公称 | 钢管外径 | 连接尺寸 | 法兰 | 法兰内径 | 法兰颈 | 法兰
髙度 H |
||||||||
尺寸 | Ai | 法兰
外径 D |
螺栓孔中 心圆直径 K | 螺栓孔
直径 L |
螺栓孔
数量 «(个) |
螺栓 | 厚度 | N | R | |||||
DN | A | B | Th | C | A | B | A | B | ||||||
10 | 17, 2 | 14 | 75 | 50 | 11 | 4 | M10 | 12 | 18 | 15 | 25 | 25 | 4 | 20 |
15 | 21. 3 | 18 | 80 | 55 | 11 | 4 | M10 | 12 | 22.5 | 19 | 30 | 30 | 4 | 20 |
20 | 26, 9 | 25 | 90 | 65 | 11 | 4 | M10 | 14 | 27.5 | 26 | 40 | 40 | 4 | 24 |
25 | 33.7 | 32 | 100 | 75 | 11 | 4 | M10 | 14 | 34.5 | 33 | 50 | 50 | 4 | 24 |
32 | 42.4 | 38 | 120 | 90 | 14 | 4 | M12 | 14 | 43.5 | 39 | 60 | 60 | 6 | 26 |
40 | 48.3 | 45 | 130 | 100 | 14 | 4 | M12 | 14 | 49. 5 | 46 | 70 | 70 | 6 | 26 |
50 | 60.3 | 57 | 140 | 110 | 14 | 4 | M12 | 14 | 61. 5 | 59 | 80 | 80 | 6 | 28 |
65 | 76.1 | 76 | 160 | 130 | 14 | 4 | M12 | 14 | 77. 5 | 78 | 100 | 100 | 6 | 32 |
80 | 88.9 | 89 | 190 | 150 | 18 | 4 | M16 | 16 | 90. 5 | 91 | no | 110 | 8 | 34 |
100 | 114. 3 | 108 | 210 | 170 | 18 | 4 | M16 | 16 | 116 | 110 . | 130 | 130 | 8 | 40 |
125 | 139. 7 | 133 | 240 | 200 | 18 | 8 | M16 | 18 | 143.5 | 135 | 160 | 160 | 8 | 44 |
150 | 168. 3 | 159 | 265 | 225 | 18 | 8 | M16 | 18 | 170. 5 | 161 | 185 | 185 | 10 | 44 |
200 | 219.1 | 219 | 320 | 280 | 18 | 8 | M16 | 20 | 221.5 | 222 | 240 | 240 | 10 | 44 |
250 | 273 | 273 | 375 | 335 | 18 | 12 | M16 | 22 | 276. 5 | 276 | 295 | 295 | 12 | 44 |
300 | 323. 9 | 325 | 440 | 395 | 22 | 12 | M20 | 22 | 328 | 328 | 355 | 355 | 12 | 44 |