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) | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Weld neck flange DN600 PN16 Type 11/B1 EN 1092-1 | 770 | 670 | 88 | 610 | 40 | Type 11 - weld neck | 36 | Black | 600 | — | 20 | 12 | EN 1092-1 | 16Mo3 / 1.5415 | M33 | Type B - with connecting projection | 104 |
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| Weld neck flange DN600 PN16 Type 11/B1 EN 1092-1 | 770 | 670 | 88 | 610 | 40 | Type 11 - weld neck | 36 | Black | 600 | — | 20 | 12 | EN 1092-1 | P355NH / 1.0565 | M33 | Type B - with connecting projection | 104 |
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| Weld neck flange DN600 PN16 Type 11/B1 EN 1092-1 | 770 | 670 | 88 | 610 | 40 | Type 11 - weld neck | 36 | Black | 600 | — | 20 | 12 | EN 1092-1 | 12Ni14 / 1.5637 | M33 | Type B - with connecting projection | 104 |
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| Weld neck flange DN600 PN16 Type 11/B1 EN 1092-1 | 770 | 670 | 88 | 610 | 40 | Type 11 - weld neck | 36 | Black | 600 | — | 20 | 12 | EN 1092-1 | P355QH1 / 1.0571 | M33 | Type B - with connecting projection | 104 |
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| Weld neck flange DN600 PN16 Type 11/B1 EN 1092-1 | 770 | 670 | 88 | 610 | 40 | Type 11 - weld neck | 36 | Black | 600 | — | 20 | 12 | EN 1092-1 | P265GH / 1.0425 | M33 | Type B - with connecting projection | 104 |
|
| Weld neck flange DN600 PN16 Type 11/B1 EN 1092-1 | 770 | 670 | 88 | 610 | 40 | Type 11 - weld neck | 36 | Black | 600 | — | 20 | 12 | EN 1092-1 | P250GH / 1.0460 | M33 | Type B - with connecting projection | 104 |
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| Weld neck flange DN600 PN16 Type 11/B1 EN 1092-1 | 770 | 670 | 88 | 610 | 40 | Type 11 - weld neck | 36 | Black | 600 | — | 20 | 12 | EN 1092-1 | P245GH / 1.0352 | M33 | Type B - with connecting projection | 104 |
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| Weld neck flange DN600 PN16 Type 11/B1 EN 1092-1 | 770 | 670 | 88 | 610 | 40 | Type 11 - weld neck | 36 | Black | 600 | — | 20 | 12 | EN 1092-1 | P235GH / 1.0345 | M33 | Type B - with connecting projection | 104 |
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| Weld neck flange DN600 PN16 Type 11/B1 EN 1092-1 | 770 | 670 | 88 | 610 | 40 | Type 11 - weld neck | 36 | Black | 600 | — | 20 | 12 | EN 1092-1 | S355J2 / 1.0577 | M33 | Type B - with connecting projection | 104 |
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| Weld neck flange DN600 PN16 Type 11/B1 EN 1092-1 | 770 | 670 | 88 | 610 | 40 | Type 11 - weld neck | 36 | Black | 600 | — | 20 | 12 | EN 1092-1 | S235JR / 1.0038 | M33 | Type B - with connecting projection | 104 |
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