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 DN250 PN10 Type 11/E EN 1092-1 | 350 | 292 | 68 | 273 | 26 | Type 11 - weld neck | 22 | Black | 250 | 0 | — | 12 | 12 | EN 1092-1 | S355J2 / 1.0577 | M20 | Type E - with a large protrusion | 15.8 |
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| Weld neck flange DN250 PN10 Type 11/E EN 1092-1 | 350 | 292 | 68 | 273 | 26 | Type 11 - weld neck | 22 | Black | 250 | 0 | — | 12 | 12 | EN 1092-1 | X10CrMoVNb9-1 / 1.4903 | M20 | Type E - with a large protrusion | 15.8 |
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| Weld neck flange DN250 PN10 Type 11/E EN 1092-1 | 350 | 292 | 68 | 273 | 26 | Type 11 - weld neck | 22 | Black | 250 | 0 | — | 12 | 12 | EN 1092-1 | P355QH1 / 1.0571 | M20 | Type E - with a large protrusion | 15.8 |
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| Stainless steel weld neck flange DN600 CL150 Type 11/E EN 1759-1 | 749.3 | 664 | 0 | 609.6 | 47.6 | Type 11 - weld neck | 34.9 | Stainless steel | 600 | 150 | — | 20 | 9.5 | EN 1759-1 | X2CrNiMoN17-11-2 / 1.4401 | M33 | Type E - with a ledge | 121.11 |
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| Stainless steel weld neck flange DN600 CL150 Type 11/E EN 1759-1 | 749.3 | 664 | 0 | 609.6 | 47.6 | Type 11 - weld neck | 34.9 | Stainless steel | 600 | 150 | — | 20 | 9.5 | EN 1759-1 | X6CrNiMoTi17-12-2 / 1.4571 | M33 | Type E - with a ledge | 121.11 |
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| Stainless steel weld neck flange DN600 CL150 Type 11/E EN 1759-1 | 749.3 | 664 | 0 | 609.6 | 47.6 | Type 11 - weld neck | 34.9 | Stainless steel | 600 | 150 | — | 20 | 9.5 | EN 1759-1 | X2CrNiMo17-12-2 / 1.4404 | M33 | Type E - with a ledge | 121.11 |
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| Stainless steel weld neck flange DN600 CL150 Type 11/E EN 1759-1 | 749.3 | 664 | 0 | 609.6 | 47.6 | Type 11 - weld neck | 34.9 | Stainless steel | 600 | 150 | — | 20 | 9.5 | EN 1759-1 | X6CrNiTi18-10 / 1.4541 | M33 | Type E - with a ledge | 121.11 |
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| Stainless steel weld neck flange DN600 CL150 Type 11/E EN 1759-1 | 749.3 | 664 | 0 | 609.6 | 47.6 | Type 11 - weld neck | 34.9 | Stainless steel | 600 | 150 | — | 20 | 9.5 | EN 1759-1 | X2CrNi18-9 / 1.4307 | M33 | Type E - with a ledge | 121.11 |
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| Stainless steel weld neck flange DN600 CL150 Type 11/E EN 1759-1 | 749.3 | 664 | 0 | 609.6 | 47.6 | Type 11 - weld neck | 34.9 | Stainless steel | 600 | 150 | — | 20 | 9.5 | EN 1759-1 | X5CrNi18-10 / 1.4301 | M33 | Type E - with a ledge | 121.11 |
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| Stainless steel weld neck flange DN15 PN63 Type 11/A EN 1092-1 | 75 | 34 | 0 | 21.3 | 20 | Type 11 - weld neck | 14 | Stainless steel | 15 | 0 | — | 4 | 4 | EN 1092-1 | X6CrNiTiB18-10 / 1.4941 | M12 | Type A - flat surface | 1.2 |
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