DIN2631 PN6 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 DIN2631 PN6 Welding Neck Flange Flange, which is precisely engineered in accordance with international quality standards. For detailed dimensions of  PN6 Welding Neck Flange, kindly check the table below. Also, you can download the datasheet.
DIN2631 PN6 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 DN3600
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 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 75 12 50 28 22 1.8 4 6 35 2 4 11 0.34
17.2 – 75 12 50 28 26 1.8 4 6 35 2 4 11 0.34
15 – 20 80 12 55 30 28 2 4 6 40 2 4 11 0.39
21.3 – 80 12 55 30 30 2 4 6 40 2 4 11 0.4
20 – 25 90 14 65 32 35 2.3 4 6 50 2 4 11 0.6
26.9 – 90 14 65 32 38 2.3 4 6 50 2 4 11 0.6
25 – 30 100 14 75 35 40 2.6 4 6 60 2 4 11 0.76
33.7 – 100 14 75 35 42 2.6 4 6 60 2 4 11 0.75
32 – 38 120 14 90 35 50 2.6 6 6 70 2 4 14 1.07
42.4 – 120 14 90 35 55 2.6 6 6 70 2 4 14 1.06
40 – 44.5 130 14 100 38 58 2.6 6 7 80 3 4 14 1.21
46.3 – 130 14 100 38 62 2.6 6 7 80 3 4 14 1.2
50 – 57 140 14 110 38 70 2.9 6 8 90 3 4 14 1.37
60.3 – 140 14 110 38 74 2.9 6 8 90 3 4 14 1.36
65 76.1 – 160 14 130 38 88 2.9 6 9 110 3 4 14 1.69
80 88.9 – 190 16 150 42 102 3.2 8 10 128 3 4 18 2.72
100 – 108 210 16 170 45 122 3.6 8 10 148 3 4 18 3.29
114.3 – 210 16 170 45 130 3.6 8 10 148 3 4 18 3.22
125 – 133 240 18 200 48 148 4 8 10 178 3 8 18 4.58
139.7 – 240 18 200 48 155 4 8 10 178 3 8 18 4.42
150 – 159 265 18 225 48 172 4.5 10 12 202 3 8 18 5.26
158.3 – 265 18 225 48 184 4.5 10 12 202 3 8 18 5.04
200 219.1 – 320 20 280 55 236 5.9 10 15 258 3 8 18 7.95
250 – 267 375 22 335 60 282 6.3 12 15 312 3 12 18 11.16
273 – 375 22 335 60 290 6.3 12 15 312 3 12 18 10.87
300 323.9 – 440 22 395 62 342 7.1 12 15 365 4 12 22 14.26
350 355.6 – 490 22 445 62 385 7.1 12 15 415 4 12 22 18.54
– 368 490 22 445 62 385 7.1 12 15 415 4 12 22 16.78
400 406.6 – 540 22 495 65 438 7.1 12 15 465 4 16 22 21.25
– 419 540 22 495 65 438 7.1 12 15 465 4 16 22 19.1
500 508 – 645 24 600 68 538 7.1 12 15 570 4 20 22 28.67
600 610 – 755 24 705 70 640 7.1 12 16 670 5 20 26 34.8
700 711 – 860 24 810 70 740 7.1 12 16 775 5 24 26 40.94
800 813 – 975 24 920 70 842 7.1 12 16 880 5 24 30 49.19
900 914 – 1075 26 1020 70 942 7.1 12 16 980 5 24 30 58.1
1000 1016 – 1175 26 1120 70 1045 7.1 16 16 1080 5 28 30 63.48
1200 1220 – 1405 28 1340 90 1248 8 16 20 1295 5 32 33 100.17
1400 1420 – 1630 32 1560 90 1452 8 16 20 1510 5 36 36 142.78
1600 1620 – 1830 34 1760 90 1655 9 16 20 1710 5 40 36 174.36
1800 1820 – 2045 36 1970 100 1855 10 16 20 1920 5 44 39 226.98
2000 2020 – 2265 38 2180 110 2058 11 16 25 2125 5 48 42 292.12
2200 2220 – 2475 42 2390 115 2260 12 18 25 2335 6 52 42 366.33
2400 2420 – 2685 44 2600 125 2462 13 18 25 2545 6 56 42 448.52
2600 2620 – 2905 46 2810 130 2665 14 18 25 2750 6 60 48 540.16
2800 2820 – 3115 48 3020 135 2865 15 18 30 2960 6 64 48 630.03
3000 3020 – 3315 50 3220 140 3068 16 18 30 3160 6 68 48 716.33
3200 3220 – 3525 54 3430 150 3272 16 20 30 3370 6 72 48 854.42
3400 3420 – 3735 46 3640 160 3475 18 20 35 3580 6 76 48 887.81
3600 3620 – 3970 60 3860 165 3678 18 20 35 3790 6 80 56 1202.43