DIN2634 PN25 Welding Neck Flange Standards, Dimensions & Weight

Our Company Manufacturer of Plate Flange, provides a range of flanges including DIN WN forged Flange, DIN Blind flange, and DIN threaded Flanges made from materials such as forged steel, stainless steel and carbon steel. A flat/plate flange for welding is a type of flange that has a flat surface and is designed to be welded onto a pipe or other equipment. This type of flange is typically used in applications where the piping system requires regular maintenance or cleaning, as it allows for easy disassembly and reassembly of the system.

  • Our company is a manufacturer of DIN2634 PN25 Welding Neck Flange Flange, which is precisely engineered in accordance with international quality standards. For detailed dimensions of  PN25 Welding Neck Flange, kindly check the table below. Also, you can download the datasheet.
DIN2634 PN25 Welding Neck Flange Drawing
Product Welding Neck Flange
Pressure Rating PN6,PN10,PN16,PN25,PN40,PN64,PN100,PN160
Standard DIN2527, DIN2566, DIN2573, DIN2576, DIN2641, DIN2642, DIN2655, DIN2656, DIN2627, DIN2628, DIN2629, DIN2631, DIN2632, DIN2633, DIN2634, DIN2635, DIN2636, DIN2637, DIN2638, DIN2673
Size  DN10 to DN1000
Surface Treatment Anti-rust Oil, Paint, Zinc, Hot Dipped Galvanized
Grades 10bar/PN10s
Test Certificates As per EN 10204 3.1
Inspection Videos, Pictures, Inspection Report with Goods
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