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 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 DN25 PN63 Type 11/F EN 1092-1 | 100 | 52 | 58 | 33.7 | 24 | Type 11 - weld neck | 18 | Black | 25 | — | 4 | 4 | EN 1092-1 | P265GH / 1.0425 | M16 | Type F - with recess | 2.63 |
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| Weld neck flange DN25 PN63 Type 11/F EN 1092-1 | 100 | 52 | 58 | 33.7 | 24 | Type 11 - weld neck | 18 | Black | 25 | — | 4 | 4 | EN 1092-1 | P250GH / 1.0460 | M16 | Type F - with recess | 2.63 |
|
| Weld neck flange DN25 PN63 Type 11/F EN 1092-1 | 100 | 52 | 58 | 33.7 | 24 | Type 11 - weld neck | 18 | Black | 25 | — | 4 | 4 | EN 1092-1 | P245GH / 1.0352 | M16 | Type F - with recess | 2.63 |
|
| Weld neck flange DN25 PN63 Type 11/F EN 1092-1 | 100 | 52 | 58 | 33.7 | 24 | Type 11 - weld neck | 18 | Black | 25 | — | 4 | 4 | EN 1092-1 | P235GH / 1.0345 | M16 | Type F - with recess | 2.63 |
|
| Weld neck flange DN25 PN63 Type 11/F EN 1092-1 | 100 | 52 | 58 | 33.7 | 24 | Type 11 - weld neck | 18 | Black | 25 | — | 4 | 4 | EN 1092-1 | S355J2 / 1.0577 | M16 | Type F - with recess | 2.63 |
|
| Weld neck flange DN25 PN63 Type 11/F EN 1092-1 | 100 | 52 | 58 | 33.7 | 24 | Type 11 - weld neck | 18 | Black | 25 | — | 4 | 4 | EN 1092-1 | S235JR / 1.0038 | M16 | Type F - with recess | 2.63 |
|
| Stainless steel weld neck flange DN50 PN320 Type 11/B2 EN 1092-1 | 160 | 106 | 100 | 63.5 | 42 | Type 11 - weld neck | 26 | Stainless steel | 50 | — | 8 | 6 | EN 1092-1 | X2CrNiMo18-15-4 / 1.4438 | M24 | Type B - with connecting projection | 10.7 |
|
| Stainless steel weld neck flange DN50 PN320 Type 11/B2 EN 1092-1 | 160 | 106 | 100 | 63.5 | 42 | Type 11 - weld neck | 26 | Stainless steel | 50 | — | 8 | 6 | EN 1092-1 | X8CrNi25-21/1.4845 | M24 | Type B - with connecting projection | 10.7 |
|
| Stainless steel weld neck flange DN50 PN320 Type 11/B2 EN 1092-1 | 160 | 106 | 100 | 63.5 | 42 | Type 11 - weld neck | 26 | Stainless steel | 50 | — | 8 | 6 | EN 1092-1 | X3CrNiMo17-13-3 / 1.4436 | M24 | Type B - with connecting projection | 10.7 |
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| Stainless steel weld neck flange DN50 PN320 Type 11/B2 EN 1092-1 | 160 | 106 | 100 | 63.5 | 42 | Type 11 - weld neck | 26 | Stainless steel | 50 | — | 8 | 6 | EN 1092-1 | X2CrNiMo18-14-3 / 1.4435 | M24 | Type B - with connecting projection | 10.7 |
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