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DIN 2638 PN160 Welding Neck Flange Dimensions, Technical Drawings, and Approx. Flange Weight DOWNLOAD DIN 2638 PN160 WELDING NECK FLANGE DIMENSIONS, TECHNICAL DRAWINGS, AND APPROX. FLANGE WEIGHT PDF Get Complete details of DIN Standard Flanges DIN 2638 PN160 Welding Neck Flange Dimensions Dimensions and Approx. Flange Weight Pipe Parameter d1 Flange Dimension Neck Size Hub Size Screw Approx. Flange Weight DN  ISO  DIN  D  b  k  h1  d3  s r  h2  d4  f  No. of Holes d2  KG/PCS 10 –  14 100 20 70 45 28 2 4 6 40 2 4 14 1.08 17.2 –  100 20 70 45 32 2 4 6 40 2 4 14 1.08 15 –  20 105 20 75 45 32 2 4 6 45 2 4 14 1.19 21.3 –  105 20 75 45 34 2 4 6 45 2 4 14 1.19 25 –  30 140 24 100 58 48 2.9 4 8 68 2 4 18 2.62 33.7 –  140 24 100 58 52 2.9 4 8 68 2 4 18 2.62 40 –  44.5 170 28 125 64 65 3.6 6 10 88 3 4 22 4.36 48.3 –  170 28 125 64 70 3.6 6 10 88 3 4 22 4.34 50 –  57 195 30 145 75 86 4 6 10 102 3 4 26 6.28 60.3 –  195 30 145 75 90 4 6 10 102 3 4 26 6.27 65 76.1 –  220 34 170 82 108 5 6 12 122 3 8 26 8.61 80 88.9 –  230 36 180 86 120 6.3 8 12 138 3 8 26 10.09 100 –  108 265 40 210 100 145 8 8 12 162 3 8 30 15.28 114.3 –  265 40 210 100 150 8 8 12 162 3 8 30 15.07 125 –  133 315…