(Backing) Outer Flanges

Outside Diameterof Pipe - ?DDIN 86037 EEMUA 145 (A105 only)PN 10 150 LbsNominal(Inch)Actual(mm)?A(mm)C(mm)?B(mm)F(mm)Drillingkg/pc?A(mm)C(mm)?B(mm)F(mm)Drillingkg/pc?G(mm)N(mm)?d(mm)?G(mm)N(mm)?d(mm)1/2 16 - - - - - - - - 89 14 17.5 2 60.3 4 15.9 0.601/2 20 95 14 22 3 65 4 14 0.69 - - - - - - - -3/4 25 105 14 26.7 3 75 4 14 0.80 98 14 26.7 3 69.8 4 15.9 0.801 30 115 16 33.4 4 85 4 14 1.10 108 14 33.4 3 79.4 4 15.9 0.901? 38 140 16 42.16 4 100 4 18 1.65 117 14 42.16 3 88.9 4 15.9 1.101? 44.5 150 16 48.3 4 110 4 18 1.85 127 14 48.3 3 98.4 4 15.9 1.202 57 165 16 60.3 5 125 4 18 2.20 152 18 60.3 3 120.6 4 19.0 2.102? 76.1 185 16 79.5 5 145 4 18 2.65 178 18 79.5 3 139.7 4 19.0 2.603 88.9 200 18 92 5 160 8 18 3.30 190 19 92 3 152.4 4 19.0 2.904 108 220 18 114.3 5 180 8 18 3.65 229 24 114.3 3 190.4 8 19.0 5.905 133 250 18 139.7 5 210 8 18 4.55 - - - - - - - -6 159 285 18 163 5 240 8 22 5.60 279 27 163 4 241.3 8 22.2 8.407 193.7 315 22 200 5 270 8 22 7.50 - - - - - - - -8 219.1 340 20 222 5 295 8 22 7.45 343 31 222 5 298.4 8 22.2 12.3510 267 395 22 273 5 350 12 22 10.30 406 38 273 5 362.0 12 25.4 19.7012 323.9 445 24 327 7 400 12 22 12.00 483 41 327 7 431.8 12 25.4 32.2014 368 505 24 371 7 460 16 22 16.00 533 45 371 7 476.2 12 28.6 38.2016 419.1 565 26 422 7 515 16 26 20.00 597 51 422 7 539.8 16 28.6 52.1518 457.2 615 28 461.5 7 565 20 26 25.00 635 52 461.5 7 577.8 16 31.8 54.0520 508 670 30 512 7 620 20 26 31.00 698 58 512 7 635.0 20 31.8 73.2024 610 780 32 616 9 725 20 30 40.00 813 71 616 9 749.3 20 34.9 114.2528 711 - - - - - - - - 927 81 718 9 864.0 28 34.9 151.8032 813 - - - - - - - - 1060 95 820 9 978.0 28 41.1 233.5036 914 - - - - - - - - 1168 105 919 9 1086.0 32 41.1 294.10