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HDPE Double-Wall Corrugated Pipe
HDPE double-wall corrugated pipe is a special pipe made of high-density polyethylene as raw material by extrusion and special molding process. The inner wall is smooth and the outer wall is a closed waveform.During the processing process, the material is extruded at high temperature in a special forming head and forming mold to separate the inner and outer materials at the peaks, and fuse into a whole in the troughs. It is formed and cooled by vacuum in the mold.
This product is widely used in various building drainage and sewage discharge.Municipal engineering, river treatment, drainage and sewage discharge.Drainage and sewage discharge of chemical enterprises and science and technology parks.Drainage and sewage discharge from colleges and universities and test bases.Papermaking, electroplating, and corporate sewage treatment projects.Urban environmental protection rectification project.Sewage treatment project of domestic sewage dump.Sewage treatment project of water plant.Farmland, water conservancy irrigation, water transportation and drainage projects.
Performance characteristics
◎Strong resistance to external pressure: The outer wall has an annular corrugated structure, which greatly enhances the ring stiffness of the pipe, thereby enhancing the resistance of the pipe to soil load.
◎Low project cost: Under the same load conditions, HDPE double-wall corrugated pipes only need thinner pipe walls to meet the requirements.Compared with solid-walled pipes of the same material specifications, about half of the raw materials can be saved.
◎Easy construction: light weight, easy handling and connection, fast construction, and simple maintenance.
◎Large flow rate: HDPE double-wall corrugated pipe can pass through a larger flow rate than other pipes of the same caliber.The coefficient of friction is small.
◎Good low temperature resistance and impact resistance: the embrittlement temperature is -70°C.Under normal low temperature conditions (above -30℃), special protective measures are not required for construction. Construction in winter is convenient and has good impact resistance.
◎Good chemical stability: the soil, electricity, and acid-base factors of the general use environment will not cause the pipeline to be damaged, bacteria will not breed, and no fouling will occur.
◎Long service life: Under the condition of no longer receiving sunlight and ultraviolet rays, the service life of HDPE double-wall corrugated pipes can reach more than 50 years.
◎Appropriate degree of deflection: A certain length of HDPE double-wall corrugated pipe can be slightly flexibly axially, and it is not affected by a certain degree of uneven settlement on the ground. It can be directly laid in a slightly straight groove without pipe fittings and so on.