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) | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Weld neck flange DN300 CL900 Type 11/CS EN 1759-1 | 533.4 | 419 | 323.9 | 79.4 | Type 11 - weld neck | 38.1 | Black | 300 | 900 | — | 20 | 9.5 | EN 1759-1 | S235JR / 1.0038 | M36 | Type CS - with small tongue | 164.95 |
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| Stainless steel weld neck flange DN300 CL150 Type 11/B EN 1759-1 | 431.8 | 365 | 323.9 | 31.8 | Type 11 - weld neck | 25.4 | Stainless steel | 300 | 150 | — | 12 | 9.5 | EN 1759-1 | X2CrNiMoN17-11-2 / 1.4401 | M24 | Type B - with connecting projection | 38.77 |
|
| Stainless steel weld neck flange DN300 CL150 Type 11/B EN 1759-1 | 431.8 | 365 | 323.9 | 31.8 | Type 11 - weld neck | 25.4 | Stainless steel | 300 | 150 | — | 12 | 9.5 | EN 1759-1 | X6CrNiMoTi17-12-2 / 1.4571 | M24 | Type B - with connecting projection | 38.77 |
|
| Stainless steel weld neck flange DN300 CL150 Type 11/B EN 1759-1 | 431.8 | 365 | 323.9 | 31.8 | Type 11 - weld neck | 25.4 | Stainless steel | 300 | 150 | — | 12 | 9.5 | EN 1759-1 | X2CrNiMo17-12-2 / 1.4404 | M24 | Type B - with connecting projection | 38.77 |
|
| Stainless steel weld neck flange DN300 CL150 Type 11/B EN 1759-1 | 431.8 | 365 | 323.9 | 31.8 | Type 11 - weld neck | 25.4 | Stainless steel | 300 | 150 | — | 12 | 9.5 | EN 1759-1 | X6CrNiTi18-10 / 1.4541 | M24 | Type B - with connecting projection | 38.77 |
|
| Stainless steel weld neck flange DN300 CL150 Type 11/B EN 1759-1 | 431.8 | 365 | 323.9 | 31.8 | Type 11 - weld neck | 25.4 | Stainless steel | 300 | 150 | — | 12 | 9.5 | EN 1759-1 | X2CrNi18-9 / 1.4307 | M24 | Type B - with connecting projection | 38.77 |
|
| Stainless steel weld neck flange DN300 CL150 Type 11/B EN 1759-1 | 431.8 | 365 | 323.9 | 31.8 | Type 11 - weld neck | 25.4 | Stainless steel | 300 | 150 | — | 12 | 9.5 | EN 1759-1 | X5CrNi18-10 / 1.4301 | M24 | Type B - with connecting projection | 38.77 |
|
| Stainless steel weld neck flange DN50 PN100 Type 11/A EN 1092-1 | 145 | 90 | 60.3 | 28 | Type 11 - weld neck | 26 | Stainless steel | 50 | 0 | — | 4 | 6 | EN 1092-1 | X6CrNiTiB18-10 / 1.4941 | M24 | Type A - flat surface | 5.82 |
|
| Stainless steel weld neck flange DN50 PN100 Type 11/A EN 1092-1 | 145 | 90 | 60.3 | 28 | Type 11 - weld neck | 26 | Stainless steel | 50 | 0 | — | 4 | 6 | EN 1092-1 | X6CrNiTi18-10 / 1.4541 | M24 | Type A - flat surface | 5.82 |
|
| Stainless steel weld neck flange DN50 PN100 Type 11/A EN 1092-1 | 145 | 90 | 60.3 | 28 | Type 11 - weld neck | 26 | Stainless steel | 50 | 0 | — | 4 | 6 | EN 1092-1 | X6CrNiNb18-10 / 1.4550 | M24 | Type A - flat surface | 5.82 |
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