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钢管steel pipe螺纹端管threaded pipe法兰端管flanged pipe锻制swage光滑弯管smooth bendU型弯管U-bend弯管bending pipe波纹管膨胀节expansinon bellows柔性管flexible pipe管件接头pipe fitting joint机械连接mechanical joint活套连接lapped joint环形垫连接ring type joint扩口接头flare type joint非扩口连接flareless type joint承插连接bell and spigotvictaulic接头victaulic joint弯头elbow异径管reducer管接头coupling活接头union短管nipple法兰flange配对法兰companion flange法兰盖blind flange异径法兰reducing flange八字盲板(1)spectactle blind(2)reversible blind平板式法兰plate flange带颈法兰hubbed flange对焊法兰w elding neck flange松套法兰lapped flange管端突缘stub end法兰面flange face垫片沟槽gasket groove满平面full face突面raised face大准槽面large tongue andgroove face双凹凸面double male &female face大凹凸面large male &femaleface金属垫片metallic gasket非金属垫片non-metallicgasket半金属垫片semi-metallicgasketO型环O-ring透镜垫lens ring对焊butt w eld承插焊接socket w eld滑套焊接slip-on weld焊接支管台weldolet插入环insert ring管帽cap材料表bill of material材料统计take-off管段表line bill of material估算汇总表estimation summary sheet备品备件表spare parts list报价单quotation sheet订货表purchase order schedule材料汇总表bill of material summary状态报告status report分布报告distribution report价格、重量一览表cost & weight summary价格、重量汇总表cost & weight total定货管理表order control管道材料管理表piping material controlsheet元件代码item code标记号tag number标准形态standard shape轴测图isometric drawing管线号line reference批号batch reference管子下料表piping cutting list制做件表fabrication parts list组装件表erection part list固定架anchor滑动架resting su pport导向架gu ide限位架direction stop减振架dampener(2)spec designation阀门号valve NO.等级分界specification break重要管道critical piping总管header pipe仪表管道instrument piping排放管道blowdown piping火炬气管道flare piping输送管线transfer line入口管线suctio...