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1、60度圆锥管螺纹有关尺寸参数表公称通径螺纹 代号60圆锥管螺纹(NPT) (Z)每寸 牙数螺距牙咼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 纹最大夕卜 径小头外径61/8270.9110.75310.248.736.926.703.3010.2210.008.0910.309.988勺4181.4111.12913.6211.3510.0210.214.9014.9215.1110.4213.7013.2510%181.4111.12917.0614.7910.3310.364.9015.2315.2613.8417.1016.6
2、7151/2141.8141.45121.2218.3213.5713.566.3019.8719.8617.0821.3020.71203/4141.8141.45126.5723.6614.0513.866.3020.3520.1622.3926.7026.0325111.52.2091.76733.2329.6916.7917.347.6024.3924.9428.1733.4032.593211/411.52.2091.76741.9938.4517.3017.957.6024.9025.5536.8942.2041.314011/211.52.2091.76748.0544.5217
3、.7818.387.6025.3825.9842.9348.3047.3850211.52.2091.76760.0956.5519.0519.227.6026.6526.8254.8860.3059.406521/283.1752.54072.7067.6123.6728.8911.0034.6739.8965.4473.0071.6180383.1752.54088.6183.5225.8130.4811.0036.8141.4881.2288.9087.39100483.1752.540113.97108.8927.7933.0211.0038.7944.02106.47114.3011
4、2.6355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 数螺距牙咼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 纹最大夕卜 径小头外径6%280.9070.5819.738.576.206.473.209.409.677.9710.509.487.4081/4191.3370.85613.1611.459.409.714.7014.1014.4110.5613.8012.7811.0010%191.3370.85616.6614.959.701
5、0.054.7014.4014.7514.0517.3016.2711.40151/2141.8141.16220.9618.6312.7013.166.3019.0019.4617.4421.7020.4515.00203/4141.8141.16226.4424.1214.1014.536.3020.4020.8322.8427.2025.8516.30251112.3091.47933.2530.2916.2016.798.1024.3024.8928.7734.0032.6019.103211/4112.3091.47941.9138.9518.5019.108.1026.6027.2
6、037.2942.7041.1221.404011/2112.3091.47947.8044.8518.5019.108.1026.6027.2043.1848.6047.0121.40502112.3091.47959.6156.6622.8023.388.1030.9031.4854.6360.5058.6025.706521/2112.3091.47975.1872.2326.7026.668.1034.4834.7670.0576.3074.0930.20803112.3091.47987.8884.9329.8029.848.1037.9037.9482.5589.1086.5933.301004112.3091.479113.03110.0735.8035.808.1043.9043.90107.33114.30111.4439.30