管螺纹尺寸表.docx

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1、管螺纹的基本尺寸表（3-29） Gl/2、ZG1/2、（以焊管、镀锌管为例）通称尺寸对应口径尺寸代号外径壁厚最小壁厚每 25.4mm类的牙数n螺距P牙型高度h圆弧半径户基面上的基本直径基准距离大径（基准直径）d=D中径d2=D2小径dl=Dl1/16280.9070.5810.1257.7237.1426.56141分1/8280.9070.5810.1259.7289.1478.56642分DN81/4191.3370.5860.18413.1571230111.4456吩3/8191.3370.5860.18416.66215.80614.95064分DN151/221.32.82.451

2、41.8141.1620.24920.95519.79318.6318吩DN203/426.92.82.45141.8141.1620.24926.44125.27924.117101寸DN25133.7322.8112.3091.4790.31733.24931.77030.29110L2寸DN321-1/442.4353.06112.3091.4790.31741.91040.43138.9521311、1 111 -1/28*103 331.81.410*124 440.0300.0780.0300.030.015-0.012-0.042251.812*175 5532.30.160.2

3、517-226 663.52.822*308 780.03600.0980.040-0.0360.018-0.015-0.05140.203.30.2030-3810 81053.30.250.438-4412 8120.04300.120.050-0 04310.0215-0.018-0.06153.344-5014 9145.53.850-5816 101664.358*6518 111874.465-7520 12200.05200.1490.0650-0 0520.026-0.022-0.0747.54.90.40.675*8522 142295.485-9525 142595.495

4、-11028 1628106.4110*13032 18320.06200.180.0800.0620.031-0.026-0 088117.413015036 2036120.308.40.300.71150-17040 2240139.4170-20045 25451510.4200-23050 28501711.4230-26056 32560.07400.220.100.0740 0370 03201062012.41.21.6260-29063 32632012.4290-33070 367022144330-38080 402515.43 ddskL3公称公称M6卜】7 10L-I

5、2M81.258513kL-15MIO1.511616L-13W121. 7513718L-20M14a15.趴21L-25M1621?；9_24L-28M182.51027 a1-3012O2.5211130L-32M222.5231234L-35M24.a2513、36L-38M27328 a1541L-42M3O3.5加1746)L-50M364382055L-55M424.5442365L-65M4SSB05020.75L-7000GB/T 25012010ICS 23. 040.60J 15华人民共和国国家标准GB/T 25012010代，GB/T25O1 1989船用法兰连接尺寸和密封面Connection dimensions and mating face of marine flanges2011-10-01 实施20110110发布中华人民共和国国家质疑监督检验检疫总局中国国家标准化管理委员会船用法兰连接尺寸和密封面1苑国本标准规定了公募压力为PN 2. 5、PN 6,PN 10.PN 16,PN 25、PN 40,PN 63,公方尺寸为DN 10-DN 2000的米兰连接尺寸宓