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) | |
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Stainless steel weld neck flange DN40 PN100 Type 11/E EN 1092-1 | 125 | 70 | 62 | 48.3 | 26 | Type 11 - weld neck | 22 | Stainless steel | 40 | — | 4 | 6 | EN 1092-1 | X2CrNiMoN25-7-4 / 1.4410 | M20 | Type E - with a large protrusion | 4.07 |
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Stainless steel weld neck flange DN40 PN100 Type 11/E EN 1092-1 | 125 | 70 | 62 | 48.3 | 26 | Type 11 - weld neck | 22 | Stainless steel | 40 | — | 4 | 6 | EN 1092-1 | X2CrNiMoN22-5-3 / 1.4462 | M20 | Type E - with a large protrusion | 4.07 |
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Stainless steel weld neck flange DN40 PN100 Type 11/E EN 1092-1 | 125 | 70 | 62 | 48.3 | 26 | Type 11 - weld neck | 22 | Stainless steel | 40 | — | 4 | 6 | EN 1092-1 | X2CrNiMo17-12-2 / 1.4404 | M20 | Type E - with a large protrusion | 4.07 |
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Stainless steel weld neck flange DN40 PN100 Type 11/E EN 1092-1 | 125 | 70 | 62 | 48.3 | 26 | Type 11 - weld neck | 22 | Stainless steel | 40 | — | 4 | 6 | EN 1092-1 | X2CrNi18-9 / 1.4307 | M20 | Type E - with a large protrusion | 4.07 |
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Stainless steel weld neck flange DN40 PN100 Type 11/E EN 1092-1 | 125 | 70 | 62 | 48.3 | 26 | Type 11 - weld neck | 22 | Stainless steel | 40 | — | 4 | 6 | EN 1092-1 | X1NiCrMoCuN25-20-7 / 1.4529 | M20 | Type E - with a large protrusion | 4.07 |
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Stainless steel weld neck flange DN40 PN100 Type 11/E EN 1092-1 | 125 | 70 | 62 | 48.3 | 26 | Type 11 - weld neck | 22 | Stainless steel | 40 | — | 4 | 6 | EN 1092-1 | X1NiCrMoCu25-20-5 / 1.4539 | M20 | Type E - with a large protrusion | 4.07 |
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Stainless steel weld neck flange DN40 PN100 Type 11/E EN 1092-1 | 125 | 70 | 62 | 48.3 | 26 | Type 11 - weld neck | 22 | Stainless steel | 40 | — | 4 | 6 | EN 1092-1 | X1CrNiMoCuN20-18-7 / 1.4547 | M20 | Type E - with a large protrusion | 4.07 |
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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 | — | 44 | 16 | EN 1092-1 | X2CrNiMo18-15-4 / 1.4438 | 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 | — | 44 | 16 | EN 1092-1 | X8CrNi25-21/1.4845 | 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 | — | 44 | 16 | EN 1092-1 | X3CrNiMo17-13-3 / 1.4436 | M52 | Type B - with connecting projection | 929 |
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