1.“ 机械工业部( JB81/83 -94)”法兰连接尺寸表 公称通径DNmm | 公称 压 力 P g (Kgf/cm 2 ) | 2.5 | 6 | 10 | 16 | 25 | D | D 1 | n | d | D | D 1 | n | d | D | D 1 | n | d | D | D 1 | n | d | D | D 1 | n | d | 40 | 130 | 100 | 4 | 14 | 130 | 100 | 4 | 14 | 145 | 110 | 4 | 18 | 145 | 110 | 4 | 18 | 145 | 110 | 4 | 18 | 50 | 140 | 110 | 140 | 110 | 160 | 125 | 160 | 125 | 160 | 125 | 65 | 160 | 130 | 160 | 130 | 180 | 145 | 180 | 145 | 180 | 145 | 8 | 80 70 | 185 | 150 | 18 | 185 | 150 | 18 | 195 | 160 | 195 | 160 | 8 | 195 | 160 | 100 | 205 | 170 | 205 | 170 | 215 | 180 | 8 | 215 | 180 | 230 | 190 | 22 | 125 | 235 | 200 | 8 | 235 | 200 | 8 | 245 | 210 | 245 | 210 | 270 | 220 | 26 | 150 | 260 | 225 | 260 | 225 | 285 | 240 | 22 | 280 | 240 | 22 | 300 | 250 | 200 | 315 | 280 | 315 | 280 | 335 | 295 | 335 | 295 | 12 | 360 | 310 | 12 | 250 | 370 | 335 | 12 | 370 | 335 | 12 | 390 | 350 | 12 | 405 | 355 | 26 | 425 | 370 | 30 | 300 | 435 | 395 | 22 | 435 | 395 | 22 | 440 | 400 | 460 | 410 | 485 | 430 | 16 | 350 | 485 | 445 | 485 | 445 | 500 | 460 | 16 | 520 | 470 | 16 | 550 | 490 | 33 | 400 | 535 | 495 | 16 | 535 | 495 | 16 | 565 | 515 | 26 | 580 | 525 | 30 | 610 | 550 | 450 | 590 | 550 | 590 | 550 | 615 | 565 | 20 | 640 | 585 | 20 | 660 | 600 | 20 | 500 | 640 | 600 | 640 | 600 | 670 | 620 | 705 | 650 | 33 | 730 | 660 | 39 | 600 | 755 | 705 | 20 | 26 | 755 | 705 | 20 | 26 | 780 | 725 | 30 | 840 | 770 | 39 | 840 | 770 | 700 | 860 | 810 | 24 | 860 | 810 | 24 | 895 | 840 | 24 | 910 | 840 | 24 | 955 | 875 | 24 | 45 | 800 | 975 | 920 | 30 | 975 | 920 | 30 | 1010 | 950 | 33 | 1020 | 950 | 1070 | 990 | 900 | 1075 | 1020 | 1075 | 1020 | 1110 | 1050 | 28 | 1120 | 1050 | 28 | 1180 | 1090 | 28 | 52 | 1000 | 1175 | 1120 | 28 | 1175 | 1120 | 28 | 1220 | 1160 | 1255 | 1170 | 45 | 1305 | 1210 | 56 | 1200 | 1375 | 1320 | 32 | 1400 | 1340 | 32 | 33 | 1450 | 1380 | 32 | 39 | 1485 | 1390 | 32 | 52 | 1525 | 1420 | 32 | 1400 | 1575 | 1520 | 36 | 1620 | 1560 | 36 | 1675 | 1590 | 36 | 45 | 1685 | |
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