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 DN1000 PN10 Type 11/Н EN 1092-1 | 1160 | 1052 | 105 | 1016 | 44 | Type 11 - weld neck | 36 | Black | 1000 | — | 28 | 16 | EN 1092-1 | S355J2 / 1.0577 | M33 | Type H - with gasket groove | 161 |
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| Weld neck flange DN1000 PN10 Type 11/Н EN 1092-1 | 1160 | 1052 | 105 | 1016 | 44 | Type 11 - weld neck | 36 | Black | 1000 | — | 28 | 16 | EN 1092-1 | X10CrMoVNb9-1 / 1.4903 | M33 | Type H - with gasket groove | 161 |
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| Weld neck flange DN1000 PN10 Type 11/Н EN 1092-1 | 1160 | 1052 | 105 | 1016 | 44 | Type 11 - weld neck | 36 | Black | 1000 | — | 28 | 16 | EN 1092-1 | P355QH1 / 1.0571 | M33 | Type H - with gasket groove | 161 |
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| Stainless steel weld neck flange DN250 PN100 Type 11/A EN 1092-1 | 430 | 340 | 0 | 273 | 60 | Type 11 - weld neck | 39 | Stainless steel | 250 | — | 12 | 12 | EN 1092-1 | X6CrNiTiB18-10 / 1.4941 | M36 | Type A - flat surface | 81.4 |
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| Stainless steel weld neck flange DN250 PN100 Type 11/A EN 1092-1 | 430 | 340 | 0 | 273 | 60 | Type 11 - weld neck | 39 | Stainless steel | 250 | — | 12 | 12 | EN 1092-1 | X6CrNiTi18-10 / 1.4541 | M36 | Type A - flat surface | 81.4 |
|
| Stainless steel weld neck flange DN250 PN100 Type 11/A EN 1092-1 | 430 | 340 | 0 | 273 | 60 | Type 11 - weld neck | 39 | Stainless steel | 250 | — | 12 | 12 | EN 1092-1 | X6CrNiNb18-10 / 1.4550 | M36 | Type A - flat surface | 81.4 |
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| Stainless steel weld neck flange DN250 PN100 Type 11/A EN 1092-1 | 430 | 340 | 0 | 273 | 60 | Type 11 - weld neck | 39 | Stainless steel | 250 | — | 12 | 12 | EN 1092-1 | X6CrNiMoTi17-12-2 / 1.4571 | M36 | Type A - flat surface | 81.4 |
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| Stainless steel weld neck flange DN250 PN100 Type 11/A EN 1092-1 | 430 | 340 | 0 | 273 | 60 | Type 11 - weld neck | 39 | Stainless steel | 250 | — | 12 | 12 | EN 1092-1 | X6CrNi18-10 / 1.4948 | M36 | Type A - flat surface | 81.4 |
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| Stainless steel weld neck flange DN250 PN100 Type 11/A EN 1092-1 | 430 | 340 | 0 | 273 | 60 | Type 11 - weld neck | 39 | Stainless steel | 250 | — | 12 | 12 | EN 1092-1 | X5CrNiMo17-12-2 / 1.4401 | M36 | Type A - flat surface | 81.4 |
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| Stainless steel weld neck flange DN250 PN100 Type 11/A EN 1092-1 | 430 | 340 | 0 | 273 | 60 | Type 11 - weld neck | 39 | Stainless steel | 250 | — | 12 | 12 | EN 1092-1 | X5CrNi18-10 / 1.4301 | M36 | Type A - flat surface | 81.4 |
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