配管設計管道器材選用的特點
管(guan)(guan)(guan)道(dao)器(qi)材是(shi)管(guan)(guan)(guan)道(dao)（配管(guan)(guan)(guan)）設計基礎，它直接影響管(guan)(guan)(guan)道(dao)系統乃至整(zheng)個工(gong)(gong)(gong)(gong)程(cheng)裝置(zhi)的(de)質量、安全和(he)經(jing)濟性。管(guan)(guan)(guan)道(dao)器(qi)材在(zai)石(shi)油(you)、化工(gong)(gong)(gong)(gong)、輕工(gong)(gong)(gong)(gong)、食品、制藥、冶(ye)金、電(dian)力等工(gong)(gong)(gong)(gong)程(cheng)裝置(zhi)中成本占比較大，管(guan)(guan)(guan)道(dao)器(qi)材的(de)費用約(yue)(yue)占整(zheng)個EPC總承包工(gong)(gong)(gong)(gong)程(cheng)總投資的(de)20％（其(qi)中，管(guan)(guan)(guan)件費用約(yue)(yue)占7.5％，閥門費用約(yue)(yue)占53％，...
