对焊式弯头、 三通
| 公称外径D1 | 壁厚 | 900弯头 | 450弯头 | 三通 | ||
| 1.0MPa | 直管长H1 | 中心至端面Z1最小 | 直管长H2 | 中心至端面Z2最小 | 中心至端面Z3最小 | |
| 34 | 4.5 | 6 | 88 | 15 | 37 | 85 |
| 40 | 4.5 | 6 | 95 | 15 | 39 | 87.5 |
| 48 | 5.5 | 6 | 116 | 15 | 42 | 105 |
| 60 | 6.0 | 6 | 125 | 19 | 45 | 117.5 |
| 75 | 7.2 | 6 | 129.5 | 19 | 49 | 132.5 |
| 90 | 8.6 | 6 | 137 | 22 | 57 | 147.5 |
| 110 | 10.5 | 8 | 147 | 28 | 70 | 157.5 |
| 125 | 11.9 | 8 | 152.5 | 32 | 79 | 165.5 |
| 140 | 13.3 | 8 | 176 | 35 | 88 | 172.5 |
| 160 | 15.2 | 8 | 195 | 40 | 95 | 195 |
| 180 | 17.2 | 8 | 200 | 45 | 100 | 210 |
| 200 | 19.0 | 8 | 204 | 50 | 110 | 215 |
| 225 | 21.4 | 10 | 212.5 | 55 | 140 | 220 |
| 250 | 23.8 | 10 | 256 | 60 | 156 | 235 |
| 180 | 26.7 | 10 | 270 | 70 | 175 | 250 |
| 315 | 30.0 | 10 | 297.5 | 80 | 198 | 275 |
| 355 | 33.8 | 10 | 360 | 80 | 221 | 300 |
| 400 | 38 | 12 | 405 | 90 | 249 | 325 |
| 450 | 40 | 12 | 455 | 100 | 280 | 350 |
| 500 | 40 | 12 | 505 | 100 | 311 | 400 |