| 型号 | 内径 | 外径 | 厚度 |
|---|---|---|---|
| 12175/12303-B | 44.450 | 76.992 | 9.126 |
| 81230 | 150 | 215 | 50 |
| 81230 | 150 | 215 | 50 |
| 12303 | 42.862 | 79.992 | 17.145 |
| 12175/12303 | 44.450 | 76.992 | 17.462 |
| 12168/12303 | 42.862 | 76.992 | 17.462 |
| 12303 | 42.862 | 79.992 | 17.145 |
| 12175/12303 | 44.450 | 76.992 | 17.462 |
| 12168/12303 | 42.862 | 76.992 | 17.462 |
| NF309M | 45 | 100 | 25 |
| NF308M | 40 | 90 | 23 |
| NF307M | 35 | 80 | 21 |
| NF306M | 30 | 72 | 19 |
| NF305M | 25 | 62 | 17 |
| NF304M | 20 | 52 | 15 |
| 1230 | 150 | 270 | 54 |
| 1230M | 150 | 270 | 54 |
