配管設計管道器材選用的特點
管(guan)(guan)道器材是管(guan)(guan)道（配管(guan)(guan)）設(she)計基礎，它直(zhi)接影響(xiang)管(guan)(guan)道系統乃(nai)至(zhi)整個工(gong)(gong)(gong)程裝置的質量、安全和經濟(ji)性(xing)。管(guan)(guan)道器材在石油、化工(gong)(gong)(gong)、輕工(gong)(gong)(gong)、食品(pin)、制藥、冶金、電力等(deng)工(gong)(gong)(gong)程裝置中(zhong)成本(ben)占(zhan)(zhan)比較(jiao)大，管(guan)(guan)道器材的費用約(yue)(yue)占(zhan)(zhan)整個EPC總(zong)承包工(gong)(gong)(gong)程總(zong)投資的20％（其(qi)中(zhong)，管(guan)(guan)件費用約(yue)(yue)占(zhan)(zhan)7.5％，閥門(men)費用約(yue)(yue)占(zhan)(zhan)53％，...
