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) | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Stainless steel weld neck flange DN50 PN100 Type 11/A EN 1092-1 | 145 | 90 | 0 | 60.3 | 28 | Type 11 - weld neck | 26 | Stainless steel | 50 | — | 4 | 6 | EN 1092-1 | X1CrNiMoCuN20-18-7 / 1.4547 | M24 | Type A - flat surface | 5.82 |
|
| Weld neck flange DN80 PN320 Type 11/E EN 1092-1 | 220 | 156 | 130 | 101.6 | 55 | Type 11 - weld neck | 30 | Black | 80 | — | 8 | 8 | EN 1092-1 | 11CrMo9-10 / 1.7383 | M27 | Type E - with a large protrusion | 25.2 |
|
| Weld neck flange DN80 PN320 Type 11/E EN 1092-1 | 220 | 156 | 130 | 101.6 | 55 | Type 11 - weld neck | 30 | Black | 80 | — | 8 | 8 | EN 1092-1 | 12Ni14 / 1.5637 | M27 | Type E - with a large protrusion | 25.2 |
|
| Weld neck flange DN80 PN320 Type 11/E EN 1092-1 | 220 | 156 | 130 | 101.6 | 55 | Type 11 - weld neck | 30 | Black | 80 | — | 8 | 8 | EN 1092-1 | 13CrMo4-5 / 1.7335 | M27 | Type E - with a large protrusion | 25.2 |
|
| Weld neck flange DN80 PN320 Type 11/E EN 1092-1 | 220 | 156 | 130 | 101.6 | 55 | Type 11 - weld neck | 30 | Black | 80 | — | 8 | 8 | EN 1092-1 | 16Mo3 / 1.5415 | M27 | Type E - with a large protrusion | 25.2 |
|
| Weld neck flange DN80 PN320 Type 11/E EN 1092-1 | 220 | 156 | 130 | 101.6 | 55 | Type 11 - weld neck | 30 | Black | 80 | — | 8 | 8 | EN 1092-1 | P235GH / 1.0345 | M27 | Type E - with a large protrusion | 25.2 |
|
| Weld neck flange DN80 PN320 Type 11/E EN 1092-1 | 220 | 156 | 130 | 101.6 | 55 | Type 11 - weld neck | 30 | Black | 80 | — | 8 | 8 | EN 1092-1 | P245GH / 1.0352 | M27 | Type E - with a large protrusion | 25.2 |
|
| Weld neck flange DN80 PN320 Type 11/E EN 1092-1 | 220 | 156 | 130 | 101.6 | 55 | Type 11 - weld neck | 30 | Black | 80 | — | 8 | 8 | EN 1092-1 | P250GH / 1.0460 | M27 | Type E - with a large protrusion | 25.2 |
|
| Weld neck flange DN80 PN320 Type 11/E EN 1092-1 | 220 | 156 | 130 | 101.6 | 55 | Type 11 - weld neck | 30 | Black | 80 | — | 8 | 8 | EN 1092-1 | P265GH / 1.0425 | M27 | Type E - with a large protrusion | 25.2 |
|
| Weld neck flange DN80 PN320 Type 11/E EN 1092-1 | 220 | 156 | 130 | 101.6 | 55 | Type 11 - weld neck | 30 | Black | 80 | — | 8 | 8 | EN 1092-1 | P355NH / 1.0565 | M27 | Type E - with a large protrusion | 25.2 |
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