国内阀门材料常用技术标准 可锻铸铁件、拉力试样尺寸
| 直 径 | 端部尺寸 |
标距长度 Lo=3d |
最小平行长度 Lc |
肩部半径 r |
||
| d | 极限偏差 | 直径D | 长度L | |||
| 9 | ±0.5 | 13 | 40 | 27 | 30 | 6 |
| 12 | ±0.7 | 16 | 50 | 36 | 40 | 8 |
| 15 | 19 | 60 | 45 | 50 | ||
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