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首页> 外文会议>Proceedings of the ASME India oil and gas pipeline conference 2017 >DEVELOPMENTS IN 3 LAYER PE COATING FOR PIPELINE PROTECTION
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DEVELOPMENTS IN 3 LAYER PE COATING FOR PIPELINE PROTECTION

机译：管道保护用3层PE涂层的发展

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摘要

Three Layer Polyethylene (3LPE) coating for onshore pipelines have been used in India since the early 1980's and have reached a level of maturity. The combination of Gas barrier by FBE layer and moisture barrier with mechanical and UV protection by black PE layer makes it better than either standalone FBE or 2LPE coatings. Further developments in PE materials makes 3LPE coating suitable for a design temperature range of -50℃ to + 90℃ which practically covers all the onshore Oil pipelines in all geographies with excellent outdoor weathering resistance. It has also been possible to provide end-to-end protection with new PO Melt film technology that can give "factory applied" quality girth weld coating on site with complete fusion of girth weld coating with the parent coating, making it a hermetically sealed pipeline. This paper also discusses couple of the failure and success stories of 3LPE coating and their analysis.
机译：自1980年代初以来，用于陆上管道的三层聚乙烯（3LPE）涂料已在印度使用，并且已经达到成熟水平。 FBE层的阻气层和湿气阻隔层与黑色PE层的机械保护和紫外线保护相结合，使其比独立的FBE或2LPE涂层更好。 PE材料的进一步发展使3LPE涂料适用于-50℃至+ 90℃的设计温度范围，实际上覆盖了所有地区的所有陆上石油管道，并具有出色的户外耐候性。还可以通过新的PO Melt膜技术提供端到端的保护，该技术可以在现场提供“工厂应用”质量的环焊缝涂层，并将环焊缝涂层与母体涂层完全融合在一起，从而使其成为密封管道。本文还讨论了3LPE涂层的一些失败和成功案例及其分析。

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