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DN-公称直径 Ф-外径 对照表DN15-ф22mm DN20-ф27mm DN25-ф34mm DN32-ф42mm DN40-ф48mm DN50-ф60mm DN65-ф76(73)mmDN80-ф89mm DN100-ф114mmDN125-ф140mm DN150-ф168mmDN200-ф219mm DN250-ф273mmDN300-ф324mm DN350-ф360m
API油管规格及尺寸 公称尺寸(in)不加厚外径(mm)不加厚内径(mm)加厚外径(mm)加厚内径(mm)不加厚接箍外径(mm)加厚接箍外径(mm)1 12 38 石油油管螺纹代号对照表 平式油管螺纹外加厚油管螺纹 12 平式扣 12 外加厚扣2 38 TBG2 平式扣2 38UPTBG2 外加厚扣2 78 TBG2 12 平式扣2 78UPTBG2 12 外加厚扣3 12 TBG3
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GaugeMild Steel AluminumGalvanized SteelStainless ??????????? :
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公称通径Nominal Pipe Size外径Outside Diameter公称壁厚TNorminal Wall ThicknessNPSBNDSCH5sSCH10sSCH10SCH20SHC30SCH40sSTDSCH40SCH60SCH80sXSSCH80SCH100SCH120SCH104SCH160XXS181438 6810 --------- -------------------
DN|英寸|公
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