| |  OF氧气过滤器主要尺寸： | 公称通径
DN | D | D2 | 结构长度L | | 1.6 | 1.6?4.0 | | 40 | 45 | 89 | 450 | 460 | | 50 | 57 | 108 | 510 | 500 | | 65 | 73 | 133 | 600 | 600 | | 80 | 89 | 219 | 620 | 640 | | 100 | 108 | 219 | 720 | 770 | | 125 | 133 | 273 | 820 | 900 | | 150 | 159 | 325 | 920 | 1000 | | 200 | 219 | 426 | 1200 | 1250 | | 250 | 273 | 529 | 1650 | 1600 | | 300 | 325 | 630 | 1700 | 1900 | | 350 | 377 | 720 | 1800 | 2200 | | 400 | 426 | 820 | 2100 | 2400 | |
