DIN weld neck flanges, PN 40
Every size in the table, in mm, with a 3D model drawn from the same figures. See weld neck flanges for materials, standards and the marking.
3D model
DN 150 PN 40 weld neck
Key dimensions in mm, DIN 2635
- D
- Flange diameter
- 300
- b1
- Flange thickness
- 28
- d1
- Weld end diameter, series 1
- 168.3
- d1
- Weld end diameter, series 2
- 159
- d3
- Hub diameter, series 1
- 192
- d3
- Hub diameter, series 2
- 182
- s
- Wall thickness
- 4.5
- r1
- Radius
- 10
- h1
- Length through hub
- 75
- h3
- Length
- 12
- d4
- Raised face diameter
- 218
- f
- Raised face height
- 3
- k
- Bolt circle (PCD)
- 250
- d2
- Bolt hole diameter
- 26
- Thrd
- Bolt thread
- M 24
- n
- Number of holes
- 8
- kg
- Weight, approx.
- 11.8
Dimensions
Swipe the table sideways for every column. Choose a size to show it in the viewer.
| DNSize | DFlange diameter | b1Flange thickness | d1Weld end diameter (1) | d1Weld end diameter (2) | d3Hub diameter (1) | d3Hub diameter (2) | sWall thickness | r1Radius | h1Length through hub | h3Length | d4Raised face diameter | fRaised face height | kBolt circle (PCD) | d2Bolt hole diameter | ThrdBolt thread | nNumber of holes | kgWeight, approx. | Enquiry list |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 90 | 16 | 17.2 | 14 | 28 | 25 | 1.8 | 4 | 35 | 6 | 40 | 2 | 60 | 14 | M 12 | 4 | 0.7 | ||
| 95 | 16 | 21.3 | 20 | 32 | 30 | 2 | 4 | 38 | 6 | 45 | 2 | 65 | 14 | M 12 | 4 | 0.7 | ||
| 105 | 18 | 26.9 | 25 | 40 | 38 | 2.3 | 4 | 40 | 6 | 58 | 2 | 75 | 14 | M 12 | 4 | 1.1 | ||
| 115 | 18 | 33.7 | 30 | 46 | 42 | 2.6 | 4 | 40 | 6 | 68 | 2 | 85 | 14 | M 12 | 4 | 1.3 | ||
| 140 | 18 | 42.4 | 38 | 56 | 52 | 2.6 | 6 | 42 | 6 | 78 | 2 | 100 | 18 | M 16 | 4 | 1.9 | ||
| 150 | 18 | 48.3 | 44.5 | 64 | 60 | 2.6 | 6 | 45 | 7 | 88 | 3 | 110 | 18 | M 16 | 4 | 2.3 | ||
| 165 | 20 | 60.3 | 57 | 75 | 72 | 2.9 | 6 | 48 | 8 | 102 | 3 | 125 | 18 | M 16 | 4 | 2.8 | ||
| 185 | 22 | 76.1 | not listed | not listed | 90 | 2.9 | 6 | 52 | 10 | 122 | 3 | 145 | 18 | M 16 | 8 | 3.7 | ||
| 200 | 24 | 88.9 | not listed | not listed | 105 | 3.2 | 8 | 58 | 12 | 138 | 3 | 160 | 18 | M 16 | 8 | 4.8 | ||
| 235 | 24 | 114.3 | 108 | 134 | 128 | 3.6 | 8 | 65 | 12 | 162 | 3 | 190 | 22 | M 20 | 8 | 6.5 | ||
| 270 | 26 | 139.7 | 133 | 162 | 155 | 4 | 8 | 68 | 12 | 188 | 3 | 220 | 26 | M 24 | 8 | 9.1 | ||
| 300 | 28 | 168.3 | 159 | 192 | 182 | 4.5 | 10 | 75 | 12 | 218 | 3 | 250 | 26 | M 24 | 8 | 11.8 | In the viewer | |
| 375 | 34 | 219.1 | not listed | not listed | 244 | 6.3 | 10 | 88 | 16 | 285 | 3 | 320 | 30 | M 27 | 12 | 21.5 | ||
| 450 | 38 | 273 | 267 | 306 | 298 | 7.1 | 12 | 105 | 18 | 345 | 3 | 385 | 33 | M 30 | 12 | 34.9 | ||
| 515 | 42 | 323.9 | not listed | not listed | 362 | 8 | 12 | 115 | 18 | 410 | 4 | 450 | 33 | M 30 | 16 | 49.7 | ||
| 580 | 46 | 355.6 | 368 | not listed | 408 | 8.8 | 12 | 125 | 20 | 465 | 4 | 510 | 36 | M 33 | 16 | 68.1 | ||
| 660 | 50 | 406.4 | 419 | not listed | 462 | 11 | 12 | 135 | 20 | 535 | 4 | 585 | 39 | M 36 | 16 | 96.5 | ||
| 755 | 52 | 508 | not listed | not listed | 562 | 14.2 | 12 | 140 | 20 | 615 | 4 | 670 | 42 | M 39 | 20 | 117 |
Dimensions in mm, for reference. Tolerances and full requirements as per the applicable standard. Confirm against your specification before ordering.
Source: Shiv Shakti Machine Tools Flange Catalogue, edition 2026 (draft), page 13. “–” means the catalogue lists no value.
[CONFIRM: table checked and signed off by the owners (unverified)][CONFIRM: whether the flange thickness includes the raised face]