常用法蘭規(guī)格尺寸表
更新時(shí)間：2014-11-12 點(diǎn)擊次數(shù)：1677
公稱通徑DNmm | 公 稱 壓 力 PN MPa(bar) | |
0.25(2.5)/0.6(6) | 1.0(10) | 1.6(16) | 2.5(25) | 2.0(20) | |
D | K | n | L | D | K | n | L | D | K | n | L | D | K | n | L | D | K | n | L | |
40 | 130 | 100 | 4 | 14 | 150 | 110 | 4 | 18 | 150 | 110 | 4 | 18 | 150 | 110 | 4 | 18 | 130 | 98．5 | 4 | 16 | |
50 | 140 | 110 | 165 | 125 | 165 | 125 | 165 | 125 | 150 | 120．5 | 20 | |
65 | 160 | 130 | 185 | 145 | 185 | 145 | 185 | 145 | 8 | 180 | 139．5 | |
80 | 190 | 150 | 18 | 200 | 160 | 8 | 200 | 160 | 8 | 200 | 160 | 190 | 152．5 | |
100 | 210 | 170 | 220 | 180 | 220 | 180 | 235 | 190 | 22 | 230 | 190．5 | 8 | |
125 | 240 | 200 | 8 | 250 | 210 | 250 | 210 | 270 | 220 | 26 | 255 | 216 | 22 | |
150 | 265 | 225 | 285 | 240 | 22 | 285 | 240 | 22 | 300 | 250 | 280 | 241．5 | |
200 | 320 | 280 | 340 | 295 | 340 | 295 | 12 | 360 | 310 | 12 | 345 | 298．5 | |
250 | 375 | 335 | 12 | 395 | 350 | 12 | 405 | 355 | 26 | 425 | 370 | 30 | 405 | 362 | 12 | 26 | |
300 | 440 | 395 | 22 | 445 | 400 | 460 | 410 | 485 | 430 | 16 | 485 | 432 | |
350 | 490 | 445 | 505 | 460 | 16 | 520 | 470 | 16 | 555 | 490 | 33 | 535 | 470 | 30 | |
400 | 540 | 495 | 16 | 565 | 515 | 26 | 580 | 525 | 30 | 620 | 550 | 36 | 600 | 540 | 16 | |
450 | 595 | 550 | 615 | 565 | 20 | 640 | 585 | 20 | 670 | 600 | 20 | 635 | 578 | 33 | |
500 | 645 | 600 | 20 | 670 | 620 | 715 | 650 | 33 | 730 | 660 | 700 | 635 | 20 | |
600 | 755 | 705 | 26 | 780 | 725 | 30 | 840 | 770 | 36 | 845 | 770 | 39 | 815 | 749．5 | 36 | |
700 | 860 | 810 | 24 | 895 | 840 | 24 | 910 | 840 | 24 | 960 | 875 | 24 | 42 | / | |
800 | 975 | 920 | 30 | 1015 | 950 | 33 | 1025 | 950 | 39 | 1085 | 990 | 48 | |
900 | 1075 | 1020 | 1115 | 1050 | 28 | 1125 | 1050 | 28 | 1185 | 1090 | 28 | |
1000 | 1175 | 1120 | 28 | 1230 | 1160 | 36 | 1255 | 1170 | 42 | 1320 | 1210 | 56 | |
1200 | 1375 1405 | 1320 1340 | 32 | 30 33 | 1455 | 1380 | 32 | 39 | 1485 | 1390 | 32 | 48 | 1530 | 1420 | 32 | |
1400 | 1575 1630 | 1520 1560 | 36 | 30 36 | 1675 | 1590 | 36 | 42 | 1685 | 1590 | 36 | 1755 | 1640 | 36 | 62 | |
1600 | 1790 1830 | 1730 1760 | 40 | 1915 | 1820 | 40 | 48 | 1930 | 1820 | 40 | 56 | 1975 | 1860 | 40 | |
代號(hào) | D - 法蘭外徑 mm； n - 螺栓孔個(gè)數(shù) D1 - 法蘭螺栓孔中心圓直徑 mm d - 螺栓孔直徑 mm; | |
| 國(guó)標(biāo)(GB9112—9131—88)管法蘭連接尺寸表 |
| 公稱通徑DNmm | 公 稱 壓 力 PN MPa(bar) | 0.25(2.5)/0.6(6) | 1.0(10) | 1.6(16) | 2.5(25) | 2.0(20) | D | K | n | L | D | K | n | L | D | K | n | L | D | K | n | L | D | K | n | L | 40 | 130 | 100 | 4 | 14 | 150 | 110 | 4 | 18 | 150 | 110 | 4 | 18 | 150 | 110 | 4 | 18 | 130 | 98．5 | 4 | 16 | 50 | 140 | 110 | 165 | 125 | 165 | 125 | 165 | 125 | 150 | 120．5 | 20 | 65 | 160 | 130 | 185 | 145 | 185 | 145 | 185 | 145 | 8 | 180 | 139．5 | 80 | 190 | 150 | 18 | 200 | 160 | 8 | 200 | 160 | 8 | 200 | 160 | 190 | 152．5 | 100 | 210 | 170 | 220 | 180 | 220 | 180 | 235 | 190 | 22 | 230 | 190．5 | 8 | 125 | 240 | 200 | 8 | 250 | 210 | 250 | 210 | 270 | 220 | 26 | 255 | 216 | 22 | 150 | 265 | 225 | 285 | 240 | 22 | 285 | 240 | 22 | 300 | 250 | 280 | 241．5 | 200 | 320 | 280 | 340 | 295 | 340 | 295 | 12 | 360 | 310 | 12 | 345 | 298．5 | 250 | 375 | 335 | 12 | 395 | 350 | 12 | 405 | 355 | 26 | 425 | 370 | 30 | 405 | 362 | 12 | 26 | 300 | 440 | 395 | 22 | 445 | 400 | 460 | 410 | 485 | 430 | 16 | 485 | 432 | 350 | 490 | 445 | 505 | 460 | 16 | 520 | 470 | 16 | 555 | 490 | 33 | 535 | 470 | 30 | 400 | 540 | 495 | 16 | 565 | 515 | 26 | 580 | 525 | 30 | 620 | 550 | 36 | 600 | 540 | 16 | 450 | 595 | 550 | 615 | 565 | 20 | 640 | 585 | 20 | 670 | 600 | 20 | 635 | 578 | 33 | 500 | 645 | 600 | 20 | 670 | 620 | 715 | 650 | 33 | 730 | 660 | 700 | 635 | 20 | 600 | 755 | 705 | 26 | 780 | 725 | 30 | 840 | 770 | 36 | 845 | 770 | 39 | 815 | 749．5 | 36 | 700 | 860 | 810 | 24 | 895 | 840 | 24 | 910 | 840 | 24 | 960 | 875 | 24 | 42 | / | 800 | 975 | 920 | 30 | 1015 | 950 | 33 | 1025 | 950 | 39 | 1085 | 990 | 48 | 900 | 1075 | 1020 | 1115 | 1050 | 28 | 1125 | 1050 | 28 | 1185 | 1090 | 28 | 1000 | 1175 | 1120 | 28 | 1230 | 1160 | 36 | 1255 | 1170 | 42 | 1320 | 1210 | 56 | 1200 | 1375 1405 | 1320 1340 | 32 | 30 33 | 1455 | 1380 | 32 | 39 | 1485 | 1390 | 32 | 48 | 1530 | 1420 | 32 | 1400 | 1575 1630 | 1520 1560 | 36 | 30 36 | 1675 | 1590 | 36 | 42 | 1685 | 1590 | 36 | 1755 | 1640 | 36 | 62 | 1600 | 1790 1830 | 1730 1760 | 40 | 1915 | 1820 | 40 | 48 | 1930 | 1820 | 40 | 56 | 1975 | 1860 | 40 | 代號(hào) | D - 法蘭外徑 mm； n - 螺栓孔個(gè)數(shù) D1 - 法蘭螺栓孔中心圓直徑 mm d - 螺栓孔直徑 mm; |
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| 國(guó)標(biāo)標(biāo)準(zhǔn)法蘭尺寸對(duì)照表 |
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| PN1.6MPa的尺寸 | 口徑DN | A | B | C | E | H | D | 螺栓 | 50 | 160 | 125 | 100 | 3 | 16 | 18 | 4-M16 | 65 | 180 | 145 | 120 | 3 | 18 | 18 | 4-M16 | 80 | 195 | 160 | 135 | 3 | 20 | 18 | 8-M16 | 100 | 215 | 180 | 155 | 3 | 20 | 18 | 8-M16 | 125 | 245 | 210 | 185 | 3 | 22 | 18 | 8-M16 | 150 | 280 | 240 | 210 | 3 | 24 | 23 | 8-M20 | 200 | 335 | 295 | 265 | 3 | 26 | 23 | 12-M20 | 250 | 405 | 355 | 320 | 3 | 30 | 25 | 12-M22 | 300 | 460 | 410 | 375 | 4 | 30 | 25 | 12-M22 | 350 | 520 | 470 | 435 | 4 | 34 | 25 | 16-M22 | 400 | 580 | 525 | 485 | 4 | 36 | 30 | 16-M27 | 450 | 640 | 585 | 545 | 4 | 40 | 30 | 20-M27 | 500 | 705 | 650 | 608 | 4 | 44 | 34 | 20-M30 | 600 | 840 | 770 | 718 | 5 | 48 | 41 | 24-M36 | 700 | 910 | 840 | 788 | 5 | 50 | 41 | 24-M36 | 800 | 1020 | 950 | 898 | 5 | 52 | 41 | 24-M36 | 900 | 1120 | 1050 | 998 | 5 | 54 | 41 | 28-M36 | 1000 | 1255 | 1170 | 1110 | 5 | 56 | 48 | 28-M42 |
| | PN2.5MPa的尺寸 | 口徑DN | A | B | C | E | H | D | 螺栓 | 50 | 160 | 125 | 100 | 3 | 20 | 18 | 4-M16 | 65 | 180 | 145 | 120 | 3 | 22 | 18 | 8-M16 | 80 | 195 | 160 | 135 | 3 | 22 | 18 | 8-M16 | 100 | 230 | 190 | 160 | 3 | 24 | 23 | 8-M20 | 125 | 270 | 220 | 188 | 3 | 28 | 25 | 8-M22 | 150 | 300 | 250 | 218 | 3 | 30 | 25 | 8-M22 | 200 | 360 | 310 | 278 | 3 | 34 | 25 | 12-M22 | 250 | 425 | 370 | 332 | 3 | 36 | 30 | 12-M27 | 300 | 485 | 430 | 390 | 4 | 40 | 30 | 12-M27 | 350 | 550 | 490 | 448 | 4 | 44 | 34 | 16-M30 | 400 | 610 | 550 | 505 | 4 | 48 | 34 | 16-M30 | 450 | 660 | 600 | 555 | 4 | 50 | 34 | 20-M30 | 500 | 730 | 660 | 610 | 4 | 52 | 41 | 20-M36 | 600 | 840 | 770 | 718 | 5 | 56 | 41 | 20-M36 | 700 | 955 | 875 | 815 | 5 | 60 | 48 | 24-M42 | 800 | 1070 | 990 | 930 | 5 | 64 | 48 | 24-M42 | 900 | 1180 | 1090 | 1025 | 5 | 66 | 54 | 28-M48 | 1000 | 1305 | 1210 | 1140 | 5 | 68 | 58 | 28-M52 |
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PN4.0MPa的尺寸 | 口徑DN | A | B | C | G | E | F | H | D | 螺栓 | 50 | 160 | 125 | 100 | 88 | 3 | 4 | 20 | 18 | 4-M16 | 65 | 180 | 145 | 120 | 110 | 3 | 4 | 22 | 18 | 4-M16 | 80 | 195 | 160 | 135 | 121 | 3 | 4 | 22 | 18 | 8-M16 | 100 | 230 | 190 | 160 | 150 | 3 | 4.5 | 24 | 23 | 8-M20 | 125 | 270 | 220 | 188 | 175 | 3 | 4.5 | 28 | 25 | 8-M22 | 150 | 300 | 250 | 218 | 204 | 3 | 4.5 | 30 | 25 | 8-M22 | 200 | 375 | 320 | 282 | 260 | 3 | 4.5 | 38 | 30 | 12-M27 | 250 | 445 | 385 | 345 | 313 | 3 | 4.5 | 42 | 34 | 12-M30 | 300 | 510 | 450 | 408 | 364 | 4 | 4.5 | 46 | 34 | 16-M30 | 350 | 570 | 510 | 465 | 422 | 4 | 5 | 52 | 34 | 16-M30 | 400 | 655 | 585 | 535 | 474 | 4 | 5 | 58 | 41 | 16-M36 | 450 | 680 | 610 | 560 | 524 | 4 | 5 | 60 | 41 | 20-M36 | 500 | 755 | 670 | 612 | 576 | 4 | 5 | 62 | 48 | 20-M42 | 600 | 890 | 795 | 730 | 678 | 5 | 6 | 62 | 54 | 20-M48 | 700 | 995 | 900 | 825 | 768 | 5 | 6 | 68 | 54 | 24-M48 | 800 | 1135 | 1030 | 960 | 876 | 5 | 6 | 76 | 58 | 24-M52 |
| | PN6.4MPa的尺寸 | 口徑DN | A | B | C | G | E | F | H | D | 螺栓 | 50 | 175 | 135 | 105 | 88 | 3 | 4 | 26 | 23 | 4-M20 | 65 | 200 | 160 | 130 | 110 | 3 | 4 | 28 | 23 | 4-M20 | 80 | 210 | 170 | 140 | 121 | 3 | 4 | 30 | 23 | 8-M20 | 100 | 250 | 200 | 168 | 150 | 3 | 4.5 | 32 | 25 | 8-M22 | 125 | 295 | 240 | 202 | 175 | 3 | 4.5 | 36 | 30 | 8-M27 | 150 | 340 | 280 | 240 | 204 | 3 | 4.5 | 38 | 34 | 8-M30 | 200 | 405 | 345 | 300 | 260 | 3 | 4.5 | 44 | 34 | 12-M30 | 250 | 470 | 400 | 352 | 313 | 3 | 4.5 | 48 | 41 | 12-M36 | 300 | 530 | 460 | 412 | 364 | 4 | 4.5 | 54 | 41 | 16-M36 | 350 | 595 | 525 | 475 | 422 | 4 | 5 | 60 | 41 | 16-M36 | 400 | 670 | 585 | 525 | 474 | 4 | 5 | 66 | 48 | 16-M42 | 500 | 800 | 705 | 640 | 576 | 4 | 5 | 70 | 54 | 20-M48 | 600 | 930 | 820 | 750 | 678 | 5 | 6 | 76 | 58 | 20-M52 |
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PN10.0MPa的尺寸 | 口徑DN | A | B | C | G | E | F | H | D | 螺栓 | 50 | 195 | 145 | 112 | 85 | 8 | 12 | 28 | 25 | 4-M22 | 65 | 220 | 170 | 138 | 110 | 8 | 12 | 32 | 25 | 8-M22 | 80 | 230 | 180 | 148 | 115 | 8 | 12 | 34 | 25 | 8-M22 | 100 | 265 | 210 | 172 | 145 | 8 | 12 | 38 | 30 | 8-M27 | 125 | 310 | 250 | 210 | 175 | 8 | 12 | 42 | 34 | 8-M30 | 150 | 350 | 290 | 250 | 205 | 8 | 12 | 46 | 34 | 12-M30 | 200 | 430 | 360 | 312 | 265 | 8 | 12 | 54 | 41 | 12-M36 | 250 | 500 | 430 | 382 | 320 | 8 | 12 | 60 | 41 | 12-M36 | 300 | 585 | 500 | 442 | 375 | 8 | 12 | 70 | 48 | 16-M42 | 350 | 655 | 560 | 498 | 420 | 11 | 12 | 76 | 54 | 16-M48 | 400 | 715 | 620 | 558 | 480 | 11 | 17 | 80 | 54 | 16-M48 |
| | PN16.0MPa尺寸 | 口徑DN | A | B | C | G | E | F | H | D | 螺栓 | 50 | 215 | 165 | 132 | 95 | 8 | 12 | 36 | 25 | 8-M22 | 65 | 245 | 190 | 152 | 110 | 8 | 12 | 44 | 30 | 8-M27 | 80 | 260 | 205 | 168 | 130 | 8 | 12 | 46 | 30 | 8-M27 | 100 | 300 | 240 | 200 | 160 | 8 | 12 | 48 | 34 | 8-M30 | 125 | 355 | 285 | 238 | 190 | 8 | 12 | |
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