Class300突面带颈平焊法兰的尺寸~GB/T9124.2-2019
发布时间:2023-10-20 点击数:330
Class300突面带颈平焊法兰的尺寸~GB/T9124.2-2019
公称尺寸 | 钢管 外径 A / mm |
连接尺寸 | 法兰 厚度 C / mm |
法兰 高度 H / mm |
颈部 | 法兰 内径 B / mm |
密封面 直径 R / mm |
密封面 厚度 f1 / mm |
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DN | NPS | 法兰 外径 D / mm |
螺栓孔中心圆直径 K / mm |
螺栓孔 直径 L /mm |
螺栓 | |||||||||
数量 n / 个 |
螺纹 规格 |
N / mm | r / mm | |||||||||||
15 | 1/2 | 21.3 | 95 | 66.7 | 16 | 4 | M14 | 12.7 | 21 | 38 | ≥4 | 22.2 | 34.9 | 2 |
20 | 3/4 | 26.9 | 115 | 82.6 | 19 | 4 | M16 | 14.3 | 24 | 48 | ≥4 | 27.7 | 42.9 | 2 |
25 | 1 | 33.7 | 125 | 88.9 | 19 | 4 | M16 | 15.9 | 25 | 54 | ≥4 | 34.5 | 50.8 | 2 |
32 | 1 ¼ | 42.4 | 135 | 98.4 | 19 | 4 | M16 | 17.5 | 25 | 64 | ≥4 | 43.2 | 63.5 | 2 |
40 | 1 ½ | 48.3 | 155 | 114.3 | 22 | 4 | M20 | 19.1 | 29 | 70 | ≥4 | 49.5 | 73.0 | 2 |
50 | 2 | 60.3 | 165 | 127.0 | 19 | 8 | M16 | 20.7 | 32 | 84 | ≥4 | 61.9 | 92.1 | 2 |
65 | 2 ½ | 73.0 | 190 | 149.2 | 22 | 8 | M20 | 23.9 | 37 | 100 | ≥4 | 74.6 | 104.8 | 2 |
80 | 3 | 88.9 | 210 | 168.3 | 22 | 8 | M20 | 27.0 | 41 | 117 | ≥4 | 90.7 | 127.0 | 2 |
100 | 4 | 114.3 | 255 | 200.0 | 22 | 8 | M20 | 30.2 | 46 | 146 | ≥4 | 116.1 | 157.2 | 2 |
125 | 5 | 141.3 | 280 | 235.0 | 22 | 8 | M20 | 33.4 | 49 | 178 | ≥4 | 143.8 | 185.7 | 2 |
150 | 6 | 168.3 | 320 | 269.9 | 22 | 12 | M20 | 35.0 | 51 | 206 | ≥4 | 170.7 | 215.9 | 2 |
200 | 8 | 219.1 | 380 | 330.2 | 26 | 12 | M24 | 39.7 | 60 | 260 | ≥4 | 221.5 | 269.9 | 2 |
250 | 10 | 273.0 | 445 | 387.4 | 29 | 16 | M27 | 46.1 | 65 | 321 | ≥4 | 276.2 | 323.8 | 2 |
300 | 12 | 323.8 | 520 | 450.8 | 32 | 16 | M30 | 49.3 | 71 | 375 | ≥4 | 327.0 | 381.0 | 2 |
350 | 14 | 355.6 | 585 | 514.4 | 32 | 20 | M30 | 52.4 | 75 | 425 | ≥4 | 359.2 | 412.8 | 2 |
400 | 16 | 406.4 | 650 | 571.5 | 35 | 20 | M33 | 55.6 | 81 | 483 | ≥4 | 410.5 | 469.9 | 2 |
450 | 18 | 457 | 710 | 628.6 | 35 | 24 | M33 | 58.8 | 87 | 533 | ≥4 | 461.8 | 533.4 | 2 |
500 | 20 | 508 | 775 | 685.8 | 35 | 24 | M33 | 62.0 | 94 | 587 | ≥4 | 513.1 | 584.2 | 2 |
550 | 22 | 559 | 840 | 743.0 | 42 | 24 | M39 | 65.1 | 100 | 640 | ≥4 | 564.4 | 641.4 | 2 |
600 | 24 | 610 | 915 | 812.8 | 42 | 24 | M39 | 68.3 | 105 | 702 | ≥4 | 616.0 | 692.2 | 2 |