Pn40 Flanges

BS EN 1092-1:2002 PN 40 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 18.0 40 2 1.8 60 14 4 M12 15 95 14 14 20 35 6 4 21.3 32 35 22.0 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 20 20 34 48 8 6 60.3 75 84 61.5 102 2 2.9 125 18 4 M16 65 185 22 22 38 52 10 6 76.1 90 104 77.5 122 2 2.9 145 18 8 M16 80 200 24 24 40 58 12 8 88.9 105 118 90.5 138 2 3.2 160 18 8 M16 100 235 26 24 44 65 12 8 114.3 134 145 116.0 162 2 3.6 190 22 8 M20 125 270 28 26 48 68 12 10 139.7 162 170 141.5 188 2 4.2 220 26 8 M24 150 300 30 28 52 75 12 10 168.3 192 200 170.5 218 2 4.5 250 26 8 M24 200 375 36 34 52 88 16 10 219.1 244 260 221.5 285 2 6.3 320 30 12 M27 250 450 42 38 60 105 18 12 273.0 306 312 276.5 345 2 7.1 385 33 12 M30 300 515 48 42 67 115 18 12 323.9 362 380 327.5 410 2 8.0 450 33 16 M30 350 580 54 46 72 125 20 12 355.6 408 424 359.5 465 2 8.8 510 36 16 M33 400 660 60 50 78 135 20 12 406.4 462 478 411.0 535 2 11.0 585 39 16 M36 450 685 66 57 84 135 20 12 457.0 500 522 462.0 560 2 12.5 610 39 20 M36 500 755 72 57 90 140 20 12 508.0 562 576 513.5 615 2 14.2 670 42 20 M39 600 890 84 72 100 150 20 12 610.0 666 686 616.5 735 2 16.0 795 48 20 M45