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 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 DN150 PN2,5 Type 11/B1 EN 1092-1 | 225 | 184 | 48 | 168.3 | 18 | Type 11 - weld neck | 18 | Stainless steel | 150 | — | 8 | 10 | EN 1092-1 | X6CrNiMoTi17-12-2 / 1.4571 | M16 | Type B - with connecting projection | 5.5 |
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| Stainless steel weld neck flange DN150 PN2,5 Type 11/B1 EN 1092-1 | 225 | 184 | 48 | 168.3 | 18 | Type 11 - weld neck | 18 | Stainless steel | 150 | — | 8 | 10 | EN 1092-1 | X2CrNiMo17-12-2 / 1.4404 | M16 | Type B - with connecting projection | 5.5 |
|
| Stainless steel weld neck flange DN150 PN2,5 Type 11/B1 EN 1092-1 | 225 | 184 | 48 | 168.3 | 18 | Type 11 - weld neck | 18 | Stainless steel | 150 | — | 8 | 10 | EN 1092-1 | X5CrNiMo17-12-2 / 1.4401 | M16 | Type B - with connecting projection | 5.5 |
|
| Stainless steel weld neck flange DN150 PN2,5 Type 11/B1 EN 1092-1 | 225 | 184 | 48 | 168.3 | 18 | Type 11 - weld neck | 18 | Stainless steel | 150 | — | 8 | 10 | EN 1092-1 | X6CrNi18-10 / 1.4948 | M16 | Type B - with connecting projection | 5.5 |
|
| Stainless steel weld neck flange DN150 PN2,5 Type 11/B1 EN 1092-1 | 225 | 184 | 48 | 168.3 | 18 | Type 11 - weld neck | 18 | Stainless steel | 150 | — | 8 | 10 | EN 1092-1 | X2CrNi18-9 / 1.4307 | M16 | Type B - with connecting projection | 5.5 |
|
| Stainless steel weld neck flange DN150 PN2,5 Type 11/B1 EN 1092-1 | 225 | 184 | 48 | 168.3 | 18 | Type 11 - weld neck | 18 | Stainless steel | 150 | — | 8 | 10 | EN 1092-1 | X2CrNi19-11 / 1.4306 | M16 | Type B - with connecting projection | 5.5 |
|
| Stainless steel weld neck flange DN150 PN2,5 Type 11/B1 EN 1092-1 | 225 | 184 | 48 | 168.3 | 18 | Type 11 - weld neck | 18 | Stainless steel | 150 | — | 8 | 10 | EN 1092-1 | X5CrNi18-10 / 1.4301 | M16 | Type B - with connecting projection | 5.5 |
|
| Stainless steel weld neck flange DN65 PN400 Type 11/Н EN 1092-1 | 225 | 158 | 135 | 101.6 | 64 | Type 11 - weld neck | 33 | Stainless steel | 65 | — | 8 | 6 | EN 1092-1 | X1CrNiMoCuN20-18-7 / 1.4547 | M30 | Type H - with gasket groove | 31.6 |
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| Stainless steel weld neck flange DN65 PN400 Type 11/Н EN 1092-1 | 225 | 158 | 135 | 101.6 | 64 | Type 11 - weld neck | 33 | Stainless steel | 65 | — | 8 | 6 | EN 1092-1 | X1NiCrMoCu25-20-5 / 1.4539 | M30 | Type H - with gasket groove | 31.6 |
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| Stainless steel weld neck flange DN65 PN400 Type 11/Н EN 1092-1 | 225 | 158 | 135 | 101.6 | 64 | Type 11 - weld neck | 33 | Stainless steel | 65 | — | 8 | 6 | EN 1092-1 | X1NiCrMoCuN25-20-7 / 1.4529 | M30 | Type H - with gasket groove | 31.6 |
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