GB 50235《工(gong)(gong)(gong)業(ye)金(jin)屬管(guan)(guan)(guan)(guan)(guan)道(dao)(dao)工(gong)(gong)(gong)程(cheng)(cheng)施工(gong)(gong)(gong)規范(fan)(fan)》配套使用GB50184《工(gong)(gong)(gong)業(ye)金(jin)屬管(guan)(guan)(guan)(guan)(guan)道(dao)(dao)工(gong)(gong)(gong)程(cheng)(cheng)施工(gong)(gong)(gong)質(zhi)量驗收(shou)規》和(he)GB 50236《現場設(she)(she)備、工(gong)(gong)(gong)業(ye)管(guan)(guan)(guan)(guan)(guan)道(dao)(dao)焊接(jie)工(gong)(gong)(gong)程(cheng)(cheng)施工(gong)(gong)(gong)規范(fan)(fan)》。工(gong)(gong)(gong)業(ye)金(jin)屬壓(ya)(ya)力管(guan)(guan)(guan)(guan)(guan)道(dao)(dao)應(ying)按TSG D001《壓(ya)(ya)力管(guan)(guan)(guan)(guan)(guan)道(dao)(dao)安全技術(shu)監察規程(cheng)(cheng)-工(gong)(gong)(gong)業(ye)管(guan)(guan)(guan)(guan)(guan)道(dao)(dao)》的規定劃分為GC1、GC2、GC3三個等(deng)級。除壓(ya)(ya)力管(guan)(guan)(guan)(guan)(guan)道(dao)(dao)以外的其他管(guan)(guan)(guan)(guan)(guan)道(dao)(dao)，應(ying)按C類流(liu)體(ti)(ti)管(guan)(guan)(guan)(guan)(guan)道(dao)(dao)和(he)D類流(liu)體(ti)(ti)管(guan)(guan)(guan)(guan)(guan)道(dao)(dao)分類。D類流(liu)體(ti)(ti)管(guan)(guan)(guan)(guan)(guan)道(dao)(dao)指不(bu)可(ke)燃(ran)、無(wu)毒或毒性(xing)為輕度(du)危害程(cheng)(cheng)度(du)、設(she)(she)計壓(ya)(ya)力小(xiao)于或等(deng)于1.0MPa。和(he)設(she)(she)計溫度(du)高于一20℃但(dan)不(bu)高于185℃的流(liu)體(ti)(ti)管(guan)(guan)(guan)(guan)(guan)道(dao)(dao)。C類流(liu)體(ti)(ti)管(guan)(guan)(guan)(guan)(guan)道(dao)(dao)指不(bu)包括D類流(liu)體(ti)(ti)的不(bu)可(ke)燃(ran)、無(wu)毒或毒性(xing)為輕度(du)危害程(cheng)(cheng)度(du)的流(liu)體(ti)(ti)管(guan)(guan)(guan)(guan)(guan)道(dao)(dao)。