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DIN 2634 PN25 Welding Neck Flange

DIN 2634 PN25 Welding Neck Flange Dimensions, Technical Drawings, and Approx. Flange Weight

DIN 2634 PN25 Welding Neck Flange

DOWNLOAD DIN 2634 PN25 WELDING NECK FLANGE DIMENSIONS, TECHNICAL DRAWINGS, AND APPROX. FLANGE WEIGHT PDF

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DIN 2634 PN25 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 16 60 35 25 1.8 4 6 40 2 4 14 0.67
17.2 –  90 16 60 35 28 1.8 4 6 40 2 4 14 0.66
15 –  20 95 16 65 38 30 2 4 6 45 2 4 14 0.75
21.3 –  95 16 65 38 32 2 4 6 45 2 4 14 0.75
20 –  25 105 18 75 40 38 2.3 4 6 58 2 4 14 1.07
26.9 –  105 18 75 40 40 2.3 4 6 58 2 4 14 1.07
25 –  30 115 18 85 40 42 2.6 4 6 68 2 4 14 1.29
33.7 –  115 18 85 40 46 2.6 4 6 68 2 4 14 1.28
32 –  38 140 18 100 42 52 2.6 6 6 78 2 4 18 1.88
42.4 –  140 18 100 42 56 2.6 6 6 78 2 4 18 1.86
40 –  44.5 150 18 110 45 60 2.6 6 7 88 3 4 18 2.1
48.3 –  150 18 110 45 64 2.6 6 7 88 3 4 18 2.08
50 –  57 165 20 125 48 72 2.9 6 8 102 3 4 18 2.81
60.3 –  165 20 125 48 75 2.9 6 8 102 3 4 18 2.78
65 76.1 –  185 22 145 52 90 2.9 6 10 122 3 8 18 3.61
80 88.9 –  200 24 160 58 105 3.2 8 12 138 3 8 18 4.62
100 –  106 235 24 190 65 128 3.6 8 12 162 3 8 22 6.42
114.3 –  235 24 190 65 134 3.6 8 12 162 3 8 22 6.27
125 –  133 270 26 220 68 155 4 8 12 188 3 8 26 8.83
139.7 –  270 26 220 68 162 4 8 12 188 3 8 26 8.61
150 –  159 300 28 250 75 182 4.5 10 12 218 3 8 26 11.67
166.3 –  300 28 250 75 192 4.5 10 12 218 3 8 26 11.29
175 193.7 –  330 28 280 75 218 5.6 10 15 248 3 12 26 13.11
200 219.1 –  360 30 310 80 244 6.3 10 16 278 3 12 26 16.61
250 –  267 425 32 370 88 292 7.1 12 18 335 3 12 30 23.99
273 –  425 32 370 88 298 7.1 12 18 335 3 12 30 23.48
300 323.9 –  485 34 430 92 352 8 12 18 395 4 16 30 30.74
350 355.6 –  555 38 490 100 398 8 12 20 450 4 16 33 47.2
–  368 555 38 490 100 398 8 12 20 450 4 16 33 44.22
400 406.4 –  620 40 550 110 452 8.8 12 20 505 4 16 36 61.69
–  419 620 40 550 110 452 8.8 12 20 505 4 16 36 57.88
500 508 –  730 44 660 125 558 10 12 20 615 4 20 36 89.57
600 610 –  845 46 770 125 660 11 12 20 720 5 20 39 114.96
700 711 –  960 46 875 125 760 12.5 12 20 820 5 24 42 139.5
800 813 –  1085 50 990 135 865 14.2 12 22 930 5 24 48 188.71
900 914 –  1185 54 1090 145 968 16 12 24 1030 5 28 48 231.48
1000 1016 –  1320 58 1210 155 1070 17.5 16 24 1140 5 28 56 303.52

DIN 2634 PN25 Welding Neck 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.

DIN 2634 PN25 Welding Neck Flange Supply and Export Network
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