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 DN800 PN10 Type 11/B1 EN 1092-1 | 950 | 850 | 96 | 813 | 38 | Type 11 - weld neck | 33 | Black | 800 | 0 | — | 24 | 12 | EN 1092-1 | P355NH / 1.0565 | M30 | Type B - with connecting projection | 102 |
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| Weld neck flange DN800 PN10 Type 11/B1 EN 1092-1 | 950 | 850 | 96 | 813 | 38 | Type 11 - weld neck | 33 | Black | 800 | 0 | — | 24 | 12 | EN 1092-1 | 12Ni14 / 1.5637 | M30 | Type B - with connecting projection | 102 |
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| Weld neck flange DN800 PN10 Type 11/B1 EN 1092-1 | 950 | 850 | 96 | 813 | 38 | Type 11 - weld neck | 33 | Black | 800 | 0 | — | 24 | 12 | EN 1092-1 | P355QH1 / 1.0571 | M30 | Type B - with connecting projection | 102 |
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| Weld neck flange DN800 PN10 Type 11/B1 EN 1092-1 | 950 | 850 | 96 | 813 | 38 | Type 11 - weld neck | 33 | Black | 800 | 0 | — | 24 | 12 | EN 1092-1 | P265GH / 1.0425 | M30 | Type B - with connecting projection | 102 |
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| Weld neck flange DN800 PN10 Type 11/B1 EN 1092-1 | 950 | 850 | 96 | 813 | 38 | Type 11 - weld neck | 33 | Black | 800 | 0 | — | 24 | 12 | EN 1092-1 | P250GH / 1.0460 | M30 | Type B - with connecting projection | 102 |
|
| Weld neck flange DN800 PN10 Type 11/B1 EN 1092-1 | 950 | 850 | 96 | 813 | 38 | Type 11 - weld neck | 33 | Black | 800 | 0 | — | 24 | 12 | EN 1092-1 | P245GH / 1.0352 | M30 | Type B - with connecting projection | 102 |
|
| Weld neck flange DN800 PN10 Type 11/B1 EN 1092-1 | 950 | 850 | 96 | 813 | 38 | Type 11 - weld neck | 33 | Black | 800 | 0 | — | 24 | 12 | EN 1092-1 | P235GH / 1.0345 | M30 | Type B - with connecting projection | 102 |
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| Weld neck flange DN800 PN10 Type 11/B1 EN 1092-1 | 950 | 850 | 96 | 813 | 38 | Type 11 - weld neck | 33 | Black | 800 | 0 | — | 24 | 12 | EN 1092-1 | S355J2 / 1.0577 | M30 | Type B - with connecting projection | 102 |
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| Weld neck flange DN800 PN10 Type 11/B1 EN 1092-1 | 950 | 850 | 96 | 813 | 38 | Type 11 - weld neck | 33 | Black | 800 | 0 | — | 24 | 12 | EN 1092-1 | S235JR / 1.0038 | M30 | Type B - with connecting projection | 102 |
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| Weld neck flange DN200 CL150 Type 11/DL EN 1759-1 | 298.4 | 246 | 0 | 219.1 | 28.6 | Type 11 - weld neck | 22.2 | Black | 200 | 150 | — | 8 | 6.5 | EN 1759-1 | P355NH / 1.0565 | M20 | Type DL - with large groove | 18.24 |
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