技術(shù)參數(shù)Technical parameters
| 技術(shù)參數(shù)Technical parameters | ||||
| 公稱通徑 Norminal Pipe size DN | 端部外徑 Outside Diameter at Bevel | 中心至端面 Center to End | ||
| D | C | M | ||
| A系列 Series A | B系列 Series B | |||
| 15 | 21.3 | 18 | 25 | |
| 20 | 26.9 | 25 | 29 | |
| 25 | 33.7 | 32 | 38 | |
| 32 | 42.4 | 38 | 48 | |
| 40 | 48.3 | 45 | 57 | |
| 50 | 60.3 | 57 | 64 | |
| 65 | 76.1(73) | 76 | 76 | |
| 80 | 88.9 | 89 | 86 | |
| 90 | 101.6 | - | 95 | |
| 100 | 114.3 | 108 | 105 | |
| 125 | 139.7 | 133 | 124 | |
| 150 | 168.3 | 159 | 143 | |
| 200 | 219.1 | 219 | 178 | |
| 250 | 273 | 273 | 216 | |
| 300 | 323.9 | 325 | 254 | |
| 350 | 355.6 | 377 | 279 | |
| 400 | 406.4 | 426 | 305 | |