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) | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Stainless steel weld neck flange DN125 PN160 Type 11/C EN 1092-1 | 250 | 180 | 115 | 139.7 | 44 | Type 11 - weld neck | 33 | Stainless steel | 125 | — | 8 | 8 | EN 1092-1 | X6CrNiTi18-10 / 1.4541 | M30 | Type C - with tongue | 24.4 |
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| Stainless steel weld neck flange DN125 PN160 Type 11/C EN 1092-1 | 250 | 180 | 115 | 139.7 | 44 | Type 11 - weld neck | 33 | Stainless steel | 125 | — | 8 | 8 | EN 1092-1 | X6CrNiMoTi17-12-2 / 1.4571 | M30 | Type C - with tongue | 24.4 |
|
| Stainless steel weld neck flange DN125 PN160 Type 11/C EN 1092-1 | 250 | 180 | 115 | 139.7 | 44 | Type 11 - weld neck | 33 | Stainless steel | 125 | — | 8 | 8 | EN 1092-1 | X2CrNiMo17-12-2 / 1.4404 | M30 | Type C - with tongue | 24.4 |
|
| Stainless steel weld neck flange DN125 PN160 Type 11/C EN 1092-1 | 250 | 180 | 115 | 139.7 | 44 | Type 11 - weld neck | 33 | Stainless steel | 125 | — | 8 | 8 | EN 1092-1 | X5CrNiMo17-12-2 / 1.4401 | M30 | Type C - with tongue | 24.4 |
|
| Stainless steel weld neck flange DN125 PN160 Type 11/C EN 1092-1 | 250 | 180 | 115 | 139.7 | 44 | Type 11 - weld neck | 33 | Stainless steel | 125 | — | 8 | 8 | EN 1092-1 | X6CrNi18-10 / 1.4948 | M30 | Type C - with tongue | 24.4 |
|
| Stainless steel weld neck flange DN125 PN160 Type 11/C EN 1092-1 | 250 | 180 | 115 | 139.7 | 44 | Type 11 - weld neck | 33 | Stainless steel | 125 | — | 8 | 8 | EN 1092-1 | X2CrNi18-9 / 1.4307 | M30 | Type C - with tongue | 24.4 |
|
| Stainless steel weld neck flange DN125 PN160 Type 11/C EN 1092-1 | 250 | 180 | 115 | 139.7 | 44 | Type 11 - weld neck | 33 | Stainless steel | 125 | — | 8 | 8 | EN 1092-1 | X2CrNi19-11 / 1.4306 | M30 | Type C - with tongue | 24.4 |
|
| Stainless steel weld neck flange DN125 PN160 Type 11/C EN 1092-1 | 250 | 180 | 115 | 139.7 | 44 | Type 11 - weld neck | 33 | Stainless steel | 125 | — | 8 | 8 | EN 1092-1 | X5CrNi18-10 / 1.4301 | M30 | Type C - with tongue | 24.4 |
|
| Stainless steel weld neck flange DN450 PN2,5 Type 11/B1 EN 1092-1 | 550 | 492 | 65 | 457 | 22 | Type 11 - weld neck | 22 | Stainless steel | 450 | — | 16 | 12 | EN 1092-1 | X2CrNiMo18-15-4 / 1.4438 | M20 | Type B - with connecting projection | 27 |
|
| Stainless steel weld neck flange DN450 PN2,5 Type 11/B1 EN 1092-1 | 550 | 492 | 65 | 457 | 22 | Type 11 - weld neck | 22 | Stainless steel | 450 | — | 16 | 12 | EN 1092-1 | X8CrNi25-21/1.4845 | M20 | Type B - with connecting projection | 27 |
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