配管設計管道器材選用的特點
管道(dao)器(qi)材(cai)是管道(dao)(配(pei)管)設計基礎,它直接影響管道(dao)系統乃至整(zheng)(zheng)個工(gong)程(cheng)(cheng)裝置的質(zhi)量、安(an)全和經濟(ji)性(xing)。管道(dao)器(qi)材(cai)在石油(you)、化(hua)工(gong)、輕工(gong)、食品、制藥、冶金(jin)、電力等工(gong)程(cheng)(cheng)裝置中成本占比較大,管道(dao)器(qi)材(cai)的費用約占整(zheng)(zheng)個EPC總承包工(gong)程(cheng)(cheng)總投資的20%(其(qi)中,管件費用約占7.5%,閥門費用約占53%,...