Weld neck flanges
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| Name | Center distance of mounting holes, K (mm) | Collar diameter at base, N (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) | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Stainless steel weld neck flangeDN350 CL300 Type 11/F EN 1759-1 | 514.4 | 425 | 355.6 | 54 | Type 11 - weld neck | 31.8 | Stainless steel | 350 | 300 | — | 20 | 9.5 | EN 1759-1 | X2CrNiMoN17-11-2 / 1.4401 | M30 | Type F - with recess | 90.24 |
|
| Stainless steel weld neck flangeDN350 CL300 Type 11/F EN 1759-1 | 514.4 | 425 | 355.6 | 54 | Type 11 - weld neck | 31.8 | Stainless steel | 350 | 300 | — | 20 | 9.5 | EN 1759-1 | X6CrNiMoTi17-12-2 / 1.4571 | M30 | Type F - with recess | 90.24 |
|
| Stainless steel weld neck flangeDN350 CL300 Type 11/F EN 1759-1 | 514.4 | 425 | 355.6 | 54 | Type 11 - weld neck | 31.8 | Stainless steel | 350 | 300 | — | 20 | 9.5 | EN 1759-1 | X2CrNiMo17-12-2 / 1.4404 | M30 | Type F - with recess | 90.24 |
|
| Stainless steel weld neck flangeDN350 CL300 Type 11/F EN 1759-1 | 514.4 | 425 | 355.6 | 54 | Type 11 - weld neck | 31.8 | Stainless steel | 350 | 300 | — | 20 | 9.5 | EN 1759-1 | X6CrNiTi18-10 / 1.4541 | M30 | Type F - with recess | 90.24 |
|
| Stainless steel weld neck flangeDN350 CL300 Type 11/F EN 1759-1 | 514.4 | 425 | 355.6 | 54 | Type 11 - weld neck | 31.8 | Stainless steel | 350 | 300 | — | 20 | 9.5 | EN 1759-1 | X2CrNi18-9 / 1.4307 | M30 | Type F - with recess | 90.24 |
|
| Stainless steel weld neck flangeDN350 CL300 Type 11/F EN 1759-1 | 514.4 | 425 | 355.6 | 54 | Type 11 - weld neck | 31.8 | Stainless steel | 350 | 300 | — | 20 | 9.5 | EN 1759-1 | X5CrNi18-10 / 1.4301 | M30 | Type F - with recess | 90.24 |
|
| Stainless steel weld neck flange DN900 PN10 Type 11/A EN 1092-1 | 1050 | 950 | 914 | 38 | Type 11 - weld neck | 33 | Stainless steel | 900 | 0 | — | 28 | 12 | EN 1092-1 | X6CrNiTiB18-10 / 1.4941 | M30 | Type A - flat surface | 121 |
|
| Stainless steel weld neck flange DN900 PN10 Type 11/A EN 1092-1 | 1050 | 950 | 914 | 38 | Type 11 - weld neck | 33 | Stainless steel | 900 | 0 | — | 28 | 12 | EN 1092-1 | X6CrNiTi18-10 / 1.4541 | M30 | Type A - flat surface | 121 |
|
| Stainless steel weld neck flange DN900 PN10 Type 11/A EN 1092-1 | 1050 | 950 | 914 | 38 | Type 11 - weld neck | 33 | Stainless steel | 900 | 0 | — | 28 | 12 | EN 1092-1 | X6CrNiNb18-10 / 1.4550 | M30 | Type A - flat surface | 121 |
|
| Stainless steel weld neck flange DN900 PN10 Type 11/A EN 1092-1 | 1050 | 950 | 914 | 38 | Type 11 - weld neck | 33 | Stainless steel | 900 | 0 | — | 28 | 12 | EN 1092-1 | X6CrNiMoTi17-12-2 / 1.4571 | M30 | Type A - flat surface | 121 |
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