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1、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 牙数螺距牙冋内螺纹螺纹有效 长度螺尾 长度螺纹总长 度内螺纹 取小内 径外螺纹DXin大径小径内螺 纹外螺 纹内螺 纹外螺 纹最大外 径小头外 径67s270.9110. 75310.248. 736. 926. 703. 3010.2210.008. 0910. 309. 988y4181.4111. 12913.6211.3510.0210.214. 9014.9215. 1110. 4213. 7013. 25107s181.4111. 12917.0614. 7910.3310.364. 901
2、5.2613. 8417. 1016. 6715y2141.8141.45121.2218.3213.5713.566. 3019.8719.8617. 0821. 3020.71207.1141.8141.45126.5723.6614.0513.866. 3020. 3520. 1622. 3926. 7026. 0325i11. 52. 2091. 76733.2329.6916.7917. 347.6024. 3924.9428. 1733.4032. 593211. 52. 2091. 76741.9938.4517. 3017.957.6024.9025. 5536. 8942.
3、2041. 3140r/211. 52. 201. 7648.044.517.718.37. 6025. 325.942. 9348. 3047. 389752888850211. 52. 2091. 76760.0956.5519.0519.227.6026.6526.8254. 8860. 3059.40652%83. 1752. 54072.7067.6123.6728.8911. 0034.6739.8965.4473. 0071.6180383. 1752. 54088.6183.5225.8130.4811. 0036.8141.4881.2288.9087. 39100483.
4、1752. 540113.97108.8927.7933.0211. 0038. 7944.02106. 47114. 30112. 63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 纹取小 内径外螺纹螺纹最 长有效长 度DXin小 径内螺 纹外螺 纹内螺 纹外螺 纹最大 外径小头 外径67s280. 9070.5819. 738.576. 206. 473.209. 409. 677.9710. 509. 487. 408y4191.3370.85
5、613.1611.459. 409.714.7014. 1014.4110. 5613.8012. 7811. 00107s191. 330.816.14.9. 7010.04.714.414. 714. 0517. 3016. 2711.40756669550051572141.8141. 16220.9618.6312. 7013. 166.3019.0019.4617. 4421.7020. 4515. 0020/141.8141. 16226.4424.1214. 1014.536.3020.4020.8322. 8427. 2025.8516. 30251112. 3091.4793
6、3.2530.2916.2016.798. 1024.3024.8928. 7734. 0032. 6019. 103217.112. 3091.47941.9138.9518.5019. 108. 1026.6027.2037.2942. 7041. 1221.40401%112. 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. 7065272112. 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. 30104112. 301.411311035.835.88. 143.943.9107.3114.3111.439. 300979.03.0700000301