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DIN FLANGE DIN 2635 Welding Neck Flange
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(Dimensions in mm)
| Nominal Pressure 40 | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 | ||
| 10 | 14 17.2*) |
90 | 16 | 60 | 35 | 25 28 |
1.8 | 4 | 6 | 40 | 2 | 4 | M12 | (1/2") | 14 | 0.661 |
| 15 | 20 21.3*) |
95 | 16 | 65 | 38 | 30 32 |
2 | 4 | 6 | 45 | 2 | 4 | M12 | (1/2") | 14 | 0.746 |
| 20 | 25 26.9*) |
105 | 18 | 75 | 40 | 38 40 |
2.3 | 4 | 6 | 58 | 2 | 4 | M12 | (1/2") | 14 | 1.06 |
| 25 | 30 33.7*) |
115 | 18 | 85 | 40 | 42 46 |
2.6 | 4 | 6 | 68 | 2 | 4 | M12 | (1/2") | 14 | 1.29 |
| 32 | 38 42.4*) |
140 | 18 | 100 | 42 | 52 56 |
2.6 | 6 | 6 | 78 | 2 | 4 | M16 | (5/8") | 18 | 1.88 |
| 40 | 44.5 48.3*) |
150 | 18 | 110 | 45 | 60 64 |
2.6 | 6 | 7 | 88 | 3 | 4 | M16 | (5/8") | 18 | 2.33 |
| 50 | 57 60.3*) |
165 | 20 | 125 | 48 | 72 75 |
2.9 | 6 | 8 | 102 | 3 | 4 | M16 | (5/8") | 18 | 2.82 |
| 65 | 76.1*) | 185 | 22 | 145 | 52 | 90 | 2.9 | 6 | 10 | 122 | 3 | 8 | M16 | (5/8") | 18 | 3.74 |
| 80 | 88.9*) | 200 | 24 | 160 | 58 | 105 | 3.2 | 8 | 12 | 138 | 3 | 8 | M16 | (5/8") | 18 | 4.75 |
| 100 | 108 114.3*) |
235 | 24 | 190 | 65 | 128 134 |
3.6 | 8 | 12 | 162 | 3 | 8 | M20 | (3/4") | 23 | 6.52 |
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.
(Dimensions in mm)
| Nominal Pressure 40 (Continue) | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 | ||
| 125 | 133 139.7*) |
270 | 26 | 220 | 68 | 155 162 |
4 | 8 | 12 | 188 | 3 | 8 | M24 | (7/8") | 27 | 9.07 |
| 150 | 159 168.3*) |
300 | 28 | 250 | 75 | 182 192 |
4.5 | 10 | 12 | 218 | 3 | 8 | M24 | (7/8") | 27 | 11.8 |
| (175) | (191) 193.7*) |
350 | 32 | 295 | 82 | 215 218 |
5.6 | 10 | 15 | 260 | 3 | 12 | M27 | (1") | 30 | 18.2 |
| 200 | 216 219.1*) |
375 | 34 | 320 | 88 | 240 244 |
6.3 | 10 | 16 | 285 | 3 | 12 | M27 | (1") | 30 | 21.5 |
| 250 | 267 273*) |
450 | 38 | 385 | 105 | 298 306 |
7.1 | 12 | 18 | 345 | 3 | 12 | M30 | (1 1/2") | 33 | 34.9 |
| 300 | 318 323.9*) |
515 | 42 | 450 | 115 | 352 362 |
8 | 12 | 18 | 410 | 4 | 16 | M30 | (1 1/8") | 33 | 49.7 |
| 350 | 368 355.6*) |
580 | 46 | 510 | 125 | 408 | 8.8 | 12 | 20 | 460 | 4 | 16 | M33 | (1 1/4") | 36 | 68.1 |
| 400 | 419 406.4*) |
660 | 50 | 585 | 135 | 462 | 11 | 12 | 20 | 535 | 4 | 16 | M36 | (1 3/8") | 39 | 96.5 |
| 500 | 521 508*) |
755 | 52 | 670 | 140 | 562 | 14.2 | 12 | 20 | 615 | 4 | 20 | M39 | (1 1/2") | 42 | 117 |
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: