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The HDPE Double Wall Corrugated Drain Pipe serves as a highly reliable foundation for modern buried drainage and sewage networks. Manufactured through an advanced one-time extrusion molding process using high-density polyethylene, this piping solution features a unique dual-wall construction. The corrugated outer layer provides essential structural integrity and ground load resistance, while the exceptionally smooth inner wall ensures unobstructed fluid flow. Designed primarily for medium and small-diameter branch lines and secondary trunk pipelines, it effectively complements larger trunk systems in complex municipal layouts. By minimizing internal sedimentation and resisting underground stress, this pipe helps project managers and contractors significantly reduce long-term maintenance costs while ensuring stable fluid transport for decentralized municipal, residential, and industrial projects.
The following technical parameters outline the core capabilities of our corrugated drain pipes, designed to assist procurement teams and engineers in verifying project compatibility and load requirements.
Item | Core Specification |
Nominal Outer Diameter | Conventional DN110-DN800/1000mm, standard medium and small diameters |
Ring Stiffness Grade | Conventional SN4/SN8, SN12.5 customizable for special load conditions |
Raw Material | 100% virgin HDPE, food-grade raw material optional for special applications |
Manning Roughness Coefficient | n=0.009 (ultra-smooth inner wall for low flow resistance) |
Design Service Life | Over 50 years for long-term buried application |
Connection Methods | Rubber ring flexible socket (main), electrofusion connection (for special joints) |
Applicable Burial Depth | 1-3m, suitable for municipal branch and residential pipeline laying |
Product Weight | Lightweight design, 1/5-1/3 of the same-diameter concrete pipe |
Cost-Effective Production: The one-time extrusion molding process ensures consistent dimensional accuracy and stable output. This operational efficiency translates to highly competitive pricing, making it an ideal choice for large-scale municipal branch network developments.
Comprehensive Diameter Range: With standard sizes ranging from DN110 to DN1000mm, this product line fully covers the diverse drainage requirements of residential communities, commercial zones, and industrial park branch pipelines.
Enhanced Impact Resistance: The corrugated exterior effectively distributes soil loads and external pressure, while the inner wall maintains structural integrity. This prevents deformation under standard burial conditions and adapts well to general geological variations.
Efficient Installation: The lightweight nature of the pipe combined with streamlined connection methods significantly reduces labor time and heavy machinery requirements, lowering overall site costs compared to traditional concrete alternatives.
Optimized Hydraulic Performance: An ultra-smooth interior minimizes water flow friction. This high flow efficiency prevents sludge buildup, thereby reducing the frequency and cost of pipeline dredging and maintenance.
Strong Environmental Adaptability: Formulated with virgin HDPE, the pipes resist chemical corrosion, soil acidity, and low-temperature cracking. They remain stable during open-air storage and perform reliably in varied underground climates without requiring additional protective coatings.
Flexible Alignment: The inherent flexibility of the pipe body accommodates minor ground settlements and allows for slight bending. This characteristic is particularly valuable when navigating tight construction spaces, green belts, or non-linear routing.
Sustainable Material: Non-toxic and fully recyclable at the end of its service life, this pipe aligns with modern environmental protection standards and green infrastructure initiatives.
Engineered for medium-to-low flow capacities, the HDPE Double Wall Corrugated Drain Pipe is a versatile choice for diverse infrastructure developments. Typical applications include municipal stormwater and sewage branch lines in urban areas, domestic wastewater management in residential and commercial districts, and industrial effluent discharge in manufacturing zones. It is also highly suitable for specialized environments such as underground garage drainage, suburban infrastructure upgrades, and rainwater collection systems for landscaping and public squares. By matching the specific load and flow requirements of these scenarios, it ensures a stable, long-lasting underground network that mitigates the risk of blockages and structural failures.
Manufactured exclusively from 100% virgin HDPE, our corrugated drain pipes meet stringent standards for underground drainage systems. Each batch undergoes rigorous factory testing, including air tightness and ring stiffness evaluations, to ensure consistent performance upon delivery. Recognizing that every project has unique load and environmental demands, we offer tailored manufacturing solutions. This includes custom ring stiffness ratings up to SN12.5 for heavier load areas, specific pipe lengths to minimize jointing, and food-grade material options for sensitive water projects. Backed by comprehensive technical support and efficient production cycles, we assist contractors in maintaining tight project schedules without compromising on reliability.
A1: The primary installation method utilizes a rubber ring flexible socket connection. This manual push-fit process requires no specialized welding machinery, making it highly efficient for rapid on-site assembly, particularly in residential areas or trenches with limited working space.
A2: Yes, its lightweight nature and availability in smaller diameters make it an excellent fit for landscaping drainage. Additionally, the inherent chemical resistance of HDPE protects the pipeline from potential degradation caused by soil acidity or fertilizers, ensuring long-term durability.
A3: This double-wall corrugated pipe is designed for medium and small-diameter branch lines with lower flow rates and shallower burial depths (typically 1-3m). In contrast, the HDPE Hollow Wall Winding Drain Pipe is engineered for large-diameter trunk lines that require high flow capacities, deep burial, and heavy-load resistance. Together, they provide a complete, complementary drainage network solution.
Construction Requirements-HDPE Double Wall Corrugated Drain Pipe.pdf
