DIN2634 PN25 Welding Neck Flange 德标带颈对焊法兰标准尺寸表
| 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 |
