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 DN150 PN160 Type 11/G EN 1092-1 | 290 | 210 | 128 | 168.3 | 50 | Type 11 - weld neck | 33 | Black | 150 | — | 12 | 10 | EN 1092-1 | P250GH / 1.0460 | M30 | Type G - gasketed | 34.4 |
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| Weld neck flange DN150 PN160 Type 11/G EN 1092-1 | 290 | 210 | 128 | 168.3 | 50 | Type 11 - weld neck | 33 | Black | 150 | — | 12 | 10 | EN 1092-1 | P245GH / 1.0352 | M30 | Type G - gasketed | 34.4 |
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| Weld neck flange DN150 PN160 Type 11/G EN 1092-1 | 290 | 210 | 128 | 168.3 | 50 | Type 11 - weld neck | 33 | Black | 150 | — | 12 | 10 | EN 1092-1 | P235GH / 1.0345 | M30 | Type G - gasketed | 34.4 |
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| Weld neck flange DN150 PN160 Type 11/G EN 1092-1 | 290 | 210 | 128 | 168.3 | 50 | Type 11 - weld neck | 33 | Black | 150 | — | 12 | 10 | EN 1092-1 | 16Mo3 / 1.5415 | M30 | Type G - gasketed | 34.4 |
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| Weld neck flange DN150 PN160 Type 11/G EN 1092-1 | 290 | 210 | 128 | 168.3 | 50 | Type 11 - weld neck | 33 | Black | 150 | — | 12 | 10 | EN 1092-1 | 13CrMo4-5 / 1.7335 | M30 | Type G - gasketed | 34.4 |
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| Weld neck flange DN150 PN160 Type 11/G EN 1092-1 | 290 | 210 | 128 | 168.3 | 50 | Type 11 - weld neck | 33 | Black | 150 | — | 12 | 10 | EN 1092-1 | 12Ni14 / 1.5637 | M30 | Type G - gasketed | 34.4 |
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| Weld neck flange DN150 PN160 Type 11/G EN 1092-1 | 290 | 210 | 128 | 168.3 | 50 | Type 11 - weld neck | 33 | Black | 150 | — | 12 | 10 | EN 1092-1 | 11CrMo9-10 / 1.7383 | M30 | Type G - gasketed | 34.4 |
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| Stainless steel weld neck flange DN150 PN2,5 Type 11/B1 EN 1092-1 | 225 | 184 | 48 | 168.3 | 18 | Type 11 - weld neck | 18 | Stainless steel | 150 | — | 8 | 10 | EN 1092-1 | X2CrNiMo18-15-4 / 1.4438 | M16 | Type B - with connecting projection | 5.5 |
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| Stainless steel weld neck flange DN150 PN2,5 Type 11/B1 EN 1092-1 | 225 | 184 | 48 | 168.3 | 18 | Type 11 - weld neck | 18 | Stainless steel | 150 | — | 8 | 10 | EN 1092-1 | X8CrNi25-21/1.4845 | M16 | Type B - with connecting projection | 5.5 |
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| Stainless steel weld neck flange DN150 PN2,5 Type 11/B1 EN 1092-1 | 225 | 184 | 48 | 168.3 | 18 | Type 11 - weld neck | 18 | Stainless steel | 150 | — | 8 | 10 | EN 1092-1 | X3CrNiMo17-13-3 / 1.4436 | M16 | Type B - with connecting projection | 5.5 |
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