配管設計管道器材選用的特點
管(guan)(guan)道(dao)(dao)器材是管(guan)(guan)道(dao)(dao)（配管(guan)(guan)）設計基礎，它直接影(ying)響管(guan)(guan)道(dao)(dao)系統乃(nai)至整個工(gong)(gong)程(cheng)裝(zhuang)(zhuang)置(zhi)的質量、安全和經濟性(xing)。管(guan)(guan)道(dao)(dao)器材在石油、化工(gong)(gong)、輕(qing)工(gong)(gong)、食品、制(zhi)藥(yao)、冶(ye)金、電力(li)等工(gong)(gong)程(cheng)裝(zhuang)(zhuang)置(zhi)中成本占(zhan)(zhan)比較大(da)，管(guan)(guan)道(dao)(dao)器材的費用(yong)約(yue)占(zhan)(zhan)整個EPC總承包工(gong)(gong)程(cheng)總投資的20％（其中，管(guan)(guan)件費用(yong)約(yue)占(zhan)(zhan)7.5％，閥(fa)門費用(yong)約(yue)占(zhan)(zhan)53％，...
