螺纹法兰TH
螺纹法兰 GB/T 9114 PN16 Th
2020-12-30
| 公称尺寸 | 钢管外径 | 连接尺寸 | 密封面 | 法兰厚度 | 法兰高度 | 法兰颈 | |||||
| 法兰外径 | 螺栓孔中心圆直径 | 螺栓孔直径 | 螺栓孔数量 | N | R | ||||||
| DN | A | D | K | L | n | d | f1 | C | H | ||
| 10 | 17.2 | 90 | 60 | 14 | 4 | 40 | 2 | 16 | 22 | 30 | 4 |
| 15 | 21.3 | 95 | 65 | 14 | 4 | 45 | 2 | 16 | 22 | 35 | 4 |
| 20 | 26.9 | 105 | 75 | 14 | 4 | 58 | 2 | 18 | 26 | 45 | 4 |
| 25 | 33.7 | 115 | 85 | 14 | 4 | 68 | 2 | 18 | 28 | 52 | 4 |
| 32 | 42.4 | 140 | 100 | 18 | 4 | 78 | 2 | 18 | 30 | 60 | 6 |
| 40 | 48.3 | 150 | 110 | 18 | 4 | 88 | 3 | 18 | 32 | 70 | 6 |
| 50 | 60.3 | 165 | 125 | 18 | 4 | 102 | 3 | 18 | 28 | 84 | 6 |
| 65 | 76.1 | 185 | 145 | 18 | 8 | 122 | 3 | 18 | 32 | 104 | 6 |
| 80 | 88.9 | 200 | 160 | 18 | 8 | 138 | 3 | 20 | 34 | 118 | 6 |
| 100 | 114.3 | 220 | 180 | 18 | 8 | 158 | 3 | 20 | 40 | 140 | 8 |
| 125 | 139.7 | 250 | 210 | 18 | 8 | 188 | 3 | 22 | 44 | 168 | 8 |
| 150 | 168.3 | 285 | 240 | 22 | 8 | 212 | 3 | 22 | 44 | 195 | 10 |
| 200 | 219.1 | 340 | 295 | 22 | 12 | 268 | 3 | 24 | 44 | 246 | 10 |
| 250 | 273 | 405 | 355 | 26 | 12 | 320 | 3 | 26 | 46 | 298 | 12 |
| 300 | 323.9 | 460 | 410 | 26 | 12 | 378 | 4 | 28 | 46 | 350 | 12 |
| 350 | 355.6 | 520 | 470 | 26 | 16 | 438 | 4 | 30 | 57 | 400 | 12 |
| 400 | 406.4 | 580 | 525 | 30 | 16 | 490 | 4 | 32 | 63 | 456 | 12 |
| 450 | 457 | 640 | 585 | 30 | 20 | 550 | 4 | 34 | 68 | 502 | 12 |
| 500 | 508 | 715 | 650 | 33 | 20 | 610 | 4 | 36 | 73 | 559 | 12 |
| 600 | 610 | 840 | 770 | 36 | 20 | 725 | 5 | 40 | 83 | 658 | 12 |
| 制造标准 | 压力等级 | 制造标准 | 压力等级 |
| GB/T 9114 | PN6 | HG/T 20592 | PN6 |
| PN10 | PN10 | ||
| PN16 | PN16 | ||
| PN25 | PN25 | ||
| PN40 | PN40 | ||
| PN63 | HG/T 20615 | Class150 | |
| PN100 | Class300 | ||
| Class150 | ASME B16.5 | Class150 | |
| Class300 | Class300 | ||
| Class600 | Class600 | ||
| Class900 | Class900 | ||
| Class1500 | DIN 2565 | PN6 | |
| Class2500 | DIN 2566 | PN10/PN16 | |
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