Hubei corrosion-resistant gas pipe | HDPE material, no need for anti-corrosion for buried use

Background of Anticorrosion Requirements for Buried Gas Pipes in Hubei

Hubei has a well-developed water system, high soil moisture, and large fluctuations in soil pH values in some hilly and plain areas. Traditional metal buried gas pipes require additional three layers of polyethylene anti-corrosion and cathodic protection, which not only involves cumbersome construction processes and high comprehensive costs, but also is prone to leakage and pipe explosion after the later anti-corrosion layer is damaged. This is a common pain point that local gas projects have long faced.

Performance Adaptation Advantages of HDPE Corrosion Resistant Gas Pipes

HDPE material itself has stable chemical inertness, which can withstand most acid and alkali media, soil microorganisms and rhizome erosion. When used as a gas transmission pipe, it can be directly buried in the ground without additional anti-corrosion treatment. Under normal working conditions, the service life can reach more than 50 years. It is suitable for geological conditions in most regions of Hubei, and the maintenance cost of long-term operation is much lower than that of traditional metal pipes.

Construction Selection of HDPE Buried Gas Pipe

When selecting the type, it is necessary to choose the compliance pipe with the corresponding wall thickness and ring stiffness grade according to the gas transmission pressure, buried depth and road load. During construction, there is no need to carry out pre-processes such as rust removal and coating anti-corrosion layer. Only through hot-melt docking and electrofusion connection can the joint and the pipe body be completely sealed, which greatly shortens the construction period and avoids the hidden dangers of later operation caused by improper construction of anti-corrosion layer.