SAE/MS直管螺纹 | ||||||
螺纹尺寸 | 螺纹牙数 | 基面上的螺纹直径 | 牙型角 | |||
(英寸) | 大径 | 中径 | 小径 | |||
5/16 | 24 | 7.938 | 7.249 | 6.792 | 60 | |
7/16 | 20 | 11.113 | 10.287 | 9.738 | ||
1/2 | 20 | 12.7 | 11.875 | 11.325 | ||
9/16 | 18 | 14.288 | 13.325 | 12.559 | ||
3/4 | 16 | 19.05 | 18.019 | 17.331 | ||
1-1/16 | 12 | 26.988 | 25.613 | 24.695 | ||
1-5/16 | 12 | 33.338 | 31.963 | 31.046 | ||
BSP、Rp、G、PF、BSPT锥管螺纹 | ||||||
螺纹尺寸 | 螺纹牙数 | 基面上的螺纹直径 | 牙型角 | |||
(英寸) | 大径 | 中径 | 小径 | |||
1/16 | 28 | 7.732 | 7.142 | 6.561 | 55 | |
1/8 | 28 | 9.782 | 9.147 | 8.566 | ||
1/4 | 19 | 13.157 | 12.301 | 11.455 | ||
3/8 | 19 | 16.662 | 15.806 | 14.95 | ||
1/2 | 14 | 20.955 | 19.793 | 18.631 | ||
5/8 | 14 | 22.911 | 21.749 | 20.587 | ||
3/4 | 14 | 26.441 | 25.279 | 24.117 | ||
7/8 | 14 | 30.201 | 29.039 | 27.877 | ||
1 | 11 | 33.249 | 31.77 | 30.291 | ||
1-1/8 | 11 | 37.897 | 36.418 | 34.939 | ||
1-1/4 | 11 | 41.91 | 40.431 | 38.952 | ||
1-1/2 | 11 | 47.803 | 46.324 | 44.845 | ||
1-3/4 | 11 | 53.746 | 52.267 | 50.788 | ||
2 | 11 | 59.614 | 58.135 | 56.656 | ||
NPT、Z锥管螺纹 | ||||||
螺纹尺寸 | 螺纹牙数 | 基面上的螺纹直径 | 牙型角 | |||
(英寸) | 大径 | 中径 | 小径 | |||
1/16 | 27 | 7.894 | 7.142 | 6.398 | 60 | |
1/8 | 27 | 10.242 | 9.489 | 8.737 | ||
1/4 | 18 | 13.616 | 12.487 | 11.358 | ||
3/8 | 18 | 17.055 | 15.926 | 14.797 | ||
1/2 | 14 | 21.224 | 19.772 | 18.321 | ||
3/4 | 14 | 26.569 | 25.117 | 23.666 | ||
1 | 11.5 | 33.228 | 31.461 | 29.694 | ||
1-1/4 | 11.5 | 41.985 | 40.218 | 38.451 | ||
1-1/2 | 11.5 | 48.054 | 46.287 | 44.52 | ||
2 | 11.5 | 60.092 | 58.325 | 56.558 | ||
SAE/MS直管螺纹接头的允许压力额定值(316/碳钢) | ||||||
螺纹尺寸 | 螺纹牙数 | 不可定位 | 位置可调型 | |||
(英寸) | psig | Mpa | psig | Mpa | ||
5/16 | 24 | 4568 | 31.5 | 4568 | 31.5 | |
7/16 | 20 | 4568 | 31.5 | 4568 | 31.5 | |
1/2 | 20 | 4568 | 31.5 | 3626 | 25 | |
9/16 | 18 | 4568 | 31.5 | 3626 | 25 | |
3/4 | 16 | 4568 | 31.5 | 3626 | 25 | |
1-1/16 | 12 | 3626 | 25 | 2900 | 20 | |
1-5/16 | 12 | 2900 | 20 | 2320 | 16 | |
M公制直螺纹 | ||||||
螺纹尺寸 | 螺纹牙数 | 基面上的螺纹直径 | 牙型角 | |||
(MM) | 大径 | 中径 | 小径 | |||
M6 | 1 | 6 | 5.35 | 4.917 | 60 | |
M8 | 8 | 7.35 | 6.917 | |||
M10 | 10 | 9.35 | 8.917 | |||
M12 | 1.5 | 12 | 11.026 | 10.376 | ||
M14 | 14 | 13.026 | 12.376 | |||
M16 | 16 | 15.026 | 14.376 | |||
M18 | 18 | 17.026 | 16.376 | |||
M20 | 20 | 19.026 | 18.376 | |||
M22 | 22 | 21.026 | 20.376 | |||
M24 | 24 | 23.026 | 22.376 | |||
M27 | 2 | 27 | 25.701 | 24.835 | ||
M30 | 30 | 28.701 | 27.835 | |||
M33 | 33 | 31.701 | 30.835 | |||
M36 | 36 | 34.701 | 33.835 | |||
BSP、R、R1、Rc,ZG、RT、PT、BSPT锥管螺纹 | ||||||
螺纹尺寸 | 螺纹牙数 | 基面上的螺纹直径 | 牙型角 | |||
(英寸) | 大径 | 中径 | 小径 | |||
1/16 | 28 | 7.723 | 7.142 | 6.561 | 55 | |
1/8 | 28 | 9.728 | 9.147 | 8.566 | ||
1/4 | 19 | 13.157 | 12.301 | 11.445 | ||
3/8 | 19 | 16.662 | 15.806 | 14.95 | ||
1/2 | 14 | 20.995 | 19.793 | 18.631 | ||
3/4 | 14 | 26.441 | 25.279 | 24.117 | ||
1 | 11 | 33.249 | 31.77 | 30.291 | ||
1-1/4 | 11 | 41.91 | 40.431 | 38.952 | ||
1-1/2 | 11 | 47.803 | 46.324 | 44.845 | ||
2 | 11 | 59.641 | 58.135 | 56.656 |