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DIN FLANGE DIN 2634
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(Dimensions in mm)
| Nominal Pressure 25 | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Pipe | Flange | Neck | Raised Face | Drilling | Approx. Weight (7.85 kg/dm3) kg |
|||||||||||
| Nominal Size |
d1 | D | b | k | h1 | d3 | s | r | h2 | d4 | f | Number of Holes |
Bolt Diameter |
d2 | ||
| (175) | (191) 193.7*) |
330 | 28 | 280 | 75 | 215 218 |
5.6 | 10 | 15 | 248 | 3 | 12 | M24 | (7/8") | 27 | 13.4 |
| 200 | 216 219.1*) |
360 | 30 | 310 | 80 | 240 244 |
6.3 | 10 | 16 | 278 | 3 | 12 | M24 | (7/8") | 27 | 17.0 |
| 250 | 267 273*) |
425 | 32 | 370 | 88 | 292 298 |
7.1 | 12 | 18 | 335 | 3 | 12 | M27 | (1") | 30 | 24.4 |
| 300 | 318 323.9*) |
485 | 34 | 430 | 92 | 345 352 |
8 | 12 | 18 | 395 | 4 | 16 | M27 | (1") | 30 | 31.2 |
| 350 | 368 355.6*) |
555 | 38 | 490 | 100 | 398 | 8 | 12 | 20 | 450 | 4 | 16 | M30 | (1 1/8") | 33 | 45.0 |
| 400 | 419 406.4*) |
620 | 40 | 550 | 110 | 452 | 8.8 | 12 | 20 | 505 | 4 | 16 | M33 | (1 1/4") | 36 | 58.7 |
| 500 | 521 508*) |
730 | 44 | 660 | 125 | 558 | 10 | 12 | 20 | 615 | 4 | 20 | M33 | (1 1/4") | 36 | 86.1 |
| 600 | 622 609.6*) |
845 | 46 | 770 | 125 | 660 | 11 | 12 | 20 | 720 | 5 | 20 | M36 | (1 3/8") | 39 | 101 |
| 700 | 720 711.2*) |
960 | 46 | 875 | 125 | 760 | 12.5 | 12 | 20 | 820 | 5 | 24 | M39 | (1 1/2") | 42 | 134 |
| 800 | 820 812.8*) |
1085 | 50 | 990 | 135 | 865 | 14.2 | 12 | 22 | 930 | 5 | 24 | M45 | (1 3/4") | 48 | 183 |
| 900 | 920 914.4*) |
1185 | 54 | 1090 | 145 | 968 | 16 | 12 | 24 | 1030 | 5 | 28 | M45 | (1 3/4") | 48 | 232 |
| 1000 | 1020 1016*) |
1320 | 58 | 1210 | 155 | 1070 | 17.5 | 16 | 24 | 1140 | 5 | 28 | M52 | (2") | 56 | 302 |
Refet to DIN 2635 for nominal size 10-150.
Size in parentheses should preferably be avoided.
*) Outer dimameter of pipe corresponds to ISO recommendation R64.
Material (to be specified by orderer):
St. 37-2 by DIN 17100 for temperature 300 °C
Weldable heat-treated steel for temperature > 300 °C.
Process: Machining the outside diameter, bore, gasket surface, bevel end for welding, and bolt holes.
ANSI Dimension
Flanges inventory: