| 品番 | 太さ・線径W(mm) | 内径 ID(mm) |
内径IDの許容差 | |||
| N7-438 （1種A） N9-993 （1種B） N7-955 （2種） D7-615 （3種） |
S7-947 （4種C） |
F7-135 （4種D） |
||||
|
JIS B 2401 V 真空フランジ用
|
| V15 | 4.0±0.10 | 14.5 | ±0.20 | ±0.30 | ±0.24 | |
| V24 | 23.5 | ±0.24 | ±0.36 | ±0.29 | ||
| V34 | 33.5 | ±0.33 | ±0.50 | ±0.40 | ||
| V40 | 39.5 | ±0.37 | ±0.56 | ±0.44 | ||
| V55 | 54.5 | ±0.49 | ±0.74 | ±0.59 | ||
| V70 | 69.0 | ±0.61 | ±0.92 | ±0.73 | ||
| V85 | 84.0 | ±0.72 | ±1.08 | ±0.86 | ||
| V100 | 99.0 | ±0.83 | ±1.25 | ±1.00 | ||
| V120 | 119.0 | ±0.97 | ±1.46 | ±1.16 | ||
| V150 | 148.5 | ±1.18 | ±1.77 | ±1.42 | ||
| V175 | 173.0 | ±1.36 | ±2.04 | ±1.63 | ||
| V225 | 6.0±0.15 | 222.5 | ±1.70 | ±2.55 | ±2.04 | |
| V275 | 272.0 | ±2.02 | ±3.03 | ±2.42 | ||
| V325 | 321.5 | ±2.34 | ±3.51 | ±2.81 | ||
| V380 | 376.0 | ±2.68 | ±4.02 | ±3.22 | ||
| V430 | 425.5 | ±2.99 | ±4.49 | ±3.59 | ||
| V480 | 10.0±0.30 | 475.0 | ±3.30 | ±4.95 | ±3.96 | |
| V530 | 524.5 | ±3.60 | ±5.40 | ±4.32 | ||
| V585 | 579.0 | ±3.92 | ±5.88 | ±4.70 | ||
| V640 | 633.5 | ±4.24 | ±6.36 | ±5.09 | ||
| V690 | 683.0 | ±4.54 | ±6.81 | ±5.45 | ||
| V740 | 732.5 | ±4.83 | ±7.25 | ±5.80 | ||
| V790 | 782.0 | ±5.12 | ±7.68 | ±6.14 | ||
| V845 | 836.5 | ±5.44 | ±8.16 | ±6.53 | ||
| V900 | 940.5 | ±6.06 | ±9.09 | ±7.27 | ||
| V1055 | 1044.0 | ±6.67 | ±10.01 | ±8.00 | ||
