配管設計管道器材選用的特點
管(guan)(guan)道器(qi)材(cai)是(shi)管(guan)(guan)道（配管(guan)(guan)）設計基(ji)礎，它直接影響(xiang)管(guan)(guan)道系(xi)統乃(nai)至整(zheng)個(ge)工(gong)程裝置的質量、安全和經濟性。管(guan)(guan)道器(qi)材(cai)在石油(you)、化工(gong)、輕(qing)工(gong)、食(shi)品、制藥、冶金、電力等(deng)工(gong)程裝置中成本(ben)占(zhan)(zhan)比較大，管(guan)(guan)道器(qi)材(cai)的費(fei)用約占(zhan)(zhan)整(zheng)個(ge)EPC總承包工(gong)程總投資的20％（其中，管(guan)(guan)件費(fei)用約占(zhan)(zhan)7.5％，閥(fa)門(men)費(fei)用約占(zhan)(zhan)53％，...
