Weld neck flanges
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| Name | Center distance of mounting holes, K (mm) | Collar diameter at base, N (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 DN65 CL2500 Type 11/CS EN 1759-1 | 196.8 | 114 | 73 | 57.1 | Type 11 - weld neck | 31.8 | Black | 65 | 2500 | — | 8 | 9.5 | EN 1759-1 | 13CrMo4-5 / 1.7335 | M30 | Type CS - with small tongue | 25.76 |
|
| Weld neck flange DN65 CL2500 Type 11/CS EN 1759-1 | 196.8 | 114 | 73 | 57.1 | Type 11 - weld neck | 31.8 | Black | 65 | 2500 | — | 8 | 9.5 | EN 1759-1 | 16Mo3 / 1.5415 | M30 | Type CS - with small tongue | 25.76 |
|
| Weld neck flange DN65 CL2500 Type 11/CS EN 1759-1 | 196.8 | 114 | 73 | 57.1 | Type 11 - weld neck | 31.8 | Black | 65 | 2500 | — | 8 | 9.5 | EN 1759-1 | P245GH / 1.0352 | M30 | Type CS - with small tongue | 25.76 |
|
| Weld neck flange DN65 CL2500 Type 11/CS EN 1759-1 | 196.8 | 114 | 73 | 57.1 | Type 11 - weld neck | 31.8 | Black | 65 | 2500 | — | 8 | 9.5 | EN 1759-1 | S235JR / 1.0038 | M30 | Type CS - with small tongue | 25.76 |
|
| Weld neck flange DN500 CL900 Type 11/DS EN 1759-1 | 749.3 | 622 | 508 | 108 | Type 11 - weld neck | 54 | Black | 500 | 900 | — | 20 | 11 | EN 1759-1 | P355NH / 1.0565 | M52x4 | Type DS - with small groove | 373.75 |
|
| Weld neck flange DN500 CL900 Type 11/DS EN 1759-1 | 749.3 | 622 | 508 | 108 | Type 11 - weld neck | 54 | Black | 500 | 900 | — | 20 | 11 | EN 1759-1 | 12Ni14 / 1.5637 | M52x4 | Type DS - with small groove | 373.75 |
|
| Weld neck flange DN500 CL900 Type 11/DS EN 1759-1 | 749.3 | 622 | 508 | 108 | Type 11 - weld neck | 54 | Black | 500 | 900 | — | 20 | 11 | EN 1759-1 | 11CrMo9-10 / 1.7383 | M52x4 | Type DS - with small groove | 373.75 |
|
| Weld neck flange DN500 CL900 Type 11/DS EN 1759-1 | 749.3 | 622 | 508 | 108 | Type 11 - weld neck | 54 | Black | 500 | 900 | — | 20 | 11 | EN 1759-1 | 13CrMo4-5 / 1.7335 | M52x4 | Type DS - with small groove | 373.75 |
|
| Weld neck flange DN500 CL900 Type 11/DS EN 1759-1 | 749.3 | 622 | 508 | 108 | Type 11 - weld neck | 54 | Black | 500 | 900 | — | 20 | 11 | EN 1759-1 | 16Mo3 / 1.5415 | M52x4 | Type DS - with small groove | 373.75 |
|
| Weld neck flange DN500 CL900 Type 11/DS EN 1759-1 | 749.3 | 622 | 508 | 108 | Type 11 - weld neck | 54 | Black | 500 | 900 | — | 20 | 11 | EN 1759-1 | P245GH / 1.0352 | M52x4 | Type DS - with small groove | 373.75 |
|
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