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DIN 2636 PN64 Welding Neck Flange Dimensions, Technical Drawings, and Approx. Flange Weight DOWNLOAD DIN 2636 PN64 WELDING NECK FLANGE DIMENSIONS, TECHNICAL DRAWINGS, AND APPROX. FLANGE WEIGHT PDF Get Complete details of DIN Standard Flanges DIN 2636 PN64 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 1.8 4 6 40 2 4 14 1.07 17.2 –  100 20 70 45 32 1.8 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 2.6 4 8 68 2 4 18 2.61 33.7 –  140 24 100 58 52 2.6 4 8 68 2 4 18 2.6 40 –  44.5 170 26 125 62 65 2.9 6 10 88 3 4 22 4 48.3 –  170 26 125 62 70 2.9 6 10 88 3 4 22 3.99 50 –  57 180 26 135 62 78 2.9 6 10 102 3 4 22 4.45 60.3 –  180 26 135 62 82 2.9 6 10 102 3 4 22 4.42 65 76.1 –  205 26 160 66 98 3.2 6 12 122 3 8 22 5.49 80 88.9 –  215 28 170 72 112 3.6 8 12 138 3 8 22 6.5 100 –  108 250 30 200 76 132 4 8 12 162 3 8 26 9.25 114.3 –  250 30 200 76 138 4 8 12 162 3 8 26 9.06 125 –  133 295…