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DIN 2527 PN25 Blind Flange Dimensions, Technical Drawings, and Approx. Flange Weight DOWNLOAD DIN 2527 PN25 BLIND FLANGE DIMENSIONS, TECHNICAL DRAWINGS, AND APPROX. FLANGE WEIGHT PDF Get Complete details of DIN Standard Flanges DIN 2527 PN25 Blind Flange Dimensions Dimensions and Approx. Flange Weight Nominal Pipe Size Flange Dimension Screw Parameter Approx. Flange Weight Flanges Dia Thk of Flange Dia of Bolt Circle No. of holes  Dia of Bolt Holes DIN  D  b  k  X d2  KG/PCS 10 90 16 60 4 14 0.72 15 95 16 65 4 14 0.81 20 105 18 75 4 14 1.14 25 115 18 85 4 14 1.38 32 140 18 100 4 18 2.03 40 150 18 110 4 18 2.35 50 165 20 125 4 18 3.2 65 185 22 145 4 18 4.29 80 200 24 160 8 18 5.54 100 235 24 190 8 22 7.6 125 270 26 220 8 26 10.82 150 300 28 250 8 26 14.6 175 330 28 280 8 26 17.4 200 360 30 310 12 26 22.47 250 425 32 370 12 30 33.51 300 485 34 430 12 30 46.29 350 555 38 490 16 33 68.08 400 620 40 550 16 36 89.59 500 730 45 660 20 36 140.66 600 845 48 770 20 39 202.3 700 960 50 875 24 42 271.05 800 1085 54 990 24 48 373.52 900 1185 58 1090 28 48 479.07 1000 1320 62 1210 28 56 632.47 DIN 2527 PN25 Blind Flange Industries and Applications Widely used in the industries Pumps, Valves, and vessels in manufacturing and food processing. Pipe connections in industrial waterworks. Heat exchangers and heating systems of all sizes. Mining support. Nuclear power systems. Plumbing and mechanical systems. Assemblies in the oil, gas, and petrochemical industries. Fire protection systems….