Pipe flange is a method of connecting pipes, valves, pumps and other equipment to form a piping system. It also provides easy access for cleaning, inspection or modification.
| Rated Diameter | Flange | Screws | Weight of a flange (7,85 Kg/dm3) | ||||
| D | b | k | Number | Thread | d2 | Shape B | |
| Kg | |||||||
| 15 | 95 | 14 | 65 | 4 | M 12 | 14 | 0,72 |
| 20 | 105 | 16 | 75 | 1,01 | |||
| 25 | 115 | 16 | 85 | 1,23 | |||
| 32 | 140 | 16 | 100 | M 16 | 18 | 1,8 | |
| 40 | 150 | 16 | 110 | 2,09 | |||
| 50 | 165 | 18 | 125 | 2,88 | |||
| 65 | 185 | 18 | 145 | 3,66 | |||
| 80 | 200 | 20 | 160 | 4,77 | |||
| 100 | 220 | 20 | 180 | 8 | 5,65 | ||
| 125 | 250 | 22 | 210 | 8,42 | |||
| 150 | 285 | 22 | 240 | M 20 | 22 | 10,4 | |
| 200 | 340 | 24 | 295 | 16,5 | |||
| 250 | 395 | 26 | 350 | 12 | 24 | ||
| 300 | 445 | 26 | 400 | 30,9 | |||
| 350 | 505 | 26 | 460 | 16 | 40,6 | ||
| 400 | 565 | 26 | 515 | M 24 | 26 | 49,4 | |
| 500 | 670 | 28 | 620 | 20 | 75 | ||