百安居
1.英制管螺纹(55°)
包括:一般密封管螺纹(R),非密封管螺纹(G),韩国日本的旧英制管螺纹(PT、PF)
2.美制管螺纹(60°)
包括:一般密封管螺纹(NPT、NPSC),干密封管螺纹(NPTF、NPSF、NPSI、PTF-SAESHORT),非密封管螺纹(NPSM、NPSL、NPTR、NPSH、NH、NHR)
3、米制管螺纹(60°)
管螺纹基本尺寸表(GB/T7307-1987)
公称直径
(英寸)每英寸
牙数n螺距t螺纹直径牙形高度
圆弧半径
外径d中径d2内径d1(1/8)280.9079.7299.1488.5670.5810.1251/4191.33713.15812.30211.4460.8560.1843/81916.66315.80714.9510.8560.1841/2141.81420.95619.79418.6321.1620.249(5/8)1400.91221.75020.5883/41426.44225.28124.119(7/8)1430.20229.04027.8781112.30933.25031.77130.2931.4790.3171.1/81137.89836.42034.9411.1/41141.91240.43338.9541.3/81144.32542.84641.3671.1/21147.80546.32644.8471.3/41153.74852.27050.79121159.61658.13756.6592.1/41165.71264.23462.7552.1/21175.18773.70872.2302.3/41181.53780.05878.58031187.88786.40984.9803.1/211100.33498.85597.376411113.034111.556110.077511138.435136.957135.478611163.836162.357160.879
以上关于管螺纹规格表的相关信息就简单介绍到这里了
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