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DIN 2633 PN16 Welding Neck Flange Dimensions, Technical Drawings, and Approx. Flange Weight DOWNLOAD DIN 2633 PN16 WELDING NECK FLANGE DIMENSIONS, TECHNICAL DRAWINGS, AND APPROX. FLANGE WEIGHT PDF Get Complete details of DIN Standard Flanges DIN 2633 PN16 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 90 14 60 35 25 1.8 4 6 40 2 4 14 0.58 17.2 –  90 14 60 35 28 1.8 4 6 40 2 4 14 0.58 15 –  20 95 14 65 35 30 2 4 6 45 2 4 14 0.65 21.3 –  95 14 65 35 32 2 4 6 45 2 4 14 0.65 20 –  25 105 16 75 38 38 2.3 4 6 58 2 4 14 0.95 26.9 –  105 16 75 38 40 2.3 4 6 58 2 4 14 0.95 25 –  30 115 16 85 38 42 2.6 4 6 68 2 4 14 1.15 33.7 –  115 16 85 38 45 2.6 4 6 68 2 4 14 1.14 32 –  38 140 16 100 40 52 2.6 6 6 78 2 4 18 1.67 42.4 –  140 16 100 40 56 2.6 6 6 78 2 4 18 1.65 40 –  44.5 150 16 110 42 60 2.6 6 7 88 3 4 18 1.85 48.3 –  150 16 110 42 64 2.6 6 7 88 3 4 18 1.83 50 –  57 165 18 125 45 72 2.9 6 8 102 3 4 18 2.51 60.3 –  165 18 125 45 75 2.9 6 8 102 3 4 18 2.48 65 76.1 –  185 18…