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 DN15 PN160 Type 11/B2 EN 1092-1 | 75 | 34 | 45 | 21.3 | 20 | Type 11 - weld neck | 14 | Black | 15 | 0 | — | 4 | 4 | EN 1092-1 | P235GH / 1.0345 | M12 | Type B - with connecting projection | 1.2 |
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| Weld neck flange DN15 PN160 Type 11/B2 EN 1092-1 | 75 | 34 | 45 | 21.3 | 20 | Type 11 - weld neck | 14 | Black | 15 | 0 | — | 4 | 4 | EN 1092-1 | S355J2 / 1.0577 | M12 | Type B - with connecting projection | 1.2 |
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| Weld neck flange DN15 PN160 Type 11/B2 EN 1092-1 | 75 | 34 | 45 | 21.3 | 20 | Type 11 - weld neck | 14 | Black | 15 | 0 | — | 4 | 4 | EN 1092-1 | S235JR / 1.0038 | M12 | Type B - with connecting projection | 1.2 |
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| Stainless steel weld neck flange DN125 CL600 Type 11/B EN 1759-1 | 266.7 | 189 | 0 | 141.3 | 44.4 | Type 11 - weld neck | 28.6 | Stainless steel | 125 | 600 | — | 8 | 6.5 | EN 1759-1 | X2CrNiMoN17-11-2 / 1.4401 | M27 | Type B - with connecting projection | 30.39 |
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| Stainless steel weld neck flange DN125 CL600 Type 11/B EN 1759-1 | 266.7 | 189 | 0 | 141.3 | 44.4 | Type 11 - weld neck | 28.6 | Stainless steel | 125 | 600 | — | 8 | 6.5 | EN 1759-1 | X6CrNiMoTi17-12-2 / 1.4571 | M27 | Type B - with connecting projection | 30.39 |
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| Stainless steel weld neck flange DN125 CL600 Type 11/B EN 1759-1 | 266.7 | 189 | 0 | 141.3 | 44.4 | Type 11 - weld neck | 28.6 | Stainless steel | 125 | 600 | — | 8 | 6.5 | EN 1759-1 | X2CrNiMo17-12-2 / 1.4404 | M27 | Type B - with connecting projection | 30.39 |
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| Stainless steel weld neck flange DN125 CL600 Type 11/B EN 1759-1 | 266.7 | 189 | 0 | 141.3 | 44.4 | Type 11 - weld neck | 28.6 | Stainless steel | 125 | 600 | — | 8 | 6.5 | EN 1759-1 | X6CrNiTi18-10 / 1.4541 | M27 | Type B - with connecting projection | 30.39 |
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| Stainless steel weld neck flange DN125 CL600 Type 11/B EN 1759-1 | 266.7 | 189 | 0 | 141.3 | 44.4 | Type 11 - weld neck | 28.6 | Stainless steel | 125 | 600 | — | 8 | 6.5 | EN 1759-1 | X2CrNi18-9 / 1.4307 | M27 | Type B - with connecting projection | 30.39 |
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| Stainless steel weld neck flange DN125 CL600 Type 11/B EN 1759-1 | 266.7 | 189 | 0 | 141.3 | 44.4 | Type 11 - weld neck | 28.6 | Stainless steel | 125 | 600 | — | 8 | 6.5 | EN 1759-1 | X5CrNi18-10 / 1.4301 | M27 | Type B - with connecting projection | 30.39 |
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| Weld neck flange DN65 PN250 Type 11/C EN 1092-1 | 180 | 124 | 95 | 76.1 | 42 | Type 11 - weld neck | 26 | Black | 65 | 0 | — | 8 | 6 | EN 1092-1 | X10CrMoVNb9-1 / 1.4903 | M24 | Type C - with tongue | 12.8 |
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