配管設計管道器材選用的特點
管道(dao)器(qi)材是(shi)管道(dao)(配(pei)管)設計基礎,它直接影響(xiang)管道(dao)系統乃至整個工(gong)程(cheng)裝(zhuang)(zhuang)置(zhi)的質(zhi)量、安全(quan)和經濟性。管道(dao)器(qi)材在石油(you)、化工(gong)、輕工(gong)、食品、制藥、冶金、電力等工(gong)程(cheng)裝(zhuang)(zhuang)置(zhi)中(zhong)成本占比(bi)較大,管道(dao)器(qi)材的費用約占整個EPC總承包工(gong)程(cheng)總投資的20%(其中(zhong),管件費用約占7.5%,閥門(men)費用約占53%,...