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 DN1800 PN16 Type 11/B1 EN 1092-1 | 2020 | 1870 | 218 | 1829 | 110 | Type 11 - weld neck | 56 | Stainless steel | 1800 | 0 | — | 44 | 16 | EN 1092-1 | X6CrNiMoTi17-12-2 / 1.4571 | M52 | Type B - with connecting projection | 929 |
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| Stainless steel weld neck flange DN1800 PN16 Type 11/B1 EN 1092-1 | 2020 | 1870 | 218 | 1829 | 110 | Type 11 - weld neck | 56 | Stainless steel | 1800 | 0 | — | 44 | 16 | EN 1092-1 | X2CrNiMo17-12-2 / 1.4404 | M52 | Type B - with connecting projection | 929 |
|
| Stainless steel weld neck flange DN1800 PN16 Type 11/B1 EN 1092-1 | 2020 | 1870 | 218 | 1829 | 110 | Type 11 - weld neck | 56 | Stainless steel | 1800 | 0 | — | 44 | 16 | EN 1092-1 | X5CrNiMo17-12-2 / 1.4401 | M52 | Type B - with connecting projection | 929 |
|
| Stainless steel weld neck flange DN1800 PN16 Type 11/B1 EN 1092-1 | 2020 | 1870 | 218 | 1829 | 110 | Type 11 - weld neck | 56 | Stainless steel | 1800 | 0 | — | 44 | 16 | EN 1092-1 | X6CrNi18-10 / 1.4948 | M52 | Type B - with connecting projection | 929 |
|
| Stainless steel weld neck flange DN1800 PN16 Type 11/B1 EN 1092-1 | 2020 | 1870 | 218 | 1829 | 110 | Type 11 - weld neck | 56 | Stainless steel | 1800 | 0 | — | 44 | 16 | EN 1092-1 | X2CrNi18-9 / 1.4307 | M52 | Type B - with connecting projection | 929 |
|
| Stainless steel weld neck flange DN1800 PN16 Type 11/B1 EN 1092-1 | 2020 | 1870 | 218 | 1829 | 110 | Type 11 - weld neck | 56 | Stainless steel | 1800 | 0 | — | 44 | 16 | EN 1092-1 | X2CrNi19-11 / 1.4306 | M52 | Type B - with connecting projection | 929 |
|
| Stainless steel weld neck flange DN1800 PN16 Type 11/B1 EN 1092-1 | 2020 | 1870 | 218 | 1829 | 110 | Type 11 - weld neck | 56 | Stainless steel | 1800 | 0 | — | 44 | 16 | EN 1092-1 | X5CrNi18-10 / 1.4301 | M52 | Type B - with connecting projection | 929 |
|
| Stainless steel weld neck flange DN50 CL2500 Type 11/E EN 1759-1 | 171.4 | 95 | 0 | 60.3 | 50.8 | Type 11 - weld neck | 28.6 | Stainless steel | 50 | 2500 | — | 8 | 9.5 | EN 1759-1 | X2CrNiMoN17-11-2 / 1.4401 | M27 | Type E - with a ledge | 17.44 |
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| Stainless steel weld neck flange DN50 CL2500 Type 11/E EN 1759-1 | 171.4 | 95 | 0 | 60.3 | 50.8 | Type 11 - weld neck | 28.6 | Stainless steel | 50 | 2500 | — | 8 | 9.5 | EN 1759-1 | X6CrNiMoTi17-12-2 / 1.4571 | M27 | Type E - with a ledge | 17.44 |
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| Stainless steel weld neck flange DN50 CL2500 Type 11/E EN 1759-1 | 171.4 | 95 | 0 | 60.3 | 50.8 | Type 11 - weld neck | 28.6 | Stainless steel | 50 | 2500 | — | 8 | 9.5 | EN 1759-1 | X2CrNiMo17-12-2 / 1.4404 | M27 | Type E - with a ledge | 17.44 |
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