Flanges
BS EN 1092-1:2002 PN 16 DIMENSIONS (in mm) | ||||||||||||||||||
Nominal Pipe Size | Flange Dia | Thk of Flanges | Length Through Hub | Straight Portion of Neck | Radius | Diameter at weld Bevel | Dia of Hub | Bore of S/O | Dia of R/F | Thk of RFD | Thk of Neck | Dia of Bolt Circle | Dia of Bolt Hole | No. of Holes | Size of Bolt | |||
DN | D | C1 | C2 | H1 | H2 | H3 | R | A | N1 | N2 | B1 | d1 | f1 | S | K | L | No | Size |
10 | 90 | 14 | 14 | 20 | 35 | 6 | 4 | 17.2 | 28 | 30 | 18 | 40 | 2 | 1.8 | 60 | 14 | 4 | M12 |
15 | 95 | 14 | 14 | 20 | 35 | 6 | 4 | 21.3 | 32 | 35 | 22 | 45 | 2 | 2.0 | 65 | 14 | 4 | M12 |
20 | 105 | 14 | 14 | 24 | 38 | 6 | 4 | 26.9 | 39 | 45 | 27.5 | 58 | 2 | 2.3 | 75 | 14 | 4 | M12 |
25 | 115 | 16 | 16 | 24 | 38 | 6 | 4 | 33.7 | 46 | 52 | 34.5 | 68 | 2 | 2.6 | 85 | 14 | 4 | M12 |
32 | 140 | 18 | 16 | 26 | 40 | 6 | 6 | 42.4 | 56 | 60 | 43.5 | 78 | 2 | 2.6 | 100 | 18 | 4 | M16 |
40 | 150 | 18 | 16 | 26 | 42 | 7 | 6 | 48.3 | 64 | 70 | 49.5 | 88 | 2 | 2.6 | 110 | 18 | 4 | M16 |
50 | 165 | 19 | 18 | 28 | 45 | 8 | 6 | 60.3 | 75 | 84 | 61.5 | 102 | 2 | 2.9 | 125 | 18 | 4 | M16 |
65 | 185 | 20 | 18 | 32 | 45 | 10 | 6 | 76.1 | 90 | 104 | 77.5 | 122 | 2 | 2.9 | 145 | 18 | 8** | M16 |
80 | 200 | 20 | 20 | 34 | 50 | 10 | 8 | 88.9 | 105 | 118 | 90.5 | 138 | 2 | 3.2 | 160 | 18 | 8 | M16 |
100 | 220 | 22 | 20 | 40 | 52 | 12 | 8 | 114.3 | 131 | 140 | 116 | 158 | 2 | 3.6 | 180 | 18 | 8 | M16 |
125 | 250 | 22 | 22 | 44 | 55 | 12 | 8 | 139.7 | 156 | 168 | 141.5 | 188 | 2 | 4.0 | 210 | 18 | 8 | M16 |
150 | 285 | 24 | 22 | 44 | 55 | 12 | 10 | 168.3 | 192 | 195 | 170.5 | 212 | 2 | 4.5 | 240 | 22 | 8 | M20 |
200 | 340 | 26 | 24 | 44 | 62 | 16 | 10 | 219.1 | 235 | 246 | 221.5 | 268 | 2 | 5.6 | 295 | 22 | 12 | M20 |
250 | 405 | 29 | 26 | 46 | 70 | 16 | 12 | 273.0 | 292 | 298 | 276.5 | 320 | 2 | 6.3 | 355 | 26 | 12 | M24 |
300 | 460 | 32 | 28 | 46 | 78 | 16 | 12 | 323.9 | 344 | 350 | 327.5 | 378 | 2 | 7.1 | 410 | 26 | 12 | M24 |
350 | 520 | 35 | 30 | 57 | 82 | 16 | 12 | 355.6 | 390 | 400 | 359 | 438 | 2 | 8.0 | 470 | 26 | 16 | M24 |
400 | 580 | 38 | 32 | 63 | 85 | 16 | 12 | 406.4 | 445 | 456 | 411.0 | 490 | 2 | 8.0 | 525 | 30 | 16 | M27 |
450 | 640 | 42 | 40 | 68 | 87 | 16 | 12 | 457.0 | 490 | 502 | 462.0 | 550 | 2 | 8.0 | 585 | 30 | 20 | M27 |
500 | 715 | 46 | 44 | 73 | 90 | 16 | 12 | 508.0 | 548 | 559 | 513.5 | 610 | 2 | 8.0 | 650 | 33 | 20 | M30 |
600 | 840 | 52 | 54 | 83 | 95 | 18 | 12 | 610.0 | 652 | 658 | 616.5 | 725 | 2 | 8.8 | 770 | 36 | 20 | M33 |
700 | 910 | - | 36 | 83 | 100 | 18 | 12 | 711.0 | 755 | 760 | - | 795 | 2 | 8.8 | 840 | 36 | 24 | M33 |
800 | 1025 | - | 38 | 90 | 105 | 20 | 12 | 813.0 | 855 | 864 | - | 900 | 2 | 10.0 | 950 | 39 | 24 | M36 |
900 | 1125 | - | 40 | 94 | 110 | 20 | 12 | 914.0 | 955 | 968 | - | 1000 | 2 | 10.0 | 1050 | 39 | 28 | M36 |
1000 | 1255 | - | 42 | 100 | 120 | 22 | 16 | 1016.0 | 1058 | 1072 | - | 1115 | 2 | 10.0 | 1170 | 42 | 28 | M39 |
1200 | 1485 | - | 48 | - | 130 | 30 | 16 | 1219.0 | 1262 | - | - | 1330 | 2 | 12.5 | 1390 | 48 | 32 | M45 |
1400 | 1685 | - | 52 | - | 145 | 30 | 16 | 1420.0 | 1465 | - | - | 1530 | 2 | 14.2 | 1590 | 48 | 36 | M45 |
1600 | 1930 | - | 58 | - | 160 | 35 | 16 | 1620.0 | 1668 | - | - | 1750 | 2 | 16.0 | 1820 | 56 | 40 | M52 |