在工程設計(ji)中，常(chang)遇(yu)到(dao)廠際(ji)管道（Pipeline between the Plants or District）的設計(ji)，不同(tong)的國內(nei)外規(gui)范，設計(ji)要求可(ke)能不同(tong)。

  在(zai)GB 50160《石油(you)化工企業設(she)計防(fang)火規范》中，廠際管道指敷設(she)在(zai)石油(you)化工企業、油(you)庫、油(you)氣碼頭(tou)等不同(tong)圍墻(qiang)界區之(zhi)間(jian)且通過公共區域、長度小于等于30km的輸(shu)油(you)輸(shu)氣管道。

  在GB/T 51359《石(shi)(shi)(shi)油(you)化(hua)工(gong)(gong)廠(chang)際(ji)管道工(gong)(gong)程(cheng)技術標準》規范中(zhong)，廠(chang)際(ji)管道指(zhi)石(shi)(shi)(shi)油(you)化(hua)工(gong)(gong)及煤化(hua)工(gong)(gong)企(qi)業、石(shi)(shi)(shi)油(you)庫、石(shi)(shi)(shi)油(you)化(hua)工(gong)(gong)碼頭等(deng)相互間的輸送可燃氣體、液化(hua)烴(jing)和可燃液體管道（石(shi)(shi)(shi)油(you)化(hua)工(gong)(gong)園(yuan)區除外）。其特征是敷設在石(shi)(shi)(shi)油(you)化(hua)工(gong)(gong)及煤化(hua)工(gong)(gong)企(qi)業、石(shi)(shi)(shi)油(you)庫、石(shi)(shi)(shi)油(you)化(hua)工(gong)(gong)碼頭等(deng)圍墻(qiang)或用地(di)邊界線之間且通過公共區域(yu)，長度小于或等(deng)于30km。

  廠(chang)際(ji)管(guan)道(dao)(dao)(dao)(dao)的(de)特點是企業(ye)圍(wei)墻或用地(di)邊界線(xian)之(zhi)間、通過公共區域，長(chang)度(du)≤30km。廠(chang)際(ji)管(guan)道(dao)(dao)(dao)(dao)長(chang)度(du)限(xian)定在30km，考慮了與長(chang)距(ju)離輸(shu)(shu)油(you)(you)管(guan)道(dao)(dao)(dao)(dao)的(de)兩切(qie)斷閥間距(ju)相協調。一般(ban)情(qing)況下(xia)，長(chang)距(ju)離輸(shu)(shu)送油(you)(you)氣(qi)(qi)管(guan)道(dao)(dao)(dao)(dao)長(chang)度(du)在50km以上，有中(zhong)間泵站(zhan)或加壓(ya)站(zhan)等特征，而廠(chang)際(ji)管(guan)道(dao)(dao)(dao)(dao)通常是多條管(guan)道(dao)(dao)(dao)(dao)并列敷(fu)設，無中(zhong)間泵站(zhan)或加壓(ya)站(zhan)，這一長(chang)度(du)也(ye)基本涵蓋了目前石油(you)(you)化(hua)工企業(ye)不同圍(wei)墻或用地(di)邊界之(zhi)間的(de)油(you)(you)氣(qi)(qi)管(guan)道(dao)(dao)(dao)(dao)長(chang)度(du)。廠(chang)際(ji)管(guan)道(dao)(dao)(dao)(dao)不屬于地(di)區輸(shu)(shu)油(you)(you)（輸(shu)(shu)氣(qi)(qi)）管(guan)道(dao)(dao)(dao)(dao)，也(ye)不包括石油(you)(you)化(hua)工園(yuan)區內公用的(de)輸(shu)(shu)送可燃氣(qi)(qi)體、液(ye)化(hua)烴(jing)和可燃液(ye)體的(de)管(guan)道(dao)(dao)(dao)(dao)。一般(ban)定義(yi)廠(chang)際(ji)管(guan)道(dao)(dao)(dao)(dao)為(wei)GC類。