Weld neck flanges
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| Name | Center distance of mounting holes, K (mm) | Collar diameter at base, N (mm) | Collar height, H2 (mm) | Diameter of the collar for welding, A (mm) | Flange thickness, C2 (mm) | Flange type | Hole diameter, L (mm) | Material | Nominal diameter, DN | Nominal pressure, Class | Nominal size, NPS (inch) | Number of holes, n | Radius of curvature, R1 (mm) | Standard | Steel grade | Thread | Type of connecting surface | Weight 1 pc (kg) | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Weld neck flange DN100 PN400 Type 11/B2 EN 1092-1 | 295 | 216 | 175 | 139.7 | 80 | Type 11 - weld neck | 39 | Black | 100 | 0 | — | 8 | 8 | EN 1092-1 | P245GH / 1.0352 | M36 | Type B - with connecting projection | 67.3 |
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| Weld neck flange DN100 PN400 Type 11/B2 EN 1092-1 | 295 | 216 | 175 | 139.7 | 80 | Type 11 - weld neck | 39 | Black | 100 | 0 | — | 8 | 8 | EN 1092-1 | P235GH / 1.0345 | M36 | Type B - with connecting projection | 67.3 |
|
| Weld neck flange DN100 PN400 Type 11/B2 EN 1092-1 | 295 | 216 | 175 | 139.7 | 80 | Type 11 - weld neck | 39 | Black | 100 | 0 | — | 8 | 8 | EN 1092-1 | S355J2 / 1.0577 | M36 | Type B - with connecting projection | 67.3 |
|
| Weld neck flange DN100 PN400 Type 11/B2 EN 1092-1 | 295 | 216 | 175 | 139.7 | 80 | Type 11 - weld neck | 39 | Black | 100 | 0 | — | 8 | 8 | EN 1092-1 | S235JR / 1.0038 | M36 | Type B - with connecting projection | 67.3 |
|
| Weld neck flange DN300 CL900 Type 11/CS EN 1759-1 | 533.4 | 419 | 0 | 323.9 | 79.4 | Type 11 - weld neck | 38.1 | Black | 300 | 900 | — | 20 | 9.5 | EN 1759-1 | P355NH / 1.0565 | M36 | Type CS - with small tongue | 164.95 |
|
| Weld neck flange DN300 CL900 Type 11/CS EN 1759-1 | 533.4 | 419 | 0 | 323.9 | 79.4 | Type 11 - weld neck | 38.1 | Black | 300 | 900 | — | 20 | 9.5 | EN 1759-1 | 12Ni14 / 1.5637 | M36 | Type CS - with small tongue | 164.95 |
|
| Weld neck flange DN300 CL900 Type 11/CS EN 1759-1 | 533.4 | 419 | 0 | 323.9 | 79.4 | Type 11 - weld neck | 38.1 | Black | 300 | 900 | — | 20 | 9.5 | EN 1759-1 | 11CrMo9-10 / 1.7383 | M36 | Type CS - with small tongue | 164.95 |
|
| Weld neck flange DN300 CL900 Type 11/CS EN 1759-1 | 533.4 | 419 | 0 | 323.9 | 79.4 | Type 11 - weld neck | 38.1 | Black | 300 | 900 | — | 20 | 9.5 | EN 1759-1 | 13CrMo4-5 / 1.7335 | M36 | Type CS - with small tongue | 164.95 |
|
| Weld neck flange DN300 CL900 Type 11/CS EN 1759-1 | 533.4 | 419 | 0 | 323.9 | 79.4 | Type 11 - weld neck | 38.1 | Black | 300 | 900 | — | 20 | 9.5 | EN 1759-1 | 16Mo3 / 1.5415 | M36 | Type CS - with small tongue | 164.95 |
|
| Weld neck flange DN300 CL900 Type 11/CS EN 1759-1 | 533.4 | 419 | 0 | 323.9 | 79.4 | Type 11 - weld neck | 38.1 | Black | 300 | 900 | — | 20 | 9.5 | EN 1759-1 | P245GH / 1.0352 | M36 | Type CS - with small tongue | 164.95 |
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