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HDPE perforated corrugated pipe, also known as seepage pipe or drainage blind pipe, is a new type of seepage and drainage plastic pipe with a corrugated exterior formed by adding other additives to polyethylene (PE). It is divided into single and double-wall perforated corrugated pipes, characterized by light weight, strong pressure resistance, excellent bending performance, and easy construction. Due to the long strip shape of the pipe holes located in the trough, it effectively overcomes the disadvantage of flat round hole products being easily blocked, thus affecting drainage efficiency. It is suitable for different drainage requirements.
The size of the pipe holes can range from 10mm×1mm to 30mm×3mm and can be evenly distributed within a range of 360 degrees, 270 degrees, 180 degrees, and 90 degrees.
Common specifications for HDPE corrugated pipes: Φ50mm single-wall perforated corrugated pipe is used for circumferential drainage in tunnels; Φ100mm double-wall perforated corrugated pipe is used for longitudinal and transverse drainage in tunnels; Φ400mm double-wall perforated corrugated pipe is used for central drainage in tunnels as well as longitudinal and transverse drainage pipes in roadbed and pavement projects.
Application range of HDPE perforated corrugated pipes
Widely used in drainage fields such as highways, railway subgrades, subway projects, tunnels, green belts, sports fields, landfills, and slope protection caused by high moisture content.
