GB 50235《工業金屬管道工程施工規范》的管道分級(類)
GB50235《工(gong)(gong)業金屬管(guan)道工(gong)(gong)程施工(gong)(gong)規(gui)范(fan)》配套(tao)使用GB50184《工(gong)(gong)業金屬管(guan)道工(gong)(gong)程施工(gong)(gong)質量驗收規(gui)》和GB50236《現(xian)場設備、工(gong)(gong)業管(guan)道焊接工(gong)(gong)程施工(gong)(gong)規(gui)范(fan)》。工(gong)(gong)業金屬壓力管(guan)道應按TSGD001《壓力管(guan)道安全技(ji)術監察(cha)規(gui)程-工(gong)(gong)業管(guan)道》的規(gui)定劃分為GC1、G...