Here you will find a clear table of dimensions for DIN standard flanges. The table contains detailed data for TW, PN 6, PN 10 and PN 16, which makes it easier to choose the right flange type in projects where pressure class and dimensions are crucial. Use the table to support your design, construction or ordering of flanged components.
Flange dimensions according to DIN standard
| DN | TW | PN 6 | PN 10 | PN 16 | DN | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| D | k | n | d2 | D | k | n | d2 | D | k | n | d2 | D | k | n | d2 | ||
| 15 | 80 | 55 | 4 | 11 | 95 | 65 | 4 | 14 | 95 | 65 | 4 | 14 | 15 | ||||
| 20 | 90 | 65 | 4 | 11 | 105 | 75 | 4 | 14 | 105 | 75 | 4 | 14 | 20 | ||||
| 25 | 100 | 75 | 4 | 11 | 115 | 85 | 4 | 14 | 115 | 85 | 4 | 14 | 25 | ||||
| 32 | 120 | 90 | 4 | 14 | 140 | 100 | 4 | 18 | 140 | 100 | 4 | 18 | 32 | ||||
| 40 | 130 | 100 | 4 | 14 | 150 | 110 | 4 | 18 | 150 | 110 | 4 | 18 | 40 | ||||
| 50 | 154 | 130 | 8 | 11 | 140 | 110 | 4 | 14 | 165 | 125 | 4 | 18 | 165 | 125 | 4 | 18 | 50 |
| 65 | 154 | 130 | 8 | 11 | 160 | 130 | 4 | 14 | 185 | 145 | 4 | 18 | 185 | 145 | 4 | 18 | 65 |
| 80 | 154 | 130 | 8 | 11 | 190 | 150 | 4 | 18 | 200 | 160 | 8 | 18 | 200 | 160 | 8 | 18 | 80 |
| 100 | 174 | 150 | 8 | 14 | 210 | 170 | 4 | 18 | 220 | 180 | 8 | 18 | 220 | 180 | 8 | 18 | 100 |
| 125 | 204 | 176 | 8 | 14 | 240 | 200 | 8 | 18 | 250 | 210 | 8 | 18 | 250 | 210 | 8 | 18 | 125 |
| 150 | 240 | 210 | 12 | 14 | 265 | 225 | 8 | 18 | 285 | 240 | 8 | 22 | 285 | 240 | 8 | 22 | 150 |
| 200 | 320 | 280 | 8 | 18 | 340 | 295 | 8 | 22 | 340 | 295 | 12 | 22 | 200 | ||||
| 250 | 375 | 335 | 12 | 18 | 395 | 350 | 12 | 22 | 405 | 355 | 12 | 26 | 250 | ||||
| 300 | 440 | 395 | 12 | 22 | 445 | 400 | 12 | 22 | 460 | 410 | 12 | 26 | 300 | ||||
Flange dimensions according to DIN standard
| DN | TW | PN 6 | PN 10 | PN 16 | DN | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| D | k | n | d2 | D | k | n | d2 | D | k | n | d2 | D | k | n | d2 | ||
| 20 | 105 | 75 | 4 | 14 | 105 | 75 | 4 | 14 | 98.4 | 69.8 | 4 | 15.9 | 117.5 | 82.5 | 4 | 19 | 3/4″ |
| 25 | 115 | 85 | 4 | 14 | 115 | 85 | 4 | 14 | 107.9 | 79.4 | 4 | 15.9 | 123.8 | 88.9 | 4 | 19 | 1″ |
| 32 | 140 | 100 | 4 | 18 | 140 | 100 | 4 | 18 | 117.5 | 88.9 | 4 | 15.9 | 133.3 | 98.4 | 4 | 19 | 1 1/4″ |
| 40 | 150 | 110 | 4 | 18 | 150 | 110 | 4 | 18 | 127 | 98.4 | 4 | 15.9 | 155.6 | 114.3 | 4 | 22.2 | 1 1/2″ |
| 50 | 165 | 125 | 4 | 18 | 165 | 125 | 4 | 18 | 152.4 | 120.6 | 4 | 19 | 165.1 | 127 | 8 | 19 | 2″ |
| 65 | 185 | 145 | 8 | 18 | 185 | 145 | 8 | 18 | 177.8 | 139.7 | 4 | 19 | 190.5 | 149.2 | 8 | 22.2 | 2 1/2″ |
| 80 | 200 | 160 | 8 | 18 | 200 | 160 | 8 | 18 | 190.5 | 152.4 | 4 | 19 | 209.5 | 168.3 | 8 | 22.2 | 3″ |
| 100 | 235 | 190 | 8 | 22 | 235 | 190 | 8 | 22 | 228.6 | 190.5 | 8 | 19 | 254 | 200 | 8 | 22.2 | 4″ |
| 125 | 270 | 220 | 8 | 26 | 270 | 220 | 8 | 26 | 254 | 215.9 | 8 | 22.2 | 279,4 | 234.9 | 8 | 22.2 | 5″ |
| 150 | 300 | 250 | 8 | 26 | 300 | 250 | 8 | 26 | 279.4 | 241.3 | 8 | 22.2 | 317,5 | 269.9 | 12 | 22.2 | 6″ |
| 200 | 360 | 310 | 12 | 26 | 375 | 320 | 12 | 30 | 342.9 | 298.4 | 8 | 22.2 | 381 | 330.2 | 12 | 25.4 | 8″ |
| 250 | 425 | 370 | 12 | 30 | 450 | 385 | 12 | 33 | 406.4 | 361.9 | 12 | 25.4 | 444.5 | 387.3 | 16 | 28.6 | 10″ |
| 300 | 485 | 430 | 16 | 30 | 515 | 450 | 16 | 33 | 482.6 | 431.8 | 12 | 25.4 | 520.7 | 450.8 | 16 | 31.7 | 12″ |
| 300 | 440 | 395 | 12 | 22 | 445 | 400 | 12 | 22 | 460 | 410 | 12 | 26 | 300 | ||||
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