| 内筒外径491 mm | 内筒外径591 mm | ||
| 内筒长[mm] | 长径比 | 内筒长[mm] | 长径比 |
| 280 | 0.568 | 280 | 0.472 |
| 380 | 0.771 | 380 | 0.641 |
| 480 | 0.974 | 480 | 0.810 |
| 580 | 1.177 | 580 | 0.979 |
| 680 | 1.380 | 680 | 1.147 |
| 780 | 1.583 | 780 | 1.316 |
| 880 | 1.786 | 880 | 1.485 |
| 980 | 1.989 | 980 | 1.654 |