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BS 4504 Blank Flange Dimensions, Blind Flange Technical Drawing DOWNLOAD BS 4504 BLANK FLANGE DIMENSIONS, BLIND FLANGE TECHNICAL DRAWING PDF Get Complete details of BS 4504 Flange Standard BS 4504 Blind Flange Dimensions Dimensions in MM DN PN A mm B mm  C mm  10 2.5, 6 75 12 – 10 &16 90 14 – 25 & 40 90 16 – 15 2.5 & 6 80 12 – 10 &16 95 14 – 25 & 40 95 16 – 20 2.5 & 6 90 14 – 10 &16 105 16 – 25 & 40 105 18 – 25 2.5 & 6 100 14 – 10 &16 115 16 – 25 & 40 115 18 – 32 2.5 & 6 120 14 – 10 &16 140 16 – 25 & 40 140 18 – 40 2.5 & 6 130 14 – 10 &16 150 16 – 25 & 40 150 18 – 50 2.5 & 6 140 14 – 10 & 16 165 18 – 25 & 40 165 20 – 65 2.5 & 6 160 14 55 10 & 16 185 18 55 25 & 40 185 22 55 80 2.5 & 6 190 16 70 10 &16 200 20 70 25&40 200 24 70 100 2.5 & 6 210 16 90 10 &16 220 20 90 25&40 235 24 90 125 2.5 & 6 240 18 115 10 & 16 250 22 115 25 & 40 270 26 115 150 2.5 & 6 265 18 140 10 & 16 285 22 140 25 & 40 300 28 140 200 2.5 & 6 320 20 190 10 &16 340 24 190 25 360 30 190 40 375 34 190 250 2.5 & 6 375 22 235 10 395 26 235 16 405 26 235 25 425 32 235 40 450…