| 型号 | 内径 | 外径 | 厚度 |
|---|---|---|---|
| 81222TN | 110 | 160 | 38 |
| 81222 | 110 | 160 | 38 |
| 81222 | 110 | 160 | 38 |
| 81222 | 110 | 160 | 38 |
| NF228M | 140 | 250 | 42 |
| NF226M | 130 | 230 | 40 |
| NF224M | 120 | 215 | 40 |
| NF222M | 110 | 200 | 38 |
| NF221M | 105 | 190 | 36 |
| NF220M | 100 | 180 | 34 |
| 1222 | 110 | 200 | 38 |
| 1222 | 110 | 200 | 38 |
| 1222 | 110 | 200 | 38 |
| 1222K | 110 | 200 | 38 |
| 1222K | 110 | 200 | 38 |
| 1222K | 110 | 200 | 38 |
| 1222K.M.C3 H222 | 110 | 200 | 38 |
| 1222K.M.C3 | 110 | 200 | 38 |
| 1222M | 110 | 200 | 38 |
| 1222K | 100 | 200 | 38 |
| 1222 | 110 | 200 | 38 |
| 1222K | 110 | 200 | 38 |
| 1222 | 110 | 200 | 38 |
