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 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 DN900 PN10 Type 11/A EN 1092-1 | 1050 | 950 | 914 | 38 | Type 11 - weld neck | 33 | Stainless steel | 900 | — | 28 | 12 | EN 1092-1 | X6CrNi18-10 / 1.4948 | M30 | Type A - flat surface | 121 |
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| 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 | — | 28 | 12 | EN 1092-1 | X5CrNiMo17-12-2 / 1.4401 | M30 | Type A - flat surface | 121 |
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| 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 | — | 28 | 12 | EN 1092-1 | X5CrNi18-10 / 1.4301 | 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 | — | 28 | 12 | EN 1092-1 | X2CrNiMoN25-7-4 / 1.4410 | 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 | — | 28 | 12 | EN 1092-1 | X2CrNiMoN22-5-3 / 1.4462 | 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 | — | 28 | 12 | EN 1092-1 | X2CrNiMo17-12-2 / 1.4404 | 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 | — | 28 | 12 | EN 1092-1 | X2CrNi18-9 / 1.4307 | 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 | — | 28 | 12 | EN 1092-1 | X1NiCrMoCuN25-20-7 / 1.4529 | 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 | — | 28 | 12 | EN 1092-1 | X1NiCrMoCu25-20-5 / 1.4539 | 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 | — | 28 | 12 | EN 1092-1 | X1CrNiMoCuN20-18-7 / 1.4547 | M30 | Type A - flat surface | 121 |
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