Gaseous fuels. Regulation pressure and/or measurement packages with a maximum operating pressure up to 5 bar. Part 3: Packages to built in, attach or place in enclosures with an equivalent nominal volume of flow from 100 m3(n)/h to 250m3(n)/h of natural gas.
气体燃料 最大工作压力高达5巴的调节压力和/或测量包 第3部分:内置、连接或放置在额定流量为100 m3(n)/h至250 m3(n)/h天然气的外壳中的包装