長輸(shu)管道(dao)(dao)(dao)(dao)、公(gong)用(yong)(yong)管道(dao)(dao)(dao)(dao)、工(gong)業管道(dao)(dao)(dao)(dao)（含(han)動(dong)力(li)管道(dao)(dao)(dao)(dao)）標(biao)準規(gui)(gui)范(fan)(fan)(fan)(fan)均有適用(yong)(yong)范(fan)(fan)(fan)(fan)圍(wei)要(yao)求(qiu)，對(dui)(dui)管道(dao)(dao)(dao)(dao)設計(ji)的規(gui)(gui)范(fan)(fan)(fan)(fan)要(yao)求(qiu)差別較大(da)，不能(neng)混用(yong)(yong)，應(ying)首先區分(fen)清楚標(biao)準規(gui)(gui)范(fan)(fan)(fan)(fan)的適用(yong)(yong)范(fan)(fan)(fan)(fan)圍(wei)界線(xian)。例(li)如，對(dui)(dui)于(yu)輸(shu)油輸(shu)氣管道(dao)(dao)(dao)(dao)，在長輸(shu)管道(dao)(dao)(dao)(dao)標(biao)準規(gui)(gui)范(fan)(fan)(fan)(fan)內要(yao)求(qiu)埋地敷(fu)設，但是在工(gong)業管道(dao)(dao)(dao)(dao)規(gui)(gui)范(fan)(fan)(fan)(fan)中要(yao)求(qiu)應(ying)架空(kong)或沿(yan)地敷(fu)設。對(dui)(dui)于(yu)大(da)型煉化一(yi)體(ti)化工(gong)程，常(chang)會遇到長輸(shu)管道(dao)(dao)(dao)(dao)、公(gong)用(yong)(yong)管道(dao)(dao)(dao)(dao)、工(gong)業管道(dao)(dao)(dao)(dao)及動(dong)力(li)管道(dao)(dao)(dao)(dao)，設計(ji)分(fen)界見GB/T 34275《壓力(li)管道(dao)(dao)(dao)(dao)規(gui)(gui)范(fan)(fan)(fan)(fan) 長輸(shu)管道(dao)(dao)(dao)(dao)》、GB/T 38942《壓力(li)管道(dao)(dao)(dao)(dao)規(gui)(gui)范(fan)(fan)(fan)(fan) 公(gong)用(yong)(yong)管道(dao)(dao)(dao)(dao)》、GB/T 20801《壓力(li)管道(dao)(dao)(dao)(dao)規(gui)(gui)范(fan)(fan)(fan)(fan) 工(gong)業管道(dao)(dao)(dao)(dao)》的規(gui)(gui)范(fan)(fan)(fan)(fan)上的示意圖(tu)。