| DIN 2637 PN 100 (in mm) | ||||||||||||||
| Nominal Pipe Size | Diameter at weld Bevel | Flange Dia | Thk of Flange | Dia of Bolt Circle | Length Through Hub | Dia of Hub | Wall Thk | Radius of Hub | Straight Portion | Dia of R/F | Thk of R/F | No. of | Dia of Bolt Holes | |
| DN | d1 | D | B | K | H1 | D3 | S | R | H2 | D4 | F | holes | D2 | KG |
| 10 | 17.2 | 100 | 20 | 70 | 45 | 32 | 1.8 | 4 | 6 | 40 | 2 | 4 | 14 | 1.08 |
| 15 | 21.3 | 105 | 20 | 75 | 45 | 34 | 2.0 | 4 | 6 | 45 | 2 | 4 | 14 | 1.19 |
| 25 | 33.7 | 140 | 24 | 100 | 58 | 52 | 2.6 | 4 | 8 | 68 | 2 | 4 | 18 | 2.60 |
| 40 | 48.3 | 170 | 26 | 125 | 62 | 70 | 2.9 | 6 | 10 | 88 | 3 | 4 | 22 | 3.99 |
| 50 | 60.3 | 195 | 28 | 145 | 68 | 90 | 3.2 | 6 | 10 | 102 | 3 | 4 | 26 | 5.70 |
| 65 | 76.1 | 220 | 30 | 170 | 76 | 108 | 3.6 | 6 | 12 | 122 | 3 | 8 | 26 | 7.43 |
| 80 | 88.9 | 230 | 32 | 180 | 78 | 120 | 4.0 | 8 | 12 | 138 | 3 | 8 | 26 | 8.58 |
| 100 | 114.3 | 265 | 36 | 210 | 90 | 150 | 5.0 | 8 | 12 | 162 | 3 | 8 | 30 | 12.79 |
| 125 | 139.7 | 315 | 40 | 250 | 105 | 180 | 6.3 | 8 | 12 | 188 | 3 | 8 | 33 | 20.68 |
| 150 | 168.3 | 355 | 44 | 290 | 115 | 210 | 7.1 | 10 | 12 | 218 | 3 | 12 | 33 | 27.76 |
| 175 | 193.7 | 385 | 48 | 320 | 127 | 245 | 8.8 | 10 | 16 | 260 | 3 | 12 | 33 | 36.94 |
| 200 | 219.1 | 430 | 52 | 360 | 130 | 278 | 10.0 | 10 | 16 | 285 | 3 | 12 | 36 | 49.35 |
| 250 | 273.0 | 505 | 60 | 430 | 157 | 340 | 12.5 | 12 | 18 | 345 | 3 | 12 | 39 | 80.09 |
| 300 | 323.9 | 585 | 68 | 500 | 170 | 400 | 14.2 | 12 | 18 | 410 | 4 | 16 | 42 | 116.25 |
| 350 | 355.6 | 655 | 74 | 560 | 189 | 460 | 16.0 | 12 | 20 | 465 | 4 | 16 | 48 | 166.09 |