3pe anti-corrosion pipeline spiral pipe 3pe anti-corrosion 3pe anti-corrosion steel pipe manufacturer

Description :

　　3PE anti-corrosion steel pipe polyethylene three-layer structure protective layer, also known as three-layer PE (3PE), is an anti-corrosion technology introduced from abroad in recent years. The coating of 3PE anti-corrosion steel pipe is an epoxy powder anti-corrosion coating in contact with the bottom layer and the steel pipe surface, and a copolymer adhesive with branched functional groups in the middle layer. The surface layer is a high-density polyethylene anti-corrosion coating. The 3PE anti-corrosion coating combines the high impermeability, environmental friendliness, and high mechanical properties of epoxy resin and polyethylene materials. So far, it is globally recognized as an effective and high-performance pipeline anti-corrosion coating, which has been applied in many engineering projects.

　　The three-layer polyethylene anti-corrosion and insulation steel pipe has good insulation performance, with a heat loss of only 25% of the pipe material. Long term operation can still save significant resources, with obvious energy costs. It also has strong waterproof and corrosion resistance, and does not require a pipe trench. It can be directly buried underground or in water. It is also simple and fast to construct, with a relatively low overall cost. It also has good corrosion and impact resistance under low temperature conditions, and can be directly buried in frozen soil to a certain extent. 3PE anti-corrosion steel pipe three-layer structure polyethylene anti-corrosion coating (3PE) combines the excellent properties of fusion bonded epoxy powder coating and extruded polyethylene anti-corrosion coating. It combines the interface characteristics and chemical resistance of fusion bonded epoxy powder coating with the mechanical protection characteristics of extruded polyethylene anti-corrosion coating, thereby significantly improving their respective performance. Therefore, as an external protective layer for buried pipelines, it is very superior. According to relevant information, three-layer PE can extend the lifespan of buried pipelines to 50 years.

　　In China, three-layer PE has taken the lead in strengthening the three-layer polyethylene anti-corrosion steel pipe base materials in the petroleum industry, including seamless steel pipes, spiral steel pipes, and straight seam steel pipes. Anti corrosion pipelines can be divided into two categories: inner lining anti-corrosion steel pipes and outer wall anti-corrosion steel pipes. The main anti-corrosion methods for lining include cement mortar lining anti-corrosion steel pipes, which are widely used and have lower costs. Cement mortar lining anti-corrosion steel pipes use a cement mortar anti-corrosion layer to prevent corrosion of the pipeline. The commonly used external anti-corrosion pipeline is the 3pe anti-corrosion pipeline. Anti corrosion technology is the process of covering the outer or inner wall of steel pipes with anti-corrosion coatings to protect the pipeline itself. It can process various types of pipes such as straight seam steel pipes and spiral steel pipes.

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