HDPE Double Wall Corrugated Pipe
HDPE Double wall corrugated pipe has excellent chemical stability, aging resistance and environmental stress cracking resistance. The HDPE Double wall corrugated pipe produced with it is a kind of flexible pipe. Its main performances are as follows:
Strong resistance to external pressure: the outer wall adopts an annular corrugated structure, which greatly enhances the ring stiffness of the pipe, thus enhancing the resistance of the pipe to soil load. In this performance, HDPE Double wall corrugated pipe has obvious advantages over other pipes.
Low project cost: under the condition of equal load, HDPE Double wall corrugated pipe can meet the requirements with only a thinner pipe wall. Therefore, compared with the solid wall pipe with the same material specification, about half of the raw materials can be saved, so the cost of HDPE Double wall corrugated pipe is also low. This is another outstanding feature of the pipeline.
Convenient construction: due to the light weight of HDPE Double wall bellows, it is very convenient for transportation and connection, fast construction and simple maintenance. In the case of tight construction period and poor construction conditions, its advantages are more obvious.
Small friction coefficient and large flow: HDPE Double wall corrugated pipe made of HDPE can pass through larger flow than other pipes with the same diameter. In other words, under the same flow requirements, HDPE Double wall bellows with relatively small diameter can be used.
Good low temperature resistance and impact resistance: the embrittlement temperature of HDPE Double wall bellows is -70 ℃. Under normal low temperature conditions (-30 ℃ or above), no special protective measures are required for construction. Winter construction is convenient. In addition, HDPE Double wall corrugated pipe has good impact resistance.
Good chemical stability: HDPE molecules have chemical stability because they have no polarity. Except for a few strong oxidants, most chemical media have no destructive effect on them. Generally, the soil, electricity, acid and alkali factors of the environment will not damage the pipeline, breed bacteria and scale, and its circulation area will not decrease with the increase of operation time.
Long service life: the service life of HDPE Double wall corrugated pipe can reach more than 50 years without being exposed to sunlight and ultraviolet rays.
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