API 6A法兰R型环连接面的加工尺寸
发布时间：2023-03-14 点击数：1019
API 6A法兰R型环连接面的加工尺寸
国内标准：GB/T 22513-2013 石油天然气工业 钻井和采油设备 井口装置和采油树
| Groove Number | Nominal Size of Flange | Pitch Diameter, P |
Depth of Groove, E |
Width of Groove, F |
Radius at bottom, R2(max) |
| Tolerance> | (Ref.) | ± 0.13 | +0.5/−0 | ± 0.20 | max. |
| R 23 | 21/16 | 82.55 | 7.9 | 11.91 | 0.8 |
| R 24 | 21/16 | 95.25 | 7.9 | 11.91 | 0.8 |
| R 26 | 29/16 | 101.60 | 7.9 | 11.91 | 0.8 |
| R 27 | 29/16 | 107.95 | 7.9 | 11.91 | 0.8 |
| R 31 | 3 1/8 | 123.83 | 7.9 | 11.91 | 0.8 |
| R 35 | 3 1/8 | 136.53 | 7.9 | 11.91 | 0.8 |
| R 37 | 41/16 | 149.23 | 7.9 | 11.91 | 0.8 |
| R 39 | 41/16 | 161.93 | 7.9 | 11.91 | 0.8 |
| R 41 | 5 1/8 | 180.98 | 7.9 | 11.91 | 0.8 |
| R 44 | 5 1/8 | 193.68 | 7.9 | 11.91 | 0.8 |
| R 45 | 71/16 | 211.15 | 7.9 | 11.91 | 0.8 |
| R 46 | 71/16 | 211.15 | 9.7 | 13.49 | 1.5 |
| R 49 | 9 | 269.88 | 7.9 | 11.91 | 0.8 |
| R 50 | 9 | 269.88 | 11.2 | 16.66 | 1.5 |
| R 53 | 11 | 323.85 | 7.9 | 11.91 | 0.8 |
| R 54 | 11 | 323.85 | 11.2 | 16.66 | 1.5 |
| R 57 | 13 5/8 | 381.00 | 7.9 | 11.91 | 0.8 |
| R 65 | 16 3/4 | 469.90 | 7.9 | 11.91 | 0.8 |
| R 66 | 16 3/4 | 469.90 | 11.2 | 16.66 | 1.5 |
| R 73 | 21 1/4 | 584.20 | 9.7 | 13.49 | 1.5 |
| R 74 | 20 3/4 | 584.20 | 12.7 | 19.84 | 1.5 |