EN 12007-2:2012 燃氣基礎設施.最大工作壓力達到和超過16 bar的管線.聚乙烯專門功能要求(MOP小于等于10 bar)
Gas infrastructure - Pipelines for maximum operating pressure up to and including 16 bar - Part 2: Specific functional requirements for polyethylene (MOP up to and including 10 bar)