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 DN150 PN250 Type 11/E EN 1092-1 | 320 | 240 | 160 | 177.8 | 68 | Type 11 - weld neck | 36 | Black | 150 | 0 | — | 12 | 10 | EN 1092-1 | P250GH / 1.0460 | M33 | Type E - with a large protrusion | 59.6 |
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| Weld neck flange DN150 PN250 Type 11/E EN 1092-1 | 320 | 240 | 160 | 177.8 | 68 | Type 11 - weld neck | 36 | Black | 150 | 0 | — | 12 | 10 | EN 1092-1 | P265GH / 1.0425 | M33 | Type E - with a large protrusion | 59.6 |
|
| Weld neck flange DN150 PN250 Type 11/E EN 1092-1 | 320 | 240 | 160 | 177.8 | 68 | Type 11 - weld neck | 36 | Black | 150 | 0 | — | 12 | 10 | EN 1092-1 | P355NH / 1.0565 | M33 | Type E - with a large protrusion | 59.6 |
|
| Weld neck flange DN150 PN250 Type 11/E EN 1092-1 | 320 | 240 | 160 | 177.8 | 68 | Type 11 - weld neck | 36 | Black | 150 | 0 | — | 12 | 10 | EN 1092-1 | S235JR / 1.0038 | M33 | Type E - with a large protrusion | 59.6 |
|
| Weld neck flange DN150 PN250 Type 11/E EN 1092-1 | 320 | 240 | 160 | 177.8 | 68 | Type 11 - weld neck | 36 | Black | 150 | 0 | — | 12 | 10 | EN 1092-1 | S355J2 / 1.0577 | M33 | Type E - with a large protrusion | 59.6 |
|
| Weld neck flange DN150 PN250 Type 11/E EN 1092-1 | 320 | 240 | 160 | 177.8 | 68 | Type 11 - weld neck | 36 | Black | 150 | 0 | — | 12 | 10 | EN 1092-1 | X10CrMoVNb9-1 / 1.4903 | M33 | Type E - with a large protrusion | 59.6 |
|
| Weld neck flange DN150 PN250 Type 11/E EN 1092-1 | 320 | 240 | 160 | 177.8 | 68 | Type 11 - weld neck | 36 | Black | 150 | 0 | — | 12 | 10 | EN 1092-1 | P355QH1 / 1.0571 | M33 | Type E - with a large protrusion | 59.6 |
|
| Weld neck flange DN65 CL2500 Type 11/CS EN 1759-1 | 196.8 | 114 | 0 | 73 | 57.1 | Type 11 - weld neck | 31.8 | Black | 65 | 2500 | — | 8 | 9.5 | EN 1759-1 | P355NH / 1.0565 | M30 | Type CS - with small tongue | 25.76 |
|
| Weld neck flange DN65 CL2500 Type 11/CS EN 1759-1 | 196.8 | 114 | 0 | 73 | 57.1 | Type 11 - weld neck | 31.8 | Black | 65 | 2500 | — | 8 | 9.5 | EN 1759-1 | 12Ni14 / 1.5637 | M30 | Type CS - with small tongue | 25.76 |
|
| Weld neck flange DN65 CL2500 Type 11/CS EN 1759-1 | 196.8 | 114 | 0 | 73 | 57.1 | Type 11 - weld neck | 31.8 | Black | 65 | 2500 | — | 8 | 9.5 | EN 1759-1 | 11CrMo9-10 / 1.7383 | M30 | Type CS - with small tongue | 25.76 |
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