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Polyethylene (HDPE) Hollow-Wall Wound Pipe for Buried Applications

HDPE hollow-wall corrugated pipe is a structural pipe material made from high-density polyethylene (HDPE) using a winding molding process. It complies with the standard GB/T19472.2-2017, "Polyethylene (PE) Structural Wall Pipe Systems for Underground Applications," Part 2: "Polyethylene Corrugated Structural Wall Pipes." This pipe is suitable for applications including municipal drainage, outdoor drainage for buildings, underground irrigation and drainage in agricultural areas, industrial wastewater discharge, road drainage, sewage treatment plants, drainage systems for sports fields and plazas, as well as electrical and telecommunications engineering projects—provided that the water temperature being conveyed does not exceed 45°C. As HDPE hollow-wall corrugated pipe is a chemical building material, it plays an important role in conserving energy, reducing pollution, and protecting the environment.

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Polyethylene (HDPE) Hollow-Wall Wound Pipe for Buried Applications

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Product Details

hs Large caliber, diverse varieties

The hollow-wall corrugated pipe with an inner diameter ranging from 220 mm to 1600 mm is suitable for use in various engineering applications.

hs Environmentally friendly and non-toxic

Polyethylene is a non-toxic material that weighs significantly less than concrete pipes and has no impact on the environment.

hs Corrosion-resistant and durable

Good chemical resistance: It is not corroded by sewage or chemicals, nor by corrosive substances in the soil.

hs Easy to install and maintain

Reliable connection and convenient construction: The spigot-and-socket connection method is quick and easy, requiring no heavy equipment. Pipes can be connected outside the trench before being placed into the trench, reducing labor hours and lowering costs for construction, management, and maintenance.

hs Ultra-high strength

The pipe wall adopts an “L”-shaped structure, offering excellent resistance to impact and external loads, as well as superior material toughness. After being subjected to external forces, the product exhibits strong recovery from deformation, demonstrates outstanding resistance to settlement, and shows good adaptability to any type of foundation.

hs Cold-resistant and weather-resistant

Excellent cold resistance and aging resistance: The pipes are typically black and can withstand direct sunlight during storage and installation. However, in low-temperature environments, they may freeze and expand, leading to leaks.

 

Hollow Wall Winding Index

Project

Technical Requirements

Ring stiffness

SN4 ≥ 4 kN/m²

SN8 ≥ 8 kN/m²

Impact strength

TIR ≤ 10%

Flexible ring

The specimen is smooth, with no reverse bending, no cracks, and no separation between the two walls.

Oven test

No bubbles, no layering, no cracking.

Creep rate

≤4

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Polyethylene (HDPE) Hollow-Wall Wound Pipe for Buried Applications

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