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Heavy anti-corrosion steel pipe——Internal epoxy and external 3PE coated Gas pipe
Introduction to development
In the early 1980s, Germany developed a three-layer structure polyolefin anti-corrosion coating. This anti-corrosion layer combines the performance advantages of sintered epoxy powder and extruded polyolefin coating,overcoming the performance problems of the two coatings when used alone. It was first widely used in Europe and well received by users. With the start of production of many 3PE anti-corrosion companies in my country and the localization of 3PE anti-corrosion materials, it has since opened an era of widespread application of domestic 3PE anti-corrosion.
This kind of pipe is coated with epoxy resin powder, adhesive, polyethylene special materials and other raw materials, outer wall coated with 3PE anti-corrosion material, , which can maximize the superposition advantages of various materials and achieve long-term anti-corrosion purposes.
● The steel pipe has been shot blasted and rust-removed, and the coating adhesion is excellent.
● The epoxy resin coating is dense and has small pores, which effectively blocks moisture penetration and has good anti-corrosion effect.
● The adhesive layer can react with the epoxy resin coating to form chemical bonds with strong bonding force.
● The polyethylene special material coating has good flexibility, resistance to bumps, and good anti-corrosion effec
Product performance characteristics
It has extremely high sealing performance, corrosion resistance and low water permeability.
●Construction is convenient, and can be welded and repaired after cutting on site.
●Long service life and excellent corrosion resistance make 3PE anti-corrosion steel pipes have a longer service life than ordinary steel pipes.
●Excellent impact resistance and scratch resistance.
Product advantage
1.Light Weight
2.Corrosion preventive
Fused epoxy powder coating, hot dip zinc and stainless steel, diversified selection can ensure the service life of the pipe.
3.Negative pressure resistance
To meet the negative pressure performance requirements of the pipe for gas drainage, under-0.097MPa pressure, 100h pipe without suction, deformation.
4.Low operating noise
The inner wall of the pipe is a flat wall structure, with the inner wall smooth and low noise during normal operation.
5.Strong adhesion
The selection of anti-corrosion materials are the national standard mature technology type, the use of the process does not fall off, peeling phenomenon.
Product Application
1.Oil and gas industry:
Pipelines used to transport oil, natural gas and related products can effectively resist corrosion, ensure long-term stable operation of pipelines, and reduce the risk of leakage.
2.Urban water supply and drainage systems:
It can ensure that water quality is not polluted, while resisting the erosion of the underground environment and extending the service life of pipelines.
3.Chemical industry:
Transporting various chemical media, due to its good chemical corrosion resistance, it can prevent pipelines from being corroded by chemicals.
4.Marine engineering:
In the marine environment, the double-layer epoxy coating can provide excellent anti-corrosion protection and adapt to the high corrosiveness of seawater.
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