3PE anti-corrosion seamless steel pipe

The processing methods of 3PE anticorrosive seamless steel pipe are generally divided into winding type and circular mold coating. The three-layer polyethylene coating (3PE) has the advantages of melt epoxy powder coating and extrusion polyethylene coating, interface performance, chemical resistance and extrusion performance of melt epoxy powder coating, and mechanical protection of polyethylene coating. , which significantly improves its performance. Therefore, as the external protective layer of underground pipeline, it is very superior. It is understood that three-layer polyethylene can make the service life of underground pipeline reach 50 years, which is internationally recognized as an advanced pipeline anti-corrosion technology. In China, three-layer PE is in the leading position in the application of oil and gas system. Shaanxi Beijing natural gas pipeline and reservoir pipeline have been built in China. Three layers of PE anticorrosive coating have been applied to the West and East pipelines nearly 4000 kilometers away from the national key projects. In Tianjin, there are 67 kilometers of high-pressure natural gas pipelines to Shaanxi and Shaanxi, and 30 kilometers of high-pressure natural gas pipelines from the outer ring road. The 122 km pipeline of the underground gas storage of Shaanxi Beijing line is also PE on the third floor. 3PE anti-corrosion (three kinds of polyethylene) process is an advanced anti-corrosion technology introduced from abroad in the late 1990s. Its full name is molten epoxy / extruded polyethylene protection structure. 3PE anticorrosion technology combines the excellent performance of epoxy coating and extruded polyethylene coating, and combines the interface performance and chemical resistance of epoxy coating with the mechanical protection performance of polyolefin extruded anticorrosion coating, so as to significantly improve their performance. Its characteristics: high mechanical strength, wear-resistant, corrosion-resistant, heat-resistant, cold resistant, suitable for 150 degree medium, suitable for cold areas. Therefore, 3PE coating is an ideal product for buried pipeline protection. According to the test of authority department, the underground pipeline with 3PE anticorrosion technology can be used for up to 50 years.



3PE anticorrosive seamless steel pipe


In China, three-layer PE is in the leading position in the application of oil and gas system. China has completed the transportation of Shaanxi Beijing natural gas pipeline and reservoir pipeline. In recent years, three layers of PE anticorrosive coating have been applied to nearly 4000 kilometers of East-West pipeline of national key projects. In Tianjin, there are 67 kilometers of high-pressure natural gas pipelines to Shaanxi and Shaanxi, and 30 kilometers of high-pressure natural gas pipelines from the outer ring road. The 122 km pipeline of the underground gas storage of Shaanxi Beijing line is also PE on the third floor. It has become the future direction of pipeline coating development! The three-layer polyethylene coating (3PE) of 3PE anticorrosive steel pipe combines the excellent performance of two kinds of anticorrosive coatings, i.e. molten epoxy powder coating and extruded polyethylene coating, the interface performance and chemical resistance of molten epoxy powder coating, and the extruded polyethylene coating combined with the advantages of mechanical protection can significantly improve its performance. 3PE anti-corrosion steel pipe has the advantages of light weight, high strength, heat insulation, sound insulation, fire resistance, cold resistance, anti-corrosion, non water absorption, rapid construction, etc. It has become an indispensable thermal insulation and anticorrosive material for construction, transportation, kerosene, chemical industry, waterproof and leakage stoppage, sealing, etc. 3PE anticorrosive steel pipe is used for anticorrosion and heat preservation of various pipes in the room, pigeon common heat pipe, local air conditioning pipe, chemical industry, pipeline and other industries. 3PE foam antisepsis pipe has been rapidly developed since its birth in 30s as a good material for adiabatic preservatives since its birth in 30s. It has been used more and more widely, and because of its complex structure, energy saving and anticorrosive effect are obvious, and it has been widely used in various heating, refrigeration, petroleum, steam and other pipelines. Widely used in various heating, refrigeration, oil, steam and other pipelines