Our HDPE Double Wall Corrugated Pipe is a high-performance piping solution engineered for superior durability and efficiency in fluid transportation. Manufactured in strict accordance with GB/T19472.1—2004 standards, these pipes feature a unique dual-wall structure that combines a smooth inner lining for optimal flow with a corrugated outer shell for maximum structural integrity and load-bearing capacity.
Designed to withstand harsh environmental conditions, this piping system is an ideal choice for modern infrastructure projects. By utilizing eco-friendly high-density polyethylene raw materials and a rigorous quality control process, we provide a solution that ensures long-term reliability, leak-proof performance, and exceptional resistance to chemical corrosion and low temperatures.
| Standard Specification | GB/T19472.1—2004 | Available Diameters | 200mm to 1200mm |
|---|---|---|---|
| Circumferential Pressure SN2 | ≥2 kN/㎡ | Circumferential Pressure SN4 | ≥4 kN/㎡ |
| Circumferential Pressure SN6.3 | ≥6.3 kN/㎡ | Circumferential Pressure SN8 | ≥8 kN/㎡ |
| Circumferential Pressure SN12.5 | ≥12.5 kN/㎡ | Circumferential Pressure SN16 | ≥16 kN/㎡ |
| Impact Strength (TIR) | ≤10% | Creep Ratio Determination | ≤4% |
Exceptional compressive strength and impact resistance ensure stability under heavy loads and external pressure.
Excellent resistance to corrosion and weathering ensures a long service life with minimal maintenance requirements.
The smooth inner wall reduces water resistance and prevents fouling, ensuring efficient fluid transportation.
Highly resistant to acids, alkalis, and various chemicals, making it ideal for industrial and mining use.
Lightweight design combined with high density makes construction and handling convenient and cost-effective.
Superior sealing performance guarantees no leakage, protecting the surrounding environment from contamination.
We utilize environment-friendly raw materials to ensure sustainability and health characteristics.
Strict monitoring from raw material intake to final factory layer quality inspection.
Testing follows global quality management systems to guarantee product consistency.
Continuous innovation in material science to improve deflection and shock resistance.
Comprehensive oven tests and creep ratio determinations to eliminate defects.
Ensuring round, smooth samples without reverse bends or wall division.
| Comparison Factor | Concrete Pipes | HDPE Double Wall Pipe |
|---|---|---|
| Installation Speed | Slow / Heavy Machinery | Fast / Lightweight |
| Corrosion Resistance | Poor (Prone to Erosion) | Excellent (Chemical Inert) |
| Service Life | Medium (20-30 Years) | High (50+ Years) |
| Leakage Risk | High (Joint Failures) | Very Low (Sealed System) |
| Total Cost of Ownership | High Maintenance | Low Life-cycle Cost |
They are primarily used for municipal drainage, residential sewage systems, agricultural irrigation, chemical fluid transportation, and as protection sleeves for high-voltage and telecommunication cables.
The corrugated outer wall provides high compressive strength to resist soil pressure, while the smooth inner wall ensures low friction and prevents sediment buildup.
Yes, it features strong resistance to low temperatures and excellent chemical resistance, making it suitable for mining and chemical industry environments.
Our products are manufactured according to GB/T19472.1—2004 specifications and undergo rigorous testing for creep ratio and impact strength.
Absolutely. Thanks to their good electrical insulation properties and high strength, they are ideal as embedded pipelines for high-voltage and telecom cables.
The pipes are designed with excellent sealing performance and precise jointing technology to ensure a leak-proof system across the entire installation.