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) | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Weld neck flange DN25 CL1500 Type 11/DL EN 1759-1 | 101.6 | 52 | 0 | 33.4 | 28.6 | Type 11 - weld neck | 25.4 | Black | 25 | 1500 | — | 4 | 5 | EN 1759-1 | P245GH / 1.0352 | M24 | Type DL - with large groove | 3.77 |
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| Weld neck flange DN25 CL1500 Type 11/DL EN 1759-1 | 101.6 | 52 | 0 | 33.4 | 28.6 | Type 11 - weld neck | 25.4 | Black | 25 | 1500 | — | 4 | 5 | EN 1759-1 | S235JR / 1.0038 | M24 | Type DL - with large groove | 3.77 |
|
| Stainless steel weld neck flange DN350 PN63 Type 11/D EN 1092-1 | 525 | 420 | 150 | 355.6 | 56 | Type 11 - weld neck | 39 | Stainless steel | 350 | 0 | — | 16 | 12 | EN 1092-1 | X2CrNiMo17-12-3 / 1.4432 | M36 | Type D - with groove | 97.8 |
|
| Stainless steel weld neck flange DN350 PN63 Type 11/D EN 1092-1 | 525 | 420 | 150 | 355.6 | 56 | Type 11 - weld neck | 39 | Stainless steel | 350 | 0 | — | 16 | 12 | EN 1092-1 | X2CrNiMoN25-7-4 / 1.4410 | M36 | Type D - with groove | 97.8 |
|
| Stainless steel weld neck flange DN350 PN63 Type 11/D EN 1092-1 | 525 | 420 | 150 | 355.6 | 56 | Type 11 - weld neck | 39 | Stainless steel | 350 | 0 | — | 16 | 12 | EN 1092-1 | X1NiCrMoCuN25-20-7 / 1.4529 | M36 | Type D - with groove | 97.8 |
|
| Stainless steel weld neck flange DN350 PN63 Type 11/D EN 1092-1 | 525 | 420 | 150 | 355.6 | 56 | Type 11 - weld neck | 39 | Stainless steel | 350 | 0 | — | 16 | 12 | EN 1092-1 | X2CrNiMoN22-5-3 / 1.4462 | M36 | Type D - with groove | 97.8 |
|
| Stainless steel weld neck flange DN350 PN63 Type 11/D EN 1092-1 | 525 | 420 | 150 | 355.6 | 56 | Type 11 - weld neck | 39 | Stainless steel | 350 | 0 | — | 16 | 12 | EN 1092-1 | X1NiCrMoCu25-20-5 / 1.4539 | M36 | Type D - with groove | 97.8 |
|
| Stainless steel weld neck flange DN350 PN63 Type 11/D EN 1092-1 | 525 | 420 | 150 | 355.6 | 56 | Type 11 - weld neck | 39 | Stainless steel | 350 | 0 | — | 16 | 12 | EN 1092-1 | X1CrNiMoCuN20-18-7 / 1.4547 | M36 | Type D - with groove | 97.8 |
|
| Stainless steel weld neck flange DN350 PN63 Type 11/D EN 1092-1 | 525 | 420 | 150 | 355.6 | 56 | Type 11 - weld neck | 39 | Stainless steel | 350 | 0 | — | 16 | 12 | EN 1092-1 | X6CrNiNb18-10 / 1.4550 | M36 | Type D - with groove | 97.8 |
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| Stainless steel weld neck flange DN350 PN63 Type 11/D EN 1092-1 | 525 | 420 | 150 | 355.6 | 56 | Type 11 - weld neck | 39 | Stainless steel | 350 | 0 | — | 16 | 12 | EN 1092-1 | X6CrNiTiB18-10 / 1.4941 | M36 | Type D - with groove | 97.8 |
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