| 型号 | 内径 | 外径 | 厚度 |
|---|---|---|---|
| 6210ZZ | 50 | 90 | 20 |
| 6210ZZ | 50 | 90 | 20 |
| 6210-2Z | 50 | 90 | 20 |
| 210-2Z | 50 | 90 | 20 |
| 210-2ZNR | 50 | 90 | 20 |
| 6210-2ZNR | 50 | 90 | 20 |
| 6210.2ZR.T | 50 | 90 | 20 |
| 6210-2ZN | 50 | 90 | 20 |
| 6210ZZN | 50 | 90 | 20 |
| W6210-2Z | 50 | 90 | 20 |
| 6210ZZ | 50 | 90 | 20 |
| 6210-2ZN | 50 | 90 | 20 |
| 6210-2Z | 50 | 90 | 20 |
| 6210-2Z | 50 | 90 | 20 |
| 6210-2Z | 50 | 90 | 20 |
| 6210-2Z | 50 | 90 | 20 |
