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HDPE double-wall corrugated pipe (mining drainage pipe)

This pipeline is manufactured from high-density polyethylene (HDPE) and features an annular corrugated reinforcement structure on its outer wall, enhancing the pipe’s overall ring stiffness and resistance to external pressure.

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Product Introduction

HDPE double-wall corrugated pipe is a high-performance piping product specifically designed for mine drainage systems.

This pipeline is manufactured from high-density polyethylene (HDPE) and features an annular corrugated reinforcement structure on its outer wall, enhancing the pipe’s overall ring stiffness and resistance to external pressure. Its inner wall adopts a smooth‑surface design, reducing fluid flow resistance and improving drainage efficiency.

Mine environments have long been challenged by underground pressure, water accumulation in mine shafts, sediment erosion, high humidity, and corrosive media. Thanks to its outstanding corrosion resistance, impact resistance, lightweight design, and long-term stability, HDPE double-wall corrugated pipe is widely used in mine drainage, open-pit mine drainage, tailings‑area drainage, and the construction of mining infrastructure.

Product Features

1. High ring stiffness and strong load-bearing capacity

The double-wall corrugated structure enhances the overall structural integrity of the pipe, reducing material weight while improving ring stiffness and resistance to external pressure, thereby enabling it to withstand the complex underground conditions and soil pressures typical of mining areas.

2. Excellent corrosion resistance

HDPE material exhibits excellent chemical resistance, providing long-term protection against mine wastewater, acidic and alkaline media, saline solutions, and other corrosive substances, thereby effectively preventing corrosion in metal pipelines.

3. Smooth inner wall for high drainage efficiency

The inner wall of the pipeline is smooth and even, with low frictional resistance, which helps reduce water loss and minimize the deposition of impurities, thereby enhancing the operational efficiency of the mine drainage system.

4. Lightweight design, easy to install

Compared with steel and concrete pipes, HDPE double-wall corrugated pipes are lighter in weight, making transportation, handling, and installation more convenient, and they are particularly well suited for mining areas with complex construction conditions.

5. Excellent impact resistance

HDPE material exhibits excellent toughness and flexibility, enabling it to withstand the impacts and vibrations associated with mining‑site transportation, construction, and geological changes, thereby reducing the risk of pipeline rupture.

6. Long service life, reducing maintenance costs

HDPE exhibits excellent resistance to aging, enabling long-term stable performance in underground environments, reducing maintenance and replacement frequency, and enhancing overall economic efficiency.

Product Specifications

Parameter Item	Technical Specifications
Product Name	HDPE double-wall corrugated pipe
Material	High-density polyethylene (HDPE)
Application areas	Mine drainage, mine shaft drainage, and tailings‑pond drainage
Pipeline structure	Double-wall corrugated structure
Specification Range	DN200-DN1200
Ring Stiffness Grade	SN4 / SN8 / SN10 / SN12.5 / SN16
Standard length	6m / 9m / 12m
Connection method	Socket connection, sealing ring connection, electrofusion connection
Operating temperature	-40℃ to +60℃
Service life	≥50 years
Color	Black (customizable)

One-stop pipeline solutions service

DN20–DN800mm full-range PE water supply pipes, HDPE double-wall corrugated pipes, and MPP electrical conduits—our inventory covers the entire spectrum of municipal engineering, building drainage, and communication network applications, with custom manufacturing available.

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Integrity is the foundation of who we are and the cornerstone of our company’s sustainable development. We trust and respect our customers, employees, suppliers, and other stakeholders. On this basis, we look forward to fostering long-term, mutually beneficial partnerships.

Professional Manufacturing

The factory campus covers over 300 mu and is equipped with more than 60 sets of international CNC‑controlled PE pipe production lines, boasting an annual capacity exceeding 100,000 tons. It also features 1,800 mm large‑diameter extrusion equipment, capable of meeting the demand for extra‑large‑diameter pipes. Complementing this are specialized laboratories and precision testing instruments, ensuring rigorous control over every stage of the production process.

Quality Control

We implement end-to-end quality management, adhere to standardized operating procedures, and strive for zero defects in our products. The company holds multiple certifications, including ISO 9001, ISO 14001, OHSAS 18001, and CE, and can support third-party testing by SGS, CIO, and other accredited bodies. Our products comply with pipeline standards in numerous countries.

Global Services

The company has established two major production bases in Shandong and Sichuan and built a professional international marketing team. Its products are exported to 112 countries, serving more than 500 key global projects, and the company boasts extensive experience in supplying, delivering, and providing ancillary services for large-scale domestic and overseas projects.

Steel-reinforced HDPE spiral pipe

HDPE double-wall corrugated drainage pipe

Construction Cases

Municipal Water Supply Project

Tailings Treatment Project

Factory appearance and premises