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BS 10 Table J Flange Dimensions and Technical Drawing DOWNLOAD BS 10 Table J Flange Dimensions and Technical Drawing PDF BS 10 Table J Flange Dimensions Dimensions in MM Maximum Pipe Sizes L D A K C N2 N1 B H2 R1 H1 R2 HOLES Inch Millimeter (MM) ½” 15 14.5 95.3 21.3 66.8 6.4 33.3 27.0 22.4 22.2 6.4 9.5 1.6 4 ¾” 20 14.5 101.6 26.7 73.2 6.4 38.1 33.3 27.7 22.2 6.4 11.1 1.6 4 1″ 25 14.5 114.3 33.5 82.6 7.2 47.6 42.9 34.6 22.2 6.4 11.1 1.6 4 1 ¼” 32 14.5 120.7 42.2 87.4 7.9 55.6 49.2 43.2 25.4 6.4 11.1 1.6 4 1 ½” 40 14.5 133.4 48.3 98.6 8.7 61.9 58.7 49.5 28.6 6.4 12.7 1.6 4 2″ 50 17.5 152.4 60.5 114.3 9.5 74.6 69.9 62.0 28.6 6.4 12.7 1.6 4 2 ½” 65 17.5 165.1 73.2 127.0 10.3 90.5 82.6 74.7 31.8 6.4 15.9 1.6 4 3″ 80 17.5 184.2 88.9 146.1 11.1 106.4 101.6 90.7 34.9 6.4 15.9 1.6 4 3 ½” 88 17.5 203.2 101.6 165.1 11.9 119.1 114.3 103.4 34.9 6.4 17.5 1.6 4 4″ 100 17.5 215.9 114.3 177.8 12.7 133.4 130.2 116.1 41.3 9.5 19.1 3.2 4 5″ 125 17.5 254.0 141.2 209.6 14.3 160.3 152.4 143.8 44.5 9.5 19.1 3.2 8 6″ 150 17.5 279.4 168.4 235.0 17.5 185.7 184.2 171.7 47.6 9.5 19.1 3.2 8 8″ 200 17.5 336.6 219.2 292.1 19.1 241.3 241.3 221.5 50.8 9.5 22.2 3.2 8 10″ 250 22.2 406.4 273.1 355.6 22.2 298.5 292.1 276.4 63.5 9.5 27.0 3.2 8 12″ 300 22.2 457.2 323.9 406.4 25.4 349.3 342.9 325.9 69.9 9.5 28.6 4.8 12 14″ 350 25.4 527.1 355.6 469.9 28.6 – 406.4 359.2 73.0 9.5 – 4.8 12 16″ 400 25.4 577.9 406.4 520.7 31.8 -…