適用范圍
天然氣管線、城市燃?xì)?/p>
介質(zhì)
天然氣、煤氣、燃?xì)夂推渌慌c碳鋼發(fā)生化學(xué)反應(yīng)的流體
主要連接尺寸
DN | A | D | D1 | D2 | L |
A/B | |||||
50 | 300 | 40 | 60.3/57 | 89 | 600 |
65 | 300 | 50 | 76.1/76 | 114 | 600 |
80 | 300 | 65 | 88.9/89 | 140 | 600 |
100 | 340 | 80 | 114.3/108 | 165 | 600 |
125 | 400 | 100 | 139.7/133 | 216 | 600 |
150 | 400 | 125 | 168.3/159 | 219 | 800 |
200 | 400 | 150 | 219.1/219 | 267 | 800 |
250 | 400 | 200 | 273.1/273 | 355 | 800 |
300 | 500 | 250 | 323.9/325 | 457 | 800 |
350 | 500 | 300 | 355.6/377 | 508 | 800 |
400 | 500 | 337 | 406.4/426 | 558 | 1200 |
450 | 500 | 337 | 457.2/480 | 558 | 1200 |
500 | 600 | 387 | 508.0/530 | 660 | 1200 |
600 | 650 | 489 | 609.6/630 | 812 | 1200 |