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 DN125 PN63 Type 11/D EN 1092-1 | 240 | 168 | 88 | 139.7 | 34 | Type 11 - weld neck | 30 | Black | 125 | — | 8 | 8 | EN 1092-1 | S355J2 / 1.0577 | M27 | Type D - with groove | 14.5 |
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| Weld neck flange DN125 PN63 Type 11/D EN 1092-1 | 240 | 168 | 88 | 139.7 | 34 | Type 11 - weld neck | 30 | Black | 125 | — | 8 | 8 | EN 1092-1 | S235JR / 1.0038 | M27 | Type D - with groove | 14.5 |
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| Weld neck flange DN150 PN100 Type 11/B2 EN 1092-1 | 290 | 210 | 115 | 168.3 | 44 | Type 11 - weld neck | 33 | Black | 150 | — | 12 | 10 | EN 1092-1 | P355NL2 / 1.1106 | M30 | Type B - with connecting projection | 28.3 |
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| Weld neck flange DN150 PN100 Type 11/B2 EN 1092-1 | 290 | 210 | 115 | 168.3 | 44 | Type 11 - weld neck | 33 | Black | 150 | — | 12 | 10 | EN 1092-1 | P280GH / 1.0426 | M30 | Type B - with connecting projection | 28.3 |
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| Weld neck flange DN150 PN100 Type 11/B2 EN 1092-1 | 290 | 210 | 115 | 168.3 | 44 | Type 11 - weld neck | 33 | Black | 150 | — | 12 | 10 | EN 1092-1 | X10CrMoVNb9-1 / 1.4903 | M30 | Type B - with connecting projection | 28.3 |
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| Weld neck flange DN150 PN100 Type 11/B2 EN 1092-1 | 290 | 210 | 115 | 168.3 | 44 | Type 11 - weld neck | 33 | Black | 150 | — | 12 | 10 | EN 1092-1 | 11CrMo9-10 / 1.7383 | M30 | Type B - with connecting projection | 28.3 |
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| Weld neck flange DN150 PN100 Type 11/B2 EN 1092-1 | 290 | 210 | 115 | 168.3 | 44 | Type 11 - weld neck | 33 | Black | 150 | — | 12 | 10 | EN 1092-1 | 13CrMo4-5 / 1.7335 | M30 | Type B - with connecting projection | 28.3 |
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| Weld neck flange DN150 PN100 Type 11/B2 EN 1092-1 | 290 | 210 | 115 | 168.3 | 44 | Type 11 - weld neck | 33 | Black | 150 | — | 12 | 10 | EN 1092-1 | 16Mo3 / 1.5415 | M30 | Type B - with connecting projection | 28.3 |
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| Weld neck flange DN150 PN100 Type 11/B2 EN 1092-1 | 290 | 210 | 115 | 168.3 | 44 | Type 11 - weld neck | 33 | Black | 150 | — | 12 | 10 | EN 1092-1 | P355NH / 1.0565 | M30 | Type B - with connecting projection | 28.3 |
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| Weld neck flange DN150 PN100 Type 11/B2 EN 1092-1 | 290 | 210 | 115 | 168.3 | 44 | Type 11 - weld neck | 33 | Black | 150 | — | 12 | 10 | EN 1092-1 | 12Ni14 / 1.5637 | M30 | Type B - with connecting projection | 28.3 |
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