Heavy-Duty Composite Drainage System for Infrastructure & Civil Engineering Applications
| Component | Material | Function |
|---|---|---|
| Inner Wall | HDPE | Smooth bore for optimal hydraulic flow and chemical resistance |
| Steel Reinforcement | High-Strength Ribbed Steel Profile | Provides structural rigidity and load-bearing capacity |
| Outer Wall | HDPE | Corrosion protection for steel core, UV resistance, impact protection |
The steel reinforcement is fully encapsulated by HDPE, ensuring no direct contact between steel and soil or conveyed fluids, eliminating corrosion concerns.
Key Advantages
Exceptional Structural Strength – The embedded steel reinforcement provides high ring stiffness (SN 8 to SN 16 and above), enabling deep burial depths and supporting heavy traffic loads without deformation.
Corrosion Resistance – The steel core is completely encapsulated by HDPE, protecting it from electrochemical corrosion, acidic soils, and aggressive wastewater environments.
Superior Hydraulic Performance – Smooth inner wall with low Manning roughness coefficient (n ≤ 0.01) ensures excellent flow capacity and resistance to solids accumulation.
Lightweight & Easy to Handle – Despite high strength, the pipe weighs significantly less than concrete or steel alternatives, reducing transportation costs and installation labor.
Flexible Joint System – Available with rubber seal joints, coupling connectors, or heat fusion, providing leak-proof connections that accommodate settlement and ground movement.
Long Service Life – Designed for service life exceeding 50 years, resistant to abrasion, chemicals, and environmental stress cracking.
Applications
Stormwater drainage systems
Municipal sewage collection
Highway and road culverts
Industrial wastewater conveyance
Landfill leachate collection
Agricultural irrigation and drainage
Airport and port infrastructure drainage
Mine tailings and slurry transport
Specifications
| Parameter | Details |
|---|---|
| Diameter Range | DN 300 mm to DN 3000 mm and above |
| Ring Stiffness | SN 8, SN 10, SN 12.5, SN 16 available |
| Length | Typically 6 meters or customized |
| Connection Types | Rubber seal coupling, electrofusion, or steel-reinforced couplers |
Installation Overview
The pipe is installed using standard trenching and backfilling procedures. Its lightweight nature allows for faster placement compared to traditional rigid pipes. Rubber seal couplings provide secure, watertight joints that allow for angular deflection, accommodating ground settlement and simplifying installation in variable site conditions.
Quality Assurance
Manufactured under strict quality control systems, our HDPE Corrugated Steel-Reinforced Pipe complies with international standards for material properties, dimensional accuracy, and mechanical performance. Each production batch undergoes ring stiffness testing, impact resistance testing, and dimensional verification.
The product undergoes strict quality control at every stage of development, manufacturing, production, and delivery, making the concept of "quality is life" deeply ingrained in people's hearts.
