GB 50235《工(gong)(gong)(gong)(gong)業金(jin)屬管(guan)(guan)(guan)道(dao)(dao)工(gong)(gong)(gong)(gong)程(cheng)(cheng)(cheng)施(shi)(shi)工(gong)(gong)(gong)(gong)規(gui)范》配套使(shi)用GB50184《工(gong)(gong)(gong)(gong)業金(jin)屬管(guan)(guan)(guan)道(dao)(dao)工(gong)(gong)(gong)(gong)程(cheng)(cheng)(cheng)施(shi)(shi)工(gong)(gong)(gong)(gong)質量驗(yan)收規(gui)》和(he)(he)GB 50236《現場設(she)備、工(gong)(gong)(gong)(gong)業管(guan)(guan)(guan)道(dao)(dao)焊接工(gong)(gong)(gong)(gong)程(cheng)(cheng)(cheng)施(shi)(shi)工(gong)(gong)(gong)(gong)規(gui)范》。工(gong)(gong)(gong)(gong)業金(jin)屬壓力(li)(li)管(guan)(guan)(guan)道(dao)(dao)應按TSG D001《壓力(li)(li)管(guan)(guan)(guan)道(dao)(dao)安全技術監察規(gui)程(cheng)(cheng)(cheng)-工(gong)(gong)(gong)(gong)業管(guan)(guan)(guan)道(dao)(dao)》的(de)(de)規(gui)定劃分為(wei)GC1、GC2、GC3三個等級。除壓力(li)(li)管(guan)(guan)(guan)道(dao)(dao)以外的(de)(de)其(qi)他管(guan)(guan)(guan)道(dao)(dao)，應按C類(lei)(lei)(lei)流(liu)(liu)體管(guan)(guan)(guan)道(dao)(dao)和(he)(he)D類(lei)(lei)(lei)流(liu)(liu)體管(guan)(guan)(guan)道(dao)(dao)分類(lei)(lei)(lei)。D類(lei)(lei)(lei)流(liu)(liu)體管(guan)(guan)(guan)道(dao)(dao)指不可燃、無毒或(huo)毒性(xing)為(wei)輕度(du)危(wei)害(hai)程(cheng)(cheng)(cheng)度(du)、設(she)計壓力(li)(li)小于(yu)(yu)(yu)或(huo)等于(yu)(yu)(yu)1.0MPa。和(he)(he)設(she)計溫度(du)高于(yu)(yu)(yu)一20℃但不高于(yu)(yu)(yu)185℃的(de)(de)流(liu)(liu)體管(guan)(guan)(guan)道(dao)(dao)。C類(lei)(lei)(lei)流(liu)(liu)體管(guan)(guan)(guan)道(dao)(dao)指不包括D類(lei)(lei)(lei)流(liu)(liu)體的(de)(de)不可燃、無毒或(huo)毒性(xing)為(wei)輕度(du)危(wei)害(hai)程(cheng)(cheng)(cheng)度(du)的(de)(de)流(liu)(liu)體管(guan)(guan)(guan)道(dao)(dao)。