NPT螺纹尺寸电子版本.doc

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1、…………………………………………………………最新精品资料推荐……………………………………………………NPT英制螺纹标准与技术数据螺纹规格螺距外径C1底径螺纹标号螺牙角度备注NPT1/41.41113.616 1860 NPT3/81.41117.055 1860 NPT1/21.81421.223 1460 NPT5/81.81426.568 1460 NPT12.20833.227 111/260 NPT11/42.20841.984 111/260 NPT11/22.20848.053 111/260 NPT22.20860.091 111/

2、260 NPT21/23.17572.699 860 NPT33.17588.608 860 NPT31/23.175100.013 860PT：美国标准的60度锥管螺纹…………………………………………………………最新精品资料推荐……………………………………………………5…………………………………………………………最新精品资料推荐……………………………………………………         美制一般密封管螺纹的基本尺寸：尺寸 代号牙数 n螺距 P牙型 高度 h基准平面内的基本直径基准距离L1装配余量L3外螺纹 小端面 内的基 本小径大径d=D中径d1

3、=D2小径d1=D1mm圈数mm圈数mmmm1/16270.9410.7527.8947.1426.3894.324.06432.8226.1371/8270.9410.75210.2429.4898.7374.364.10232.8228.4811/4181.4111.12913.61612.48711.3584.105.78534.23310.9963/8181.4111.12917.05515.92614.7974.326.09634.23314.4171/2141.8141.45121.22419.77218.3214.488.12835

4、.44317.8133/4141.8141.45126.56925.11723.6664.758.61835.44323.127111.52.2091.76733.22831.46129.6944.6010.16036.62629.06011/411.52.2091.76741.98540.21838.4514.8310.66836.35037.788…………………………………………………………最新精品资料推荐……………………………………………………5…………………………………………………………最新精品资料推荐………………………………………………

5、……11/211.52.2091.76748.05446.28744.5204.8310.66836.35043.853211.52.2091.76760.09258.32556.5585.0111.06536.35055.86721/283.1752.54072.69970.15967.6195.4617.33526.35066.535383.1752.54088.60886.06883.5286.1319.46326.35062.31131/283.1752.540101.31698.77696.2366.5720.86026.35094.9

6、32483.1752.540113.973111.433108.8936.7521.43126.350107.554583.1752.540140.952138.412135.8727.5023.81226.350134.384683.1752.540167.792165.252162.7127.6624.32026.350161.191883.1752.540218.441215.901213.3618.5026.98826.350211.6731083.1752.540272.312269.772267.2329.6830.73426.350

7、265.3111283.1752.540323.032320.492317.95210.8834.54426.350315.79314O.D.83.1752.540354.904352.364349.82412.5039.68826.350347.34516O.D.83.1752.540405.784403.244400.70414.5046.03826.350397.82818O.D.83.1752.540456.565454.025451.48516.0050.80026.350448.31020O.D.83.1752.540507.2465

8、04.706502.16617.0053.97526.350498.79224O.D.83.1752.540608.608606.068