DIN2628 PN250 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 | 125 | 24 | 85 | 58 | 44 | 2.6 | 4 | 6 | 40 | 2 | 4 | 18 | 2.1 |
| 17.2 | – | 125 | 24 | 85 | 58 | 44 | 2.6 | 4 | 6 | 40 | 2 | 4 | 18 | 2.09 | |
| 15 | – | 20 | 130 | 26 | 90 | 60 | 48 | 2.6 | 4 | 6 | 45 | 2 | 4 | 18 | 2.48 |
| 21.3 | – | 130 | 26 | 90 | 60 | 48 | 2.6 | 4 | 6 | 45 | 2 | 4 | 18 | 2.47 | |
| 25 | – | 30 | 150 | 28 | 105 | 65 | 60 | 3.6 | 4 | 8 | 68 | 2 | 4 | 22 | 3.56 |
| 33.7 | – | 150 | 28 | 105 | 65 | 60 | 3.6 | 4 | 8 | 68 | 2 | 4 | 22 | 3.53 | |
| 40 | – | 44.5 | 185 | 34 | 135 | 80 | 84 | 5 | 6 | 10 | 88 | 3 | 4 | 26 | 6.65 |
| 48.3 | – | 185 | 34 | 135 | 80 | 84 | 5 | 6 | 10 | 88 | 3 | 4 | 26 | 6.58 | |
| 50 | – | 57 | 200 | 38 | 150 | 85 | 95 | 6.3 | 6 | 10 | 102 | 3 | 8 | 26 | 8.17 |
| 60.3 | – | 200 | 38 | 150 | 85 | 95 | 6.3 | 6 | 10 | 102 | 3 | 8 | 26 | 8.09 | |
| 65 | 76.1 | – | 230 | 42 | 180 | 95 | 124 | 8 | 6 | 12 | 122 | 3 | 8 | 26 | 12.59 |
| 80 | 101.6 | – | 255 | 46 | 200 | 102 | 136 | 11 | 8 | 12 | 138 | 3 | 8 | 30 | 16.32 |
| 100 | 127 | – | 300 | 54 | 235 | 120 | 164 | 14.2 | 8 | 14 | 162 | 3 | 8 | 33 | 27.07 |
| 125 | 152.4 | – | 340 | 60 | 275 | 140 | 200 | 16 | 8 | 16 | 188 | 3 | 12 | 33 | 38.79 |
| 150 | 177.8 | – | 390 | 68 | 320 | 160 | 240 | 17.5 | 10 | 18 | 218 | 3 | 12 | 36 | 59.05 |
| 200 | 244.5 | – | 485 | 82 | 400 | 190 | 305 | 25 | 10 | 25 | 285 | 3 | 12 | 42 | 109.45 |
| 250 | 298.5 | – | 585 | 100 | 490 | 215 | 385 | 32 | 12 | 30 | 345 | 3 | 16 | 48 | 189.94 |
