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 CL300 Type 11/CL EN 1759-1 | 149.2 | 100 | 0 | 73 | 25.4 | Type 11 - weld neck | 22.2 | Stainless steel | 65 | 300 | — | 8 | 3 | EN 1759-1 | X6CrNiTi18-10 / 1.4541 | M20 | Type CL - with large tongue | 5.39 |
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| Stainless steel weld neck flange DN65 CL300 Type 11/CL EN 1759-1 | 149.2 | 100 | 0 | 73 | 25.4 | Type 11 - weld neck | 22.2 | Stainless steel | 65 | 300 | — | 8 | 3 | EN 1759-1 | X2CrNi18-9 / 1.4307 | M20 | Type CL - with large tongue | 5.39 |
|
| Stainless steel weld neck flange DN65 CL300 Type 11/CL EN 1759-1 | 149.2 | 100 | 0 | 73 | 25.4 | Type 11 - weld neck | 22.2 | Stainless steel | 65 | 300 | — | 8 | 3 | EN 1759-1 | X5CrNi18-10 / 1.4301 | M20 | Type CL - with large tongue | 5.39 |
|
| Weld neck flange DN80 PN6 Type 11/B1 EN 1092-1 | 150 | 102 | 42 | 88.9 | 16 | Type 11 - weld neck | 18 | Black | 80 | 0 | — | 4 | 8 | EN 1092-1 | P355NL2 / 1.1106 | M16 | Type B - with connecting projection | 2.88 |
|
| Weld neck flange DN80 PN6 Type 11/B1 EN 1092-1 | 150 | 102 | 42 | 88.9 | 16 | Type 11 - weld neck | 18 | Black | 80 | 0 | — | 4 | 8 | EN 1092-1 | P280GH / 1.0426 | M16 | Type B - with connecting projection | 2.88 |
|
| Weld neck flange DN80 PN6 Type 11/B1 EN 1092-1 | 150 | 102 | 42 | 88.9 | 16 | Type 11 - weld neck | 18 | Black | 80 | 0 | — | 4 | 8 | EN 1092-1 | X10CrMoVNb9-1 / 1.4903 | M16 | Type B - with connecting projection | 2.88 |
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| Weld neck flange DN80 PN6 Type 11/B1 EN 1092-1 | 150 | 102 | 42 | 88.9 | 16 | Type 11 - weld neck | 18 | Black | 80 | 0 | — | 4 | 8 | EN 1092-1 | 11CrMo9-10 / 1.7383 | M16 | Type B - with connecting projection | 2.88 |
|
| Weld neck flange DN80 PN6 Type 11/B1 EN 1092-1 | 150 | 102 | 42 | 88.9 | 16 | Type 11 - weld neck | 18 | Black | 80 | 0 | — | 4 | 8 | EN 1092-1 | 13CrMo4-5 / 1.7335 | M16 | Type B - with connecting projection | 2.88 |
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| Weld neck flange DN80 PN6 Type 11/B1 EN 1092-1 | 150 | 102 | 42 | 88.9 | 16 | Type 11 - weld neck | 18 | Black | 80 | 0 | — | 4 | 8 | EN 1092-1 | 16Mo3 / 1.5415 | M16 | Type B - with connecting projection | 2.88 |
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| Weld neck flange DN80 PN6 Type 11/B1 EN 1092-1 | 150 | 102 | 42 | 88.9 | 16 | Type 11 - weld neck | 18 | Black | 80 | 0 | — | 4 | 8 | EN 1092-1 | P355NH / 1.0565 | M16 | Type B - with connecting projection | 2.88 |
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