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 flange DN125 PN25 Type 11/A EN 1092-1 | 220 | 162 | 139.7 | 26 | Type 11 - weld neck | 26 | Stainless steel | 125 | 0 | — | 8 | 8 | EN 1092-1 | X2CrNi18-9 / 1.4307 | M20 | Type A - flat surface | 9.2 |
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| Stainless steel weld neck flange DN125 PN25 Type 11/A EN 1092-1 | 220 | 162 | 139.7 | 26 | Type 11 - weld neck | 26 | Stainless steel | 125 | 0 | — | 8 | 8 | EN 1092-1 | X1NiCrMoCuN25-20-7 / 1.4529 | M20 | Type A - flat surface | 9.2 |
|
| Stainless steel weld neck flange DN125 PN25 Type 11/A EN 1092-1 | 220 | 162 | 139.7 | 26 | Type 11 - weld neck | 26 | Stainless steel | 125 | 0 | — | 8 | 8 | EN 1092-1 | X1NiCrMoCu25-20-5 / 1.4539 | M20 | Type A - flat surface | 9.2 |
|
| Stainless steel weld neck flange DN125 PN25 Type 11/A EN 1092-1 | 220 | 162 | 139.7 | 26 | Type 11 - weld neck | 26 | Stainless steel | 125 | 0 | — | 8 | 8 | EN 1092-1 | X1CrNiMoCuN20-18-7 / 1.4547 | M20 | Type A - flat surface | 9.2 |
|
| Stainless steel weld neck flangeDN400 CL900 Type 11/F EN 1759-1 | 616 | 508 | 406.4 | 88.9 | Type 11 - weld neck | 44.4 | Stainless steel | 400 | 900 | — | 20 | 11 | EN 1759-1 | X2CrNiMoN17-11-2 / 1.4401 | M42x4 | Type F - with recess | 227.1 |
|
| Stainless steel weld neck flangeDN400 CL900 Type 11/F EN 1759-1 | 616 | 508 | 406.4 | 88.9 | Type 11 - weld neck | 44.4 | Stainless steel | 400 | 900 | — | 20 | 11 | EN 1759-1 | X6CrNiMoTi17-12-2 / 1.4571 | M42x4 | Type F - with recess | 227.1 |
|
| Stainless steel weld neck flangeDN400 CL900 Type 11/F EN 1759-1 | 616 | 508 | 406.4 | 88.9 | Type 11 - weld neck | 44.4 | Stainless steel | 400 | 900 | — | 20 | 11 | EN 1759-1 | X2CrNiMo17-12-2 / 1.4404 | M42x4 | Type F - with recess | 227.1 |
|
| Stainless steel weld neck flangeDN400 CL900 Type 11/F EN 1759-1 | 616 | 508 | 406.4 | 88.9 | Type 11 - weld neck | 44.4 | Stainless steel | 400 | 900 | — | 20 | 11 | EN 1759-1 | X6CrNiTi18-10 / 1.4541 | M42x4 | Type F - with recess | 227.1 |
|
| Stainless steel weld neck flangeDN400 CL900 Type 11/F EN 1759-1 | 616 | 508 | 406.4 | 88.9 | Type 11 - weld neck | 44.4 | Stainless steel | 400 | 900 | — | 20 | 11 | EN 1759-1 | X2CrNi18-9 / 1.4307 | M42x4 | Type F - with recess | 227.1 |
|
| Stainless steel weld neck flangeDN400 CL900 Type 11/F EN 1759-1 | 616 | 508 | 406.4 | 88.9 | Type 11 - weld neck | 44.4 | Stainless steel | 400 | 900 | — | 20 | 11 | EN 1759-1 | X5CrNi18-10 / 1.4301 | M42x4 | Type F - with recess | 227.1 |
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