| 型号 | 内径 | 外径 | 厚度 |
|---|---|---|---|
| 7021CD | 105 | 160 | 26 |
| 7021CDB | 105 | 160 | 52 |
| 7021CDB | 105 | 160 | 52 |
| 7021CD/DB | 105 | 160 | 52 |
| 7021CDB | 105 | 160 | 52 |
| 7021CD/DF | 105 | 160 | 52 |
| 7021CDF | 105 | 160 | 52 |
| 7021CDF | 105 | 160 | 52 |
| 7021CDF | 105 | 160 | 52 |
| 7021CDT | 105 | 160 | 52 |
| 7021CD/DT | 105 | 160 | 52 |
| 7021CDT | 105 | 160 | 52 |
| 7021CDT | 105 | 160 | 52 |
