainage efficiency.
Manufactured from high-quality PVC or HDPE resin, the pipe features strong weather resistance, anti-aging performance, and long-term underground durability. The corrugated exterior enhances structural rigidity and allows the pipe to withstand heavy earth pressure without deformation.
Flexible Permeable Pipe products are widely used in retaining walls, municipal drainage systems, subgrade drainage projects, tunnel waterproofing systems, landfill engineering, airport construction, and landscaping drainage systems.
| Specification | Pipe Diameter mm | Wall Thickness mm | Hole Diameter mm | Opening Density pcs/m² | Ring Stiffness |
|---|---|---|---|---|---|
| FP50 | 50 | 2.0 | 3 | 180 | SN8 |
| FP75 | 75 | 2.5 | 4 | 210 | SN8 |
| FP100 | 100 | 3.0 | 5 | 240 | SN10 |
| FP150 | 150 | 3.5 | 6 | 260 | SN12 |
| FP200 | 200 | 4.0 | 8 | 280 | SN16 |
| Property | Unit | Value |
|---|---|---|
| Vertical Permeability | cm/s | ≥0.25 |
| Water Absorption | % | ≤0.4 |
| Impact Resistance | Times | No Damage |
| Flow Capacity | L/min | 150-1200 |
| UV Resistance | Hours | 5000 |
| Service Temperature | ℃ | -30 to 80 |
| Compression Strength | KPa | ≥450 |
| Service Life | Years | ≥50 |
We are an experienced geosynthetic material manufacturer focusing on high-performance drainage solutions for global infrastructure projects.
Our advantages include:
- Professional production line with stable quality control
- Customized pipe diameters and lengths available
- Strict inspection before shipment
- Fast production lead time for bulk orders
- Rich export experience worldwide
- OEM brand support for distributors
- Technical installation guidance provided
- Competitive pricing directly from factory
Yes. Its lightweight structure and high drainage efficiency make it ideal for soft soil reinforcement and drainage consolidation systems.
HDPE provides better flexibility and impact resistance, while PVC offers higher rigidity and dimensional stability. Both are suitable depending on project requirements.
Yes. The corrugated reinforced structure provides high ring stiffness and allows deep burial under heavy soil pressure.
No. The perforation design combined with optional filter fabric effectively prevents sediment blockage and maintains long-term drainage efficiency.
Yes. Diameter, perforation size, pipe length, and material thickness can all be customized.
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