| 型号 | 内径 | 外径 | 厚度 |
|---|---|---|---|
| 21312K | 65 | 140 | 33 |
| 1312K H312 | 55 | 130 | 31 |
| 1312EK | 60 | 130 | 31 |
| 1312K | 60 | 130 | 31 |
| 1312KTV | 60 | 130 | 31 |
| 1312K | 60 | 130 | 31 |
| 1312K | 60 | 130 | 31 |
| 1312K | 60 | 130 | 31 |
| 1312K H312X | 55 | 130 | 31 |
| 1312K.TV.C3 | 60 | 130 | 31 |
| 1312K | 60 | 130 | 31 |
| 1312K.TV.C3 H312 | 60 | 130 | 31 |
| 1312K;H312X | 55 | 130 | 31 |
| 1312K H312 | 55 | 130 | 31 |
| 1312EK H312 | 55 | 130 | 31 |
| 1312K H312 | 55 | 130 | 31 |
