GB 50235《工業金屬管道工程施工規范》的管道分級(類)
GB50235《工(gong)(gong)業(ye)金屬管(guan)(guan)(guan)道工(gong)(gong)程(cheng)施(shi)工(gong)(gong)規范》配套使用GB50184《工(gong)(gong)業(ye)金屬管(guan)(guan)(guan)道工(gong)(gong)程(cheng)施(shi)工(gong)(gong)質量驗收規》和GB50236《現場設備(bei)、工(gong)(gong)業(ye)管(guan)(guan)(guan)道焊(han)接工(gong)(gong)程(cheng)施(shi)工(gong)(gong)規范》。工(gong)(gong)業(ye)金屬壓(ya)力管(guan)(guan)(guan)道應按TSGD001《壓(ya)力管(guan)(guan)(guan)道安全(quan)技術監察規程(cheng)-工(gong)(gong)業(ye)管(guan)(guan)(guan)道》的規定(ding)劃分為GC1、G...