| 型号 | 内径 | 外径 | 厚度 |
|---|---|---|---|
| 7311AC/DB | 55 | 120 | 58 |
| 7311AC/DB | 55 | 120 | 58 |
| 7311AC/DF | 55 | 120 | 58 |
| 7311AC/DF | 55 | 120 | 58 |
| 7311AC/DT | 55 | 120 | 58 |
| 7311AC/DT | 55 | 120 | 58 |
| 7311AC/DT | 55 | 120 | 58 |
| 7311A | 55 | 120 | 29 |
| 7311ADB | 55 | 120 | 58 |
| 7311ADF | 55 | 120 | 58 |
| 7311ADT | 55 | 120 | 58 |
| 7311AC | 55 | 120 | 29 |
| 7311AC | 55 | 120 | 29 |
| 7311AC | 55 | 120 | 29 |
| 7311AC/DB | 55 | 120 | 58 |
