GB 50235《工(gong)業金屬管(guan)(guan)道(dao)(dao)工(gong)程(cheng)(cheng)(cheng)施(shi)(shi)(shi)工(gong)規(gui)范(fan)》配(pei)套使用GB50184《工(gong)業金屬管(guan)(guan)道(dao)(dao)工(gong)程(cheng)(cheng)(cheng)施(shi)(shi)(shi)工(gong)質(zhi)量(liang)驗(yan)收(shou)規(gui)》和(he)(he)GB 50236《現(xian)場(chang)設備、工(gong)業管(guan)(guan)道(dao)(dao)焊接工(gong)程(cheng)(cheng)(cheng)施(shi)(shi)(shi)工(gong)規(gui)范(fan)》。工(gong)業金屬壓(ya)力(li)(li)管(guan)(guan)道(dao)(dao)應(ying)按TSG D001《壓(ya)力(li)(li)管(guan)(guan)道(dao)(dao)安全(quan)技(ji)術監(jian)察(cha)規(gui)程(cheng)(cheng)(cheng)-工(gong)業管(guan)(guan)道(dao)(dao)》的(de)(de)規(gui)定劃分(fen)為(wei)(wei)GC1、GC2、GC3三個等級。除壓(ya)力(li)(li)管(guan)(guan)道(dao)(dao)以(yi)外的(de)(de)其他管(guan)(guan)道(dao)(dao)，應(ying)按C類(lei)流(liu)(liu)(liu)(liu)體(ti)管(guan)(guan)道(dao)(dao)和(he)(he)D類(lei)流(liu)(liu)(liu)(liu)體(ti)管(guan)(guan)道(dao)(dao)分(fen)類(lei)。D類(lei)流(liu)(liu)(liu)(liu)體(ti)管(guan)(guan)道(dao)(dao)指(zhi)不(bu)可(ke)燃(ran)、無(wu)毒(du)(du)或毒(du)(du)性為(wei)(wei)輕度(du)危害(hai)程(cheng)(cheng)(cheng)度(du)、設計(ji)壓(ya)力(li)(li)小于(yu)(yu)或等于(yu)(yu)1.0MPa。和(he)(he)設計(ji)溫(wen)度(du)高(gao)于(yu)(yu)一20℃但不(bu)高(gao)于(yu)(yu)185℃的(de)(de)流(liu)(liu)(liu)(liu)體(ti)管(guan)(guan)道(dao)(dao)。C類(lei)流(liu)(liu)(liu)(liu)體(ti)管(guan)(guan)道(dao)(dao)指(zhi)不(bu)包括D類(lei)流(liu)(liu)(liu)(liu)體(ti)的(de)(de)不(bu)可(ke)燃(ran)、無(wu)毒(du)(du)或毒(du)(du)性為(wei)(wei)輕度(du)危害(hai)程(cheng)(cheng)(cheng)度(du)的(de)(de)流(liu)(liu)(liu)(liu)體(ti)管(guan)(guan)道(dao)(dao)。