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The epoxy zinc rich anti-corrosion steel pipe is composed of an epoxy coating on the inner wall of the steel pipe and a zinc rich sealing layer on the outer wall. Epoxy coating has excellent chemical corrosion resistance and can effectively resist the corrosion of chemical substances such as acid and alkali; The zinc rich sealing layer forms a corrosion-resistant protective layer through galvanizing technology, which delays the oxidation and corrosion of the outer wall of the steel pipe. This double-layer structure achieves comprehensive protection through synergistic effects, especially suitable for harsh environments such as oil, natural gas, and chemical industries.
keyword Epoxy zinc rich anti-corrosion steel pipe Category Anti-coating pipe name Related products Get a quoteEpoxy zinc rich anti-corrosion steel pipe
Structure and anti-corrosion principle of epoxy zinc rich anti-corrosion steel pipe
The epoxy zinc rich anti-corrosion steel pipe is composed of an epoxy coating on the inner wall of the steel pipe and a zinc rich sealing layer on the outer wall. Epoxy coating has excellent chemical corrosion resistance and can effectively resist the corrosion of chemical substances such as acid and alkali; The zinc rich sealing layer forms a corrosion-resistant protective layer through galvanizing technology, which delays the oxidation and corrosion of the outer wall of the steel pipe. This double-layer structure achieves comprehensive protection through synergistic effects, especially suitable for harsh environments such as oil, natural gas, and chemical industries.
Production process and construction technology
The production of epoxy zinc rich anti-corrosion steel pipes adopts a three-layer PE process, including bottom layer epoxy powder (FBE), middle layer adhesive (AD), and outer layer polyethylene (PE). During construction, it is necessary to strictly control the installation process of the heating shrinkage band, such as installing when the primer is wet, heating and compacting the fixing plate, and ensuring the sealing of the anti-corrosion layer. In addition, the coating technology achieves dual anti-corrosion of the inner and outer walls by fusing epoxy resin powder, which has strong adhesion and meets food grade hygiene standards, making it suitable for water pipelines.
Performance advantages and application areas
Compared with traditional steel pipes, epoxy zinc rich anti-corrosion steel pipes have a 3-5 times longer service life, significantly reducing replacement frequency and resource consumption. Its smooth inner wall reduces fluid resistance, and its outer wall has strong impact resistance, making it widely used in buried oil pipelines, urban water supply, fire protection systems, and marine engineering. For example, the application of three-layer PE anti-corrosion technology in the West East Gas Pipeline Project effectively addresses soil corrosion and microbial erosion.
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