面议
| 公称通径 | H | D | D1 | Z | φd |
| 50 | 490 | 165 | 125 | 4 | 19 |
| 80 | 590 | 200 | 135 | 8 | 19 |
| 100 | 750 | 220 | 180 | 8 | 19 |
| 150 | 820 | 285 | 240 | 8 | 23 |
| 200 | 1000 | 340 | 295 | 8 | 23 |
| 250 | 1200 | 395 | 350 | 12 | 23 |