GB 50235《工(gong)(gong)(gong)業(ye)金(jin)屬管道(dao)(dao)(dao)工(gong)(gong)(gong)程(cheng)(cheng)(cheng)施(shi)工(gong)(gong)(gong)規范》配(pei)套使用GB50184《工(gong)(gong)(gong)業(ye)金(jin)屬管道(dao)(dao)(dao)工(gong)(gong)(gong)程(cheng)(cheng)(cheng)施(shi)工(gong)(gong)(gong)質量驗收規》和(he)(he)GB 50236《現場設(she)備、工(gong)(gong)(gong)業(ye)管道(dao)(dao)(dao)焊接工(gong)(gong)(gong)程(cheng)(cheng)(cheng)施(shi)工(gong)(gong)(gong)規范》。工(gong)(gong)(gong)業(ye)金(jin)屬壓(ya)力管道(dao)(dao)(dao)應按TSG D001《壓(ya)力管道(dao)(dao)(dao)安(an)全技(ji)術監察規程(cheng)(cheng)(cheng)-工(gong)(gong)(gong)業(ye)管道(dao)(dao)(dao)》的(de)規定劃分(fen)為(wei)(wei)GC1、GC2、GC3三個等級。除壓(ya)力管道(dao)(dao)(dao)以外的(de)其他管道(dao)(dao)(dao)，應按C類流(liu)(liu)體(ti)管道(dao)(dao)(dao)和(he)(he)D類流(liu)(liu)體(ti)管道(dao)(dao)(dao)分(fen)類。D類流(liu)(liu)體(ti)管道(dao)(dao)(dao)指不(bu)可燃、無毒或毒性為(wei)(wei)輕(qing)度(du)危(wei)害程(cheng)(cheng)(cheng)度(du)、設(she)計(ji)(ji)壓(ya)力小于或等于1.0MPa。和(he)(he)設(she)計(ji)(ji)溫度(du)高(gao)于一20℃但不(bu)高(gao)于185℃的(de)流(liu)(liu)體(ti)管道(dao)(dao)(dao)。C類流(liu)(liu)體(ti)管道(dao)(dao)(dao)指不(bu)包括D類流(liu)(liu)體(ti)的(de)不(bu)可燃、無毒或毒性為(wei)(wei)輕(qing)度(du)危(wei)害程(cheng)(cheng)(cheng)度(du)的(de)流(liu)(liu)體(ti)管道(dao)(dao)(dao)。