| 法兰公称通径 | 法兰外径 | 法兰剖面尺寸 | 公称螺栓尺寸 | 对焊 | 重量 | ||||||||||||
| 螺栓直径 | 凸面直径 | 法兰内径 | 通用管道外径 | t | T | 中心直径 | 半径 | 凸面 | 孔径 | 螺栓孔数量 | |||||||
| a | b | w1 | w2 | ||||||||||||||
| 10 | 90 | 65 | 46 | 17.8 | 17.3 | 12 | 1 | 15 | 4 | M12 | 5.0 | 5.5 | 0.52 | ||||
| 15 | 95 | 70 | 51 | 22.2 | 21.7 | 12 | 1 | 15 | 4 | M12 | 5.0 | 3.0 | 0.57 | ||||
| 20 | 100 | 75 | 56 | 27.7 | 27.2 | 14 | 1 | 15 | 4 | M12 | 5.0 | 3.0 | 0.73 | ||||
| 25 | 125 | 90 | 67 | 34.5 | 34 | 14 | 1 | 19 | 4 | M16 | 5.0 | 3.0 | 1.13 | ||||
| 32 | 135 | 100 | 76 | 43.2 | 42.7 | 16 | 2 | 19 | 4 | M16 | 6.0 | 3.0 | 1.48 | ||||
| 50 | 140 | 105 | 81 | 49.1 | 48.6 | 2 | 19 | 4 | M16 | 6.0 | 3.0 | 1.56 | |||||
| 50 | 155 | 120 | 96 | 61.1 | 60.5 | 16 | 2 | 19 | 4 | M16 | 6.0 | 3.0 | 1.88 | ||||
| 65 | 175 | 140 | 116 | 77.1 | 76.3 | 18 | 2 | 19 | 4 | M16 | 6.5 | 4.0 | 2.6 | ||||
| 80 | 185 | 150 | 126 | 90 | 89.7 | 18 | 2 | 19 | 8 | M16 | 6.5 | 4.0 | 2.61 | ||||
| 90 | 195 | 160 | 136 | 102.6 | 101.6 | 18 | 2 | 19 | 8 | M16 | 6.5 | 4.0 | 2.76 | ||||
| 100 | 210 | 175 | 151 | 115.4 | 114.3 | 18 | 2 | 19 | 8 | M16 | 7.0 | 4.0 | 3.14 | ||||
| 125 | 250 | 210 | 182 | 141.2 | 139.8 | 20 | 2 | 23 | 8 | M20 | 7.5 | 4.0 | 4.77 | ||||
| 150 | 280 | 240 | 212 | 166.6 | 165.2 | 22 | 2 | 23 | 8 | M20 | 8.0 | 5.0 | 6.34 | ||||
| 175 | 305 | 265 | 237 | 192.1 | 190.7 | 22 | 2 | 23 | 12 | M20 | 9.0 | 5.0 | 6.82 | ||||
| 200 | 330 | 290 | 262 | 218.0 | 216.3 | 22 | 2 | 23 | 12 | M20 | 9.0 | 6.0 | 7.53 | ||||
| 225 | 350 | 310 | 282 | 243.7 | 241.8 | 22 | 2 | 23 | 12 | M20 | 9.0 | 6.0 | 7.74 | ||||
| 250 | 400 | 355 | 324 | 269.5 | 267.4 | 24 | 2 | 25 | 12 | M22 | 10.0 | 6.0 | 12.70 | ||||
| 300 | 445 | 400 | 368 | 321.0 | 318.5 | 24 | 36 38 |
288 340 |
292 346 |
6 6 |
2 | 25 | 16 | M22 | 10.0 | 6.0 | 13.80 |
| 350 | 490 | 445 | 413 | 358.1 | 355.6 | 26 | 42 | 380 | 386 | 6 | 3 | 25 | 16 | M22 | 12.0 | 7.0 | 18.20 |
| 400 | 560 | 510 | 475 | 409.0 | 406.4 | 28 | 44 | 436 | 442 | 6 | 3 | 27 | 16 | M24 | 12.0 | 7.0 | 25.20 |
| 450 | 620 | 565 | 530 | 460.0 | 457.2 | 30 | 48 | 496 | 502 | 6 | 3 | 27 | 20 | M24 | 14.0 | 8.0 | 33.00 |
| 500 | 675 | 620 | 585 | 511.0 | 508.0 | 32 | 48 | 548 | 554 | 6 | 3 | 27 | 20 | M24 | 14.0 | 8.0 | 37.60 |
| 550 | 745 | 680 | 640 | 562.0 | 558.8 | 32 | 52 | 604 | 610 | 6 | 3 | 33 | 20 | M30 | 15.0 | 9.0 | 49.70 |
| 600 | 795 | 730 | 690 | 613.0 | 609.6 | 34 | 52 | 656 | 662 | 6 | 3 | 33 | 24 | M30 | 16.0 | 10.0 | 52.60 |
| 650 | 845 | 780 | 740 | 664.0 | 660.4 | 34 | 56 | 706 | 712 | 6 | 3 | 33 | 24 | M30 | 16.0 | 10.0 | 60.60 |
| 700 | 905 | 840 | 800 | 715.0 | 711.2 | 36 | 58 | 762 | 770 | 6 | 3 | 33 | 24 | M30 | 17.0 | 10.0 | 70.60 |
| 750 | 970 | 900 | 855 | 766.0 | 762.0 | 36 | 62 | 816 | 824 | 6 | 3 | 33 | 24 | M30 | 18.0 | 11.0 | 85.80 |
| 800 | 1020 | 950 | 905 | 817.0 | 812.8 | 36 | 64 | 863 | 876 | 6 | 3 | 33 | 28 | M30 | 19.0 | 12.0 | 91.20 |
| 850 | 1070 | 1000 | 955 | 868.0 | 863.6 | 38 | 66 | 920 | 928 | 6 | 3 | 33 | 28 | M30 | 19.0 | 12.0 | 98.60 |
| 900 | 1120 | 1050 | 1005 | 919.0 | 914.4 | 40 | 70 | 974 | 979 | 6 | 3 | 33 | 28 | M30 | 22.0 | 14.0 | 109.00 |
| 1000 | 1235 | 1160 | 1110 | 1021.0 | 1016.0 | 42 | 74 | 1023 | 1081 | 6 | 3 | 39 | 28 | M36 | 22.0 | 14.0 | 133.00 |
| 1100 | 1345 | 1270 | 1220 | 1123.0 | 1117.0 | 44 | 3 | 39 | 28 | M36 | |||||||
| 1200 | 1465 | 1380 | 1325 | 1225.0 | 1219.2 | 48 | 3 | 39 | 32 | M36 | |||||||
| 1350 | 1630 | 1540 | 1480 | 1371.6 | 50 | 3 | 45 | 36 | M42 | ||||||||
| 1500 | 1795 | 1700 | 1635 | 1524.0 | 3 | 45 | 40 | M42 | |||||||||
