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 DN65 PN320 Type 11/E EN 1092-1 | 200 | 138 | 120 | 88.9 | 51 | Type 11 - weld neck | 30 | Stainless steel | 65 | 0 | — | 8 | 6 | EN 1092-1 | X1CrNiMoCuN20-18-7 / 1.4547 | M27 | Type E - with a large protrusion | 19.5 |
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| Stainless steel weld neck flange DN125 CL600 Type 11/J EN 1759-1 | 266.7 | 189 | 0 | 141.3 | 44.4 | Type 11 - weld neck | 28.6 | Stainless steel | 125 | 600 | — | 8 | 6.5 | EN 1759-1 | X2CrNiMoN17-11-2 / 1.4401 | M27 | Type J - gasketed | 30.39 |
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| Stainless steel weld neck flange DN125 CL600 Type 11/J EN 1759-1 | 266.7 | 189 | 0 | 141.3 | 44.4 | Type 11 - weld neck | 28.6 | Stainless steel | 125 | 600 | — | 8 | 6.5 | EN 1759-1 | X6CrNiMoTi17-12-2 / 1.4571 | M27 | Type J - gasketed | 30.39 |
|
| Stainless steel weld neck flange DN125 CL600 Type 11/J EN 1759-1 | 266.7 | 189 | 0 | 141.3 | 44.4 | Type 11 - weld neck | 28.6 | Stainless steel | 125 | 600 | — | 8 | 6.5 | EN 1759-1 | X2CrNiMo17-12-2 / 1.4404 | M27 | Type J - gasketed | 30.39 |
|
| Stainless steel weld neck flange DN125 CL600 Type 11/J EN 1759-1 | 266.7 | 189 | 0 | 141.3 | 44.4 | Type 11 - weld neck | 28.6 | Stainless steel | 125 | 600 | — | 8 | 6.5 | EN 1759-1 | X6CrNiTi18-10 / 1.4541 | M27 | Type J - gasketed | 30.39 |
|
| Stainless steel weld neck flange DN125 CL600 Type 11/J EN 1759-1 | 266.7 | 189 | 0 | 141.3 | 44.4 | Type 11 - weld neck | 28.6 | Stainless steel | 125 | 600 | — | 8 | 6.5 | EN 1759-1 | X2CrNi18-9 / 1.4307 | M27 | Type J - gasketed | 30.39 |
|
| Stainless steel weld neck flange DN125 CL600 Type 11/J EN 1759-1 | 266.7 | 189 | 0 | 141.3 | 44.4 | Type 11 - weld neck | 28.6 | Stainless steel | 125 | 600 | — | 8 | 6.5 | EN 1759-1 | X5CrNi18-10 / 1.4301 | M27 | Type J - gasketed | 30.39 |
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| Weld neck flange DN20 CL600 Type 11/CL EN 1759-1 | 82.6 | 48 | 0 | 26.7 | 15.9 | Type 11 - weld neck | 19 | Black | 20 | 600 | — | 4 | 3 | EN 1759-1 | P355NH / 1.0565 | M16 | Type CL - with large tongue | 1.49 |
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| Weld neck flange DN20 CL600 Type 11/CL EN 1759-1 | 82.6 | 48 | 0 | 26.7 | 15.9 | Type 11 - weld neck | 19 | Black | 20 | 600 | — | 4 | 3 | EN 1759-1 | 12Ni14 / 1.5637 | M16 | Type CL - with large tongue | 1.49 |
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| Weld neck flange DN20 CL600 Type 11/CL EN 1759-1 | 82.6 | 48 | 0 | 26.7 | 15.9 | Type 11 - weld neck | 19 | Black | 20 | 600 | — | 4 | 3 | EN 1759-1 | 11CrMo9-10 / 1.7383 | M16 | Type CL - with large tongue | 1.49 |
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