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 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 DN20 PN25 Type 11/G EN 1092-1 | 75 | 40 | 40 | 26.9 | 18 | Type 11 - weld neck | 14 | Black | 20 | — | 4 | 4 | EN 1092-1 | P235GH / 1.0345 | M12 | Type G - gasketed | 1.09 |
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| Weld neck flange DN20 PN25 Type 11/G EN 1092-1 | 75 | 40 | 40 | 26.9 | 18 | Type 11 - weld neck | 14 | Black | 20 | — | 4 | 4 | EN 1092-1 | 16Mo3 / 1.5415 | M12 | Type G - gasketed | 1.09 |
|
| Weld neck flange DN20 PN25 Type 11/G EN 1092-1 | 75 | 40 | 40 | 26.9 | 18 | Type 11 - weld neck | 14 | Black | 20 | — | 4 | 4 | EN 1092-1 | 13CrMo4-5 / 1.7335 | M12 | Type G - gasketed | 1.09 |
|
| Weld neck flange DN20 PN25 Type 11/G EN 1092-1 | 75 | 40 | 40 | 26.9 | 18 | Type 11 - weld neck | 14 | Black | 20 | — | 4 | 4 | EN 1092-1 | 12Ni14 / 1.5637 | M12 | Type G - gasketed | 1.09 |
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| Weld neck flange DN20 PN25 Type 11/G EN 1092-1 | 75 | 40 | 40 | 26.9 | 18 | Type 11 - weld neck | 14 | Black | 20 | — | 4 | 4 | EN 1092-1 | 11CrMo9-10 / 1.7383 | M12 | Type G - gasketed | 1.09 |
|
| Weld neck flange DN400 PN40 Type 11/Н EN 1092-1 | 585 | 462 | 135 | 406.4 | 50 | Type 11 - weld neck | 39 | Black | 400 | — | 16 | 12 | EN 1092-1 | 11CrMo9-10 / 1.7383 | M36 | Type H - with gasket groove | 98 |
|
| Weld neck flange DN400 PN40 Type 11/Н EN 1092-1 | 585 | 462 | 135 | 406.4 | 50 | Type 11 - weld neck | 39 | Black | 400 | — | 16 | 12 | EN 1092-1 | 12Ni14 / 1.5637 | M36 | Type H - with gasket groove | 98 |
|
| Weld neck flange DN400 PN40 Type 11/Н EN 1092-1 | 585 | 462 | 135 | 406.4 | 50 | Type 11 - weld neck | 39 | Black | 400 | — | 16 | 12 | EN 1092-1 | 13CrMo4-5 / 1.7335 | M36 | Type H - with gasket groove | 98 |
|
| Weld neck flange DN400 PN40 Type 11/Н EN 1092-1 | 585 | 462 | 135 | 406.4 | 50 | Type 11 - weld neck | 39 | Black | 400 | — | 16 | 12 | EN 1092-1 | 16Mo3 / 1.5415 | M36 | Type H - with gasket groove | 98 |
|
| Weld neck flange DN400 PN40 Type 11/Н EN 1092-1 | 585 | 462 | 135 | 406.4 | 50 | Type 11 - weld neck | 39 | Black | 400 | — | 16 | 12 | EN 1092-1 | P235GH / 1.0345 | M36 | Type H - with gasket groove | 98 |
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