常用新标准管法兰连接尺寸(PN0.25MPa~PN4.0Mpa)2024-03-26 16:48:02
公称通径 | PN0.25MPa(2.5bar) | PN0.6MPa(6bar) | PN1.0MPa(10bar) | ||||||||||||
DN | 法兰外径D | 螺栓孔中心圆直径K | 螺栓孔直径L | 螺栓螺纹Th | 数量n | 法兰外径D | 螺栓孔中心圆直径K | 螺栓孔直径L | 螺栓螺纹Th | 数量n | 法兰外径D | 螺栓孔中心圆直径K | 螺栓孔直径L | 螺栓螺纹Th | 数量n |
10 | 75 | 50 | 11 | M10 | 4 | 75 | 50 | 11 | M10 | 4 | 90 | 60 | 14 | M12 | 4 |
15 | 80 | 55 | 11 | M10 | 4 | 80 | 55 | 11 | M10 | 4 | 95 | 65 | 14 | M12 | 4 |
20 | 90 | 65 | 11 | M10 | 4 | 90 | 65 | 11 | M10 | 4 | 105 | 75 | 14 | M12 | 4 |
25 | 100 | 75 | 11 | M10 | 4 | 100 | 75 | 11 | M10 | 4 | 115 | 85 | 14 | M12 | 4 |
32 | 120 | 90 | 14 | M12 | 4 | 120 | 90 | 14 | M12 | 4 | 140 | 100 | 18 | M16 | 4 |
40 | 130 | 100 | 14 | M12 | 4 | 130 | 100 | 14 | M12 | 4 | 150 | 110 | 18 | M16 | 4 |
50 | 140 | 110 | 14 | M12 | 4 | 140 | 110 | 14 | M12 | 4 | 165 | 125 | 18 | M16 | 4 |
65 | 160 | 130 | 14 | M12 | 4 | 160 | 130 | 14 | M12 | 4 | 185 | 145 | 18 | M16 | 4 |
80 | 190 | 150 | 18 | M16 | 4 | 190 | 150 | 18 | M16 | 4 | 200 | 160 | 18 | M16 | 8 |
100 | 210 | 170 | 18 | M16 | 4 | 210 | 170 | 18 | M16 | 4 | 220 | 180 | 18 | M16 | 8 |
125 | 240 | 200 | 18 | M16 | 8 | 240 | 200 | 18 | M16 | 8 | 250 | 210 | 18 | M16 | 8 |
150 | 265 | 225 | 18 | M16 | 8 | 265 | 225 | 18 | M16 | 8 | 285 | 240 | 22 | M16 | 8 |
200 | 320 | 280 | 18 | M16 | 8 | 320 | 280 | 18 | M16 | 8 | 340 | 295 | 22 | M16 | 8 |
250 | 375 | 335 | 18 | M16 | 12 | 375 | 335 | 18 | M16 | 12 | 395 | 350 | 22 | M16 | 12 |
300 | 440 | 395 | 22 | M20 | 12 | 440 | 22 | M20 | 12 | 445 | 400 | 22 | M20 | 12 | |
公称通径 | PN1.6MPa(16bar) | PN2.5MPa(25bar) | PN4.0MPa(40bar) | ||||||||||||
DN | 法兰外径D | 螺栓孔中心圆直径K | 螺栓孔直径L | 螺栓螺纹Th | 数量n | 法兰外径D | 螺栓孔中心圆直径K | 螺栓孔直径L | 螺栓螺纹Th | 数量n | 法兰外径D | 螺栓孔中心圆直径K | 螺栓孔直径L | 螺栓螺纹Th | 数量n |
10 | 90 | 60 | 14 | M12 | 4 | 90 | 60 | 14 | M12 | 4 | 90 | 60 | 14 | M12 | 4 |
15 | 95 | 65 | 14 | M12 | 4 | 95 | 65 | 14 | M12 | 4 | 95 | 65 | 14 | M12 | 4 |
20 | 105 | 75 | 14 | M12 | 4 | 105 | 75 | 14 | M12 | 4 | 105 | 75 | 14 | M12 | 4 |
25 | 115 | 85 | 14 | M12 | 4 | 115 | 85 | 14 | M12 | 4 | 115 | 85 | 14 | M12 | 4 |
32 | 140 | 100 | 18 | M16 | 4 | 140 | 100 | 18 | M16 | 4 | 140 | 100 | 18 | M16 | 4 |
40 | 150 | 110 | 18 | M16 | 4 | 150 | 110 | 18 | M16 | 4 | 150 | 110 | 18 | M16 | 4 |
50 | 165 | 125 | 18 | M16 | 4 | 165 | 125 | 18 | M16 | 4 | 165 | 125 | 18 | M16 | 8 |
65 | 185 | 145 | 18 | M16 | 4 | 185 | 145 | 18 | M16 | 8 | 185 | 145 | 18 | M16 | 8 |
80 | 200 | 160 | 18 | M16 | 4 | 200 | 160 | 18 | M16 | 8 | 200 | 160 | 18 | M16 | 8 |
100 | 220 | 180 | 18 | M16 | 4 | 235 | 190 | 22 | M20 | 8 | 235 | 190 | 22 | M20 | 8 |
125 | 250 | 210 | 18 | M16 | 8 | 270 | 220 | 26 | M24 | 8 | 270 | 220 | 26 | M24 | 8 |
150 | 285 | 240 | 22 | M20 | 8 | 300 | 250 | 26 | M24 | 8 | 300 | 250 | 26 | M24 | 8 |
200 | 340 | 295 | 22 | M20 | 8 | 360 | 310 | 26 | M24 | 12 | 375 | 320 | 30 | M27 | 12 |
250 | 405 | 344 | 26 | M24 | 12 | 425 | 370 | 30 | M27 | 12 | 450 | 385 | 33 | M30 | 12 |
300 | 460 | 410 | 26 | M24 | 12 | 485 | 430 | 30 | M27 | 16 | 515 | 450 | 33 | M30 | 16 |