英标BS4504
This diagram illustrates the arrangement but not necessarily the correct number of bolt holes.
Refer to the column Bolting Number for the actual number.
Note:Dimension N1 N2 are measured at the intersection of the projections of the hub draft angle and the back face of the flange.
DIMENSIONS OF PN16 FLANGES
Nominal | Mating dimensions | Outside Diameter of neck A | Bore Diameters | Flange thickness | Diameter of shoulder G | Lengths | Neck diameters | Radius R | Neck thick-ness S | Nominal size DN | |||||||||
Outside Diameter D | Diameter of bolt circle K | Diameter of bolt hole L | Bolting | ||||||||||||||||
Num- | Size | B1 | C1 | C2 | C3 | H1 | H2 | H3 | N1 | N2 | |||||||||
Codes affected | 101,105,111,112,113 | 111 | 101 112 | 101 | 111 112 113 | 105 | 105 | 112 113 | 111 | 111 | 111 | 112 113 | 111 112 113 | 111 | |||||
| mm 90 95 105 115 140 150 165 185 200 220 250 285 340 405 450 520 580 640 715 840 910 1025 1125 1255 1485 1685 1930 2130 2345 | mm 60 65 75 85 100 110 125 145 160 180 210 240 295 355 410 470 525 585 850 770 840 950 1050 1170 1390 1590 1820 2020 2230 | mm |
| M12 M12 M12 M12 M12 M16 M16 M16 M16 M16 M16 M20 M20 M24 M24 M24 M27 M27 M30 M33 M33 M36 M36 M39 M45 M45 M52 M52 M56 | mm 17.2 21.3 26.9 33.7 42.4 48.3 60.3 76.1 88.96 114.3 139.7 168.3 219.1 273.0 323.9 355.6 406.4 457.0 508.0 610.0 711.0 813.0 914.0 1016.0 1220.0 1420.0 1620.0 1820.0 2020.0 | mm 18.0 22.0 27.5 34.5 43.5 49.5 61.5 77.5 90.5 116.0 141.5 170.5 221.5 278.5 327.5 359.0 411.0 462.0 513.5 616.5 - - - - - - - - - | mm | mm 14 14 16 16 16 16 18 18 20 20 22 22 24 26 28 30 32 34 34 36 36 38 40 42 48 52 58 62 86 | mm 14 14 16 16 16 16 18 18 20 20 22 22 24 26 28 30 32 36 36 44 48 52 58 64 76 - - - - | mm - - - - - - - 55 70 90 115 140 190 235 285 325 372 425 475 575 670 770 860 960 1160 - - - - | mm | mm | mm 6 6 6 6 6 7 8 10 10 12 12 12 16 16 18 16 16 18 16 18 18 20 20 22 30 30 35 35 40 | mm | mm | mm 3 3 4 4 5 5 5 6 6 6 6 8 8 10 10 10 10 12 12 12 12 12 12 12 12 12 12 15 15 | mm 1.8 2.0 2.3 2.6 2.6 2.6 2.9 2.9 3.2 3.6 4.0 4.5 5.6 6.3 7.1 8.0 8.0 8.0 8.0 8.8 8.8 10.0 10.0 10.0 12.5 14.2 16.0 17.5 20.0 | 10 15 20 25 32 40 50 65 80 100 125 150 200 250 300 350 400 450 500 600 700 800 900 1000 1200 1400 1600 1800 2000 |
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