在工程設(she)計(ji)中，常遇到廠際管道（Pipeline between the Plants or District）的(de)設(she)計(ji)，不(bu)同(tong)的(de)國內外規范，設(she)計(ji)要求可能不(bu)同(tong)。

  在(zai)GB 50160《石油(you)(you)化工(gong)企業設計防(fang)火規范》中，廠際管(guan)道指(zhi)敷設在(zai)石油(you)(you)化工(gong)企業、油(you)(you)庫、油(you)(you)氣(qi)碼頭(tou)等(deng)不(bu)同(tong)圍墻界區之(zhi)間且通(tong)過公共區域(yu)、長度小于(yu)等(deng)于(yu)30km的(de)輸油(you)(you)輸氣(qi)管(guan)道。

  在GB/T 51359《石(shi)油(you)(you)(you)化(hua)(hua)(hua)工(gong)(gong)(gong)廠(chang)際管(guan)道工(gong)(gong)(gong)程技術標準》規范中(zhong)，廠(chang)際管(guan)道指(zhi)石(shi)油(you)(you)(you)化(hua)(hua)(hua)工(gong)(gong)(gong)及(ji)煤化(hua)(hua)(hua)工(gong)(gong)(gong)企業(ye)、石(shi)油(you)(you)(you)庫、石(shi)油(you)(you)(you)化(hua)(hua)(hua)工(gong)(gong)(gong)碼頭(tou)等相互間的輸送可燃氣體(ti)、液化(hua)(hua)(hua)烴和可燃液體(ti)管(guan)道（石(shi)油(you)(you)(you)化(hua)(hua)(hua)工(gong)(gong)(gong)園區(qu)(qu)除(chu)外）。其特征是敷設在石(shi)油(you)(you)(you)化(hua)(hua)(hua)工(gong)(gong)(gong)及(ji)煤化(hua)(hua)(hua)工(gong)(gong)(gong)企業(ye)、石(shi)油(you)(you)(you)庫、石(shi)油(you)(you)(you)化(hua)(hua)(hua)工(gong)(gong)(gong)碼頭(tou)等圍墻或(huo)(huo)用(yong)地邊界線之間且通過(guo)公共區(qu)(qu)域(yu)，長度小(xiao)于(yu)或(huo)(huo)等于(yu)30km。

  廠(chang)際(ji)管(guan)(guan)(guan)(guan)道(dao)(dao)(dao)(dao)的特(te)點是(shi)企業圍墻或(huo)(huo)(huo)用(yong)(yong)地邊(bian)界(jie)線之間(jian)、通(tong)過公共區域，長(chang)(chang)度(du)(du)≤30km。廠(chang)際(ji)管(guan)(guan)(guan)(guan)道(dao)(dao)(dao)(dao)長(chang)(chang)度(du)(du)限(xian)定在30km，考慮了(le)與(yu)長(chang)(chang)距(ju)離輸油(you)(you)管(guan)(guan)(guan)(guan)道(dao)(dao)(dao)(dao)的兩切(qie)斷閥間(jian)距(ju)相協(xie)調。一(yi)般情(qing)況下，長(chang)(chang)距(ju)離輸送(song)油(you)(you)氣(qi)管(guan)(guan)(guan)(guan)道(dao)(dao)(dao)(dao)長(chang)(chang)度(du)(du)在50km以上，有中(zhong)間(jian)泵(beng)站(zhan)或(huo)(huo)(huo)加(jia)壓站(zhan)等特(te)征，而廠(chang)際(ji)管(guan)(guan)(guan)(guan)道(dao)(dao)(dao)(dao)通(tong)常是(shi)多條管(guan)(guan)(guan)(guan)道(dao)(dao)(dao)(dao)并(bing)列敷設，無中(zhong)間(jian)泵(beng)站(zhan)或(huo)(huo)(huo)加(jia)壓站(zhan)，這(zhe)一(yi)長(chang)(chang)度(du)(du)也(ye)基本涵蓋了(le)目前石油(you)(you)化工企業不同圍墻或(huo)(huo)(huo)用(yong)(yong)地邊(bian)界(jie)之間(jian)的油(you)(you)氣(qi)管(guan)(guan)(guan)(guan)道(dao)(dao)(dao)(dao)長(chang)(chang)度(du)(du)。廠(chang)際(ji)管(guan)(guan)(guan)(guan)道(dao)(dao)(dao)(dao)不屬于地區輸油(you)(you)（輸氣(qi)）管(guan)(guan)(guan)(guan)道(dao)(dao)(dao)(dao)，也(ye)不包括石油(you)(you)化工園區內公用(yong)(yong)的輸送(song)可(ke)燃氣(qi)體(ti)、液化烴和可(ke)燃液體(ti)的管(guan)(guan)(guan)(guan)道(dao)(dao)(dao)(dao)。一(yi)般定義廠(chang)際(ji)管(guan)(guan)(guan)(guan)道(dao)(dao)(dao)(dao)為(wei)GC類。