DIN2635 PN40 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 DIN2635 PN40 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.
DIN2635 PN40 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 DN500
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 48 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 3.81
80 88.9 – 200 24 160 58 105 3.2 8 12 138 3 8 18 4.62
100 – 108 235 24 190 65 128 3.8 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
168.3 – 300 28 250 75 192 4.5 10 12 218 3 8 26 11.29
175 193.7 – 350 32 295 82 218 5.6 10 15 260 3 12 30 17.01
200 219.1 – 375 34 320 88 244 6.3 10 16 285 3 12 30 20.49
250 – 267 450 38 385 105 298 7.1 12 18 345 3 12 33 33.75
273 – 450 38 385 105 306 7.1 12 18 345 3 12 33 33.34
300 323.9 – 515 42 450 115 362 8 12 18 410 4 16 33 46.55
350 355.6 – 580 46 510 125 408 8.8 12 20 465 4 16 36 67.73
– 368 580 46 510 125 408 8.8 12 20 465 4 16 36 63.96
400 406.4 – 660 50 585 135 462 11 12 20 535 4 16 39 96.73
– 419 660 50 585 135 462 11 12 20 535 4 16 39 91.99
500 508 – 755 52 670 140 562 14.2 12 20 615 4 20 42 120.96