What are the performance characteristics of polyethylene double-wall corrugated pipes?
Release date:
2023-09-18
Strong resistance to external pressure:
The outer wall features a ring‑shaped corrugated structure, which significantly enhances the pipe’s ring stiffness and, consequently, its resistance to soil loads. In this respect, polyethylene double‑wall corrugated pipes offer clear advantages over other types of piping.
Low construction costs:
Under constant load conditions, polyethylene double-wall corrugated pipes can meet performance requirements with relatively thin wall thicknesses. Consequently, compared with solid-wall pipes of the same material and size, they can reduce raw material consumption by approximately 50%, resulting in lower overall manufacturing costs. This represents another significant advantage of this pipe material.
Construction convenience:
Thanks to the lightweight design of polyethylene double-wall corrugated pipes, which make handling and connection both convenient, installation is fast and maintenance is straightforward. Under tight schedules and challenging construction conditions, these advantages become even more pronounced.
Low friction, high flow rate:
Polyethylene double-wall corrugated pipes, made from polyethylene, can convey a greater flow rate than other pipe materials of the same nominal diameter. In other words, under the same flow‑rate requirements, a polyethylene double-wall corrugated pipe with a smaller nominal diameter may be used.
Good low-temperature resistance and impact resistance:
The embrittlement temperature of polyethylene double-wall corrugated pipes is −70°C. Under typical low-temperature conditions (above −30°C), no special protective measures are required during installation, making winter construction convenient. Moreover, these pipes exhibit excellent impact resistance.
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