Class600带颈对焊法兰的尺寸表 - ASME B16.5
发布时间：2015-12-12 点击数：5764
Class600带颈对焊法兰的尺寸表 - ASME B16.5
| DN | NPS | 法兰 外径 |
法兰 内径 |
法兰厚度(Min.) | 法兰 高度 |
坡口处 外径 |
径部 直径 |
密封面 直径 |
密封面高度 | 螺栓孔数 | 螺孔孔直径 | 螺栓孔中心圆直径 |
| A | B | C | D | E | F | G | f | n | I | J | ||
| 15 | 1/2 | 95 | - | 14.3 | 52 | 21.3 | 38 | 34.9 | 7 | 4 | 15.7 | 66.7 |
| 20 | 3/4 | 115 | - | 15.9 | 57 | 26.7 | 48 | 42.9 | 7 | 4 | 19.0 | 82.6 |
| 25 | 1 | 125 | - | 17.5 | 62 | 33.4 | 54 | 50.8 | 7 | 4 | 19.0 | 88.9 |
| 32 | 1 ¼ | 135 | - | 20.7 | 67 | 42.2 | 64 | 63.5 | 7 | 4 | 19.0 | 98.4 |
| 40 | 1 ½ | 155 | - | 22.3 | 70 | 48.3 | 70 | 73 | 7 | 4 | 22.3 | 114.3 |
| 50 | 2 | 165 | - | 25.4 | 73 | 60.3 | 84 | 92.1 | 7 | 8 | 19.0 | 127.0 |
| 65 | 2 ½ | 190 | - | 28.6 | 79 | 73.0 | 100 | 104.8 | 7 | 8 | 22.3 | 149.2 |
| 80 | 3 | 210 | - | 31.8 | 83 | 88.9 | 117 | 127 | 7 | 8 | 22.3 | 168.3 |
| 90 | 3 ½ | 230 | - | 35.0 | 86 | 101.6 | 133 | 139.7 | 7 | 8 | 25.4 | 184.2 |
| 100 | 4 | 275 | - | 38.1 | 102 | 114.3 | 152 | 157.2 | 7 | 8 | 25.4 | 215.9 |
| 125 | 5 | 330 | - | 44.5 | 114 | 141.3 | 189 | 185.7 | 7 | 8 | 28.4 | 266.7 |
| 150 | 6 | 355 | - | 47.7 | 117 | 168.3 | 222 | 215.9 | 7 | 12 | 28.4 | 292.1 |
| 200 | 8 | 420 | - | 55.6 | 133 | 219.1 | 273 | 269.9 | 7 | 12 | 31.8 | 349.2 |
| 250 | 10 | 510 | - | 63.5 | 152 | 273.0 | 343 | 323.8 | 7 | 16 | 35.1 | 431.8 |
| 300 | 12 | 560 | - | 66.7 | 156 | 323.8 | 400 | 381 | 7 | 20 | 35.1 | 489.0 |
| 350 | 14 | 605 | - | 69.9 | 165 | 355.6 | 432 | 412.8 | 7 | 20 | 38.1 | 527.0 |
| 400 | 16 | 685 | - | 76.2 | 178 | 406.4 | 495 | 469.9 | 7 | 20 | 41.1 | 603.2 |
| 450 | 18 | 745 | - | 82.6 | 184 | 457.0 | 546 | 533.4 | 7 | 20 | 44.5 | 654.0 |
| 500 | 20 | 815 | - | 88.9 | 190 | 508.0 | 610 | 584.2 | 7 | 24 | 44.5 | 723.9 |
| 600 | 24 | 940 | - | 101.6 | 203 | 610.0 | 718 | 692.2 | 7 | 24 | 50.8 | 838.2 |
法兰内径B由采购方指定。