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1、 60度 圆锥管螺纹有关尺寸参数表一公称通径螺纹代号60圆锥管螺纹(NPT) (Z)每寸牙数螺距牙高内螺纹螺纹有效长度螺尾长度螺纹总长度内螺纹最小内径外螺纹DNin大径小径内螺纹外螺纹内螺纹外螺纹最大外径小头外径61/8270.9110.75310.248.736.926.703.3010.2210.008.0910.309.9881/4181.4111.12913.6211.3510.0210.214.9014.9215.1110.4213.7013.25103/8181.4111.12917.0614.7910.3310.364.9015.2315.2613.8417.1016.67151
2、/2141.8141.45121.2218.3213.5713.566.3019.8719.8617.0821.3020.71203/4141.8141.45126.5723.6614.0513.866.3020.3520.1622.3926.7026.0325111.52.2091.76733.2329.6916.7917.347.6024.3924.9428.1733.4032.593211/411.52.2091.76741.9938.4517.3017.957.6024.9025.5536.8942.2041.314011/211.52.2091.76748.0544.5217.781
3、8.387.6025.3825.9842.9348.3047.3850211.52.2091.76760.0956.5519.0519.227.6026.6526.8254.8860.3059.406521/283.1752.54072.7067.6123.6728.8911.0034.6739.8965.4473.0071.6180383.1752.54088.6183.5225.8130.4811.0036.8141.4881.2288.9087.39100483.1752.540113.97108.8927.7933.0211.0038.7944.02106.47114.30112.63
4、55度 圆锥管螺纹有关尺寸参数表二公称通径螺纹代号55圆锥管螺纹(RC、R) (ZG)(PT)(BSPT)每寸牙数螺距牙高内螺纹螺纹有效长度螺尾长度螺纹总长度内螺纹最小内径外螺纹螺纹最长有效长度DNin大径小径内螺纹外螺纹内螺纹外螺纹最大外径小头外径61/8280.9070.5819.738.576.206.473.209.409.677.9710.509.487.4081/4191.3370.85613.1611.459.409.714.7014.1014.4110.5613.8012.7811.00103/8191.3370.85616.6614.959.7010.054.7014.401
5、4.7514.0517.3016.2711.40151/2141.8141.16220.9618.6312.7013.166.3019.0019.4617.4421.7020.4515.00203/4141.8141.16226.4424.1214.1014.536.3020.4020.8322.8427.2025.8516.30251112.3091.47933.2530.2916.2016.798.1024.3024.8928.7734.0032.6019.103211/4112.3091.47941.9138.9518.5019.108.1026.6027.2037.2942.7041.
6、1221.404011/2112.3091.47947.8044.8518.5019.108.1026.6027.2043.1848.6047.0121.40502112.3091.47959.6156.6622.8023.388.1030.9031.4854.6360.5058.6025.706521/2112.3091.47975.1872.2326.7026.668.1034.4834.7670.0576.3074.0930.20803112.3091.47987.8884.9329.8029.848.1037.9037.9482.5589.1086.5933.301004112.3091.479113.03110.0735.8035.808.1043.9043.90107.33114.30111.4439.30
60度 55度圆锥管螺纹有关尺寸参数表
