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DIN FLANGE DIN 2637
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(Dimensions in mm)
| Nominal Pressure 100 | |||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Pipe | Flange | Neck | Raised Face | Drilling | Approx. Weight (7.85 kg/dm3) kg |
||||||||||||
| Nominal Size |
d1 | D | b | k | h1 | d3 | s | r1 | h2 | d4 | f | r2 | Number of Holes |
Bolt Diameter |
d2 | ||
| 10 | 14 17.2*) |
100 | 20 | 70 | 45 | 28 32 |
1.8 | 4 | 6 | 40 | 2 | 1 | 4 | M12 | (1/2") | 14 | 1.09 |
| 15 | 20 21.3*) |
105 | 20 | 75 | 45 | 32 34 |
2 | 4 | 6 | 45 | 2 | 1 | 4 | M12 | (1/2") | 14 | 1.19 |
| 25 | 30 33.7*) |
140 | 24 | 100 | 58 | 48 52 |
2.6 | 4 | 8 | 65 | 2 | 1 | 4 | M16 | (5/8") | 18 | 2.66 |
| 32 | 38 42.4*) |
155 | 24 | 110 | 60 | 58 62 |
2.6 | 6 | 8 | 75 | 2 | 1 | 4 | M20 | (3/4") | 23 | 3.20 |
| 40 | 44.5 48.3*) |
170 | 26 | 125 | 62 | 65 70 |
2.9 | 6 | 10 | 85 | 3 | 1.5 | 4 | M20 | (3/4") | 23 | 4.09 |
| 50 | 57 60.3*) |
195 | 28 | 145 | 68 | 86 90 |
3.2 | 6 | 10 | 95 | 3 | 1.5 | 4 | M24 | (7/8") | 27 | 5.98 |
| 65 | 76.1*) | 220 | 30 | 170 | 76 | 108 | 3.6 | 6 | 12 | 120 | 3 | 1.5 | 8 | M24 | (7/8") | 27 | 7.91 |
| 80 | 88.9*) | 230 | 32 | 180 | 78 | 120 | 4 | 8 | 12 | 130 | 3 | 1.5 | 8 | M24 | (7/8") | 27 | 8.95 |
| 100 | 108 114.3*) |
265 | 36 | 210 | 90 | 145 150 |
5 | 8 | 12 | 160 | 3 | 1.5 | 8 | M27 | (1") | 30 | 13.7 |
| 125 | 133 139.7*) |
315 | 40 | 250 | 105 | 180 | 6.3 | 8 | 12 | 185 | 3 | 1.5 | 8 | M30 | (1 1/8") | 33 | 22.7 |
| 150 | 159 168.3*) |
355 | 44 | 290 | 115 | 210 | 7.1 | 10 | 12 | 215 | 3 | 1.5 | 12 | M30 | (1 1/8") | 33 | 30.2 |
| (175) | (191) 193.7*) |
385 | 48 | 320 | 127 | 245 | 8.8 | 10 | 16 | 245 | 3 | 1.5 | 12 | M30 | (1 1/8") | 33 | 38.9 |
| 200 | 216 219.1*) |
430 | 52 | 360 | 130 | 278 | 10 | 10 | 16 | 270 | 3 | 1.5 | 12 | M33 | (1 1/4") | 36 | 52.8 |
| 250 | 267 273*) |
505 | 60 | 430 | 157 | 340 | 12.5 | 12 | 18 | 325 | 3 | 1.5 | 12 | M36 | (1 3/8") | 39 | 81.4 |
| 300 | 318 323.9*) |
585 | 68 | 500 | 170 | 400 | 14.2 | 12 | 18 | 375 | 4 | 2 | 16 | M39 | (1 1/2") | 42 | 122 |
| 350 | 368 355.6*) |
655 | 74 | 560 | 189 | 460 | 16 | 12 | 20 | 435 | 4 | 2 | 16 | M45 | (1 3/4") | 48 | 165 |
Size in parentheses should preferably be avoided.
*) Outer dimameter of pipe corresponds to ISO recommendation R64.
Material (to be specified by orderer):
RSt. 42-2 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, spot face for nut, and bolt holes.
Marking: Every flange should be marked with the following
at the outside diameter :
Company mark, nominal size, nominal pressure, and material.
ANSI Dimension
Flanges inventory: