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 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 DN40 PN250 Type 11/C EN 1092-1 | 135 | 84 | 80 | 48.3 | 34 | Type 11 - weld neck | 26 | Stainless steel | 40 | 0 | — | 4 | 6 | EN 1092-1 | X6CrNiMoTi17-12-2 / 1.4571 | M24 | Type C - with tongue | 6.72 |
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| Stainless steel weld neck flange DN40 PN250 Type 11/C EN 1092-1 | 135 | 84 | 80 | 48.3 | 34 | Type 11 - weld neck | 26 | Stainless steel | 40 | 0 | — | 4 | 6 | EN 1092-1 | X2CrNiMo17-12-2 / 1.4404 | M24 | Type C - with tongue | 6.72 |
|
| Stainless steel weld neck flange DN40 PN250 Type 11/C EN 1092-1 | 135 | 84 | 80 | 48.3 | 34 | Type 11 - weld neck | 26 | Stainless steel | 40 | 0 | — | 4 | 6 | EN 1092-1 | X5CrNiMo17-12-2 / 1.4401 | M24 | Type C - with tongue | 6.72 |
|
| Stainless steel weld neck flange DN40 PN250 Type 11/C EN 1092-1 | 135 | 84 | 80 | 48.3 | 34 | Type 11 - weld neck | 26 | Stainless steel | 40 | 0 | — | 4 | 6 | EN 1092-1 | X6CrNi18-10 / 1.4948 | M24 | Type C - with tongue | 6.72 |
|
| Stainless steel weld neck flange DN40 PN250 Type 11/C EN 1092-1 | 135 | 84 | 80 | 48.3 | 34 | Type 11 - weld neck | 26 | Stainless steel | 40 | 0 | — | 4 | 6 | EN 1092-1 | X2CrNi18-9 / 1.4307 | M24 | Type C - with tongue | 6.72 |
|
| Stainless steel weld neck flange DN40 PN250 Type 11/C EN 1092-1 | 135 | 84 | 80 | 48.3 | 34 | Type 11 - weld neck | 26 | Stainless steel | 40 | 0 | — | 4 | 6 | EN 1092-1 | X2CrNi19-11 / 1.4306 | M24 | Type C - with tongue | 6.72 |
|
| Stainless steel weld neck flange DN40 PN250 Type 11/C EN 1092-1 | 135 | 84 | 80 | 48.3 | 34 | Type 11 - weld neck | 26 | Stainless steel | 40 | 0 | — | 4 | 6 | EN 1092-1 | X5CrNi18-10 / 1.4301 | M24 | Type C - with tongue | 6.72 |
|
| Weld neck flange DN300 CL600 Type 11/J EN 1759-1 | 489 | 400 | 0 | 323.9 | 66.7 | Type 11 - weld neck | 34.9 | Black | 300 | 600 | — | 20 | 11 | EN 1759-1 | X10CrMoVNb9-1 / 1.4903 | M33 | Type J - gasketed | 107.02 |
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| Weld neck flange DN300 CL600 Type 11/J EN 1759-1 | 489 | 400 | 0 | 323.9 | 66.7 | Type 11 - weld neck | 34.9 | Black | 300 | 600 | — | 20 | 11 | EN 1759-1 | P235GH / 1.0345 | M33 | Type J - gasketed | 107.02 |
|
| Weld neck flange DN300 CL600 Type 11/J EN 1759-1 | 489 | 400 | 0 | 323.9 | 66.7 | Type 11 - weld neck | 34.9 | Black | 300 | 600 | — | 20 | 11 | EN 1759-1 | P355NH / 1.0565 | M33 | Type J - gasketed | 107.02 |
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