Class300法兰盖的尺寸~GB/T9124.2-2019
发布时间：2023-10-19 点击数：460
Class300法兰盖的尺寸~GB/T9124.2-2019
| 公称尺寸 | 连接尺寸 | 法兰厚度 C / mm |
密封面 直径 R / mm |
密封面 厚度 f1 / mm |
|||||
| 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 | ||||||||
| 15 | 1/2 | 95 | 66.7 | 16 | 4 | M14 | 12.7 | 34.9 | 2 |
| 20 | 3/4 | 115 | 82.6 | 19 | 4 | M16 | 14.3 | 42.9 | 2 |
| 25 | 1 | 125 | 88.9 | 19 | 4 | M16 | 15.9 | 50.8 | 2 |
| 32 | 1 ¼ | 135 | 98.4 | 19 | 4 | M16 | 17.5 | 63.5 | 2 |
| 40 | 1 ½ | 155 | 114.3 | 22 | 4 | M20 | 19.1 | 73.0 | 2 |
| 50 | 2 | 165 | 127.0 | 19 | 8 | M16 | 20.7 | 92.1 | 2 |
| 65 | 2 ½ | 190 | 149.2 | 22 | 8 | M20 | 23.9 | 104.8 | 2 |
| 80 | 3 | 210 | 168.3 | 22 | 8 | M20 | 27.0 | 127.0 | 2 |
| 100 | 4 | 255 | 200.0 | 22 | 8 | M20 | 30.2 | 157.2 | 2 |
| 125 | 5 | 280 | 235.0 | 22 | 8 | M20 | 33.4 | 185.7 | 2 |
| 150 | 6 | 320 | 269.9 | 22 | 12 | M20 | 35.0 | 215.9 | 2 |
| 200 | 8 | 380 | 330.2 | 26 | 12 | M24 | 39.7 | 269.9 | 2 |
| 250 | 10 | 445 | 387.4 | 29 | 16 | M27 | 46.1 | 323.8 | 2 |
| 300 | 12 | 520 | 450.8 | 32 | 16 | M30 | 49.3 | 381.0 | 2 |
| 350 | 14 | 585 | 514.4 | 32 | 20 | M30 | 52.4 | 412.8 | 2 |
| 400 | 16 | 650 | 571.5 | 35 | 20 | M33 | 55.6 | 469.9 | 2 |
| 450 | 18 | 710 | 628.6 | 35 | 24 | M33 | 58.8 | 533.4 | 2 |
| 500 | 20 | 775 | 685.8 | 35 | 24 | M33 | 62.0 | 584.2 | 2 |
| 550 | 22 | 840 | 743.0 | 42 | 24 | M39 | 65.1 | 641.4 | 2 |
| 600 | 24 | 915 | 812.8 | 42 | 24 | M39 | 68.3 | 692.2 | 2 |