Weld neck flanges
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| Name | Center distance of mounting holes, W (mm) | Collar diameter at base, X (mm) | Flange height, Y (mm) | Flange outer diameter, D (mm) | Flange type | Hole diameter, BH (mm) | Inner diameter of flange, B (mm) | Material | Nominal diameter, DN | Nominal pressure, Class | Nominal size, NPS (inch) | Number of holes, BN | Pressure surface diameter, R (mm) | Standard | Steel grade | Thread | Type of connecting surface | Weight 1 pc (kg) | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Stainless steel long weld neck flange 3" CL2500 RF ASME B16.5 | 228.6 | 133.3 | 228.6 | 304.8 | LWN - long weld neck | 34.9 | 76.2 | — | 80 | 2500 | 3" | 8 | 127 | ASME B16.5 | A182 Gr. F51 | — | RF - with connecting projection | 44 |
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| Stainless steel long weld neck flange 3" CL2500 RF ASME B16.5 | 228.6 | 133.3 | 228.6 | 304.8 | LWN - long weld neck | 34.9 | 76.2 | — | 80 | 2500 | 3" | 8 | 127 | ASME B16.5 | A182 Gr. F44 | — | RF - with connecting projection | 44 |
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| Stainless steel long weld neck flange 1/2" CL1500 RF ASME B16.5 | 82.6 | 38.1 | 228.6 | 120.6 | LWN - long weld neck | 22.2 | 12.7 | — | 15 | 1500 | 1/2" | 4 | 34.9 | ASME B16.5 | A182 Gr. F321H | — | RF - with connecting projection | 6.8 |
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| Stainless steel long weld neck flange 1/2" CL1500 RF ASME B16.5 | 82.6 | 38.1 | 228.6 | 120.6 | LWN - long weld neck | 22.2 | 12.7 | — | 15 | 1500 | 1/2" | 4 | 34.9 | ASME B16.5 | A182 Gr. F304H | — | RF - with connecting projection | 6.8 |
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| Stainless steel long weld neck flange 1/2" CL1500 RF ASME B16.5 | 82.6 | 38.1 | 228.6 | 120.6 | LWN - long weld neck | 22.2 | 12.7 | — | 15 | 1500 | 1/2" | 4 | 34.9 | ASME B16.5 | A182 Gr. F60 | — | RF - with connecting projection | 6.8 |
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| Stainless steel long weld neck flange 1/2" CL1500 RF ASME B16.5 | 82.6 | 38.1 | 228.6 | 120.6 | LWN - long weld neck | 22.2 | 12.7 | — | 15 | 1500 | 1/2" | 4 | 34.9 | ASME B16.5 | A182 Gr. F904L | — | RF - with connecting projection | 6.8 |
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| Stainless steel long weld neck flange 1/2" CL1500 RF ASME B16.5 | 82.6 | 38.1 | 228.6 | 120.6 | LWN - long weld neck | 22.2 | 12.7 | — | 15 | 1500 | 1/2" | 4 | 34.9 | ASME B16.5 | A182 Gr. F347 | — | RF - with connecting projection | 6.8 |
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| Stainless steel long weld neck flange 1/2" CL1500 RF ASME B16.5 | 82.6 | 38.1 | 228.6 | 120.6 | LWN - long weld neck | 22.2 | 12.7 | — | 15 | 1500 | 1/2" | 4 | 34.9 | ASME B16.5 | A182 Gr. F321 | — | RF - with connecting projection | 6.8 |
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| Stainless steel long weld neck flange 1/2" CL1500 RF ASME B16.5 | 82.6 | 38.1 | 228.6 | 120.6 | LWN - long weld neck | 22.2 | 12.7 | — | 15 | 1500 | 1/2" | 4 | 34.9 | ASME B16.5 | A182 Gr. F316Ti | — | RF - with connecting projection | 6.8 |
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| Stainless steel long weld neck flange 1/2" CL1500 RF ASME B16.5 | 82.6 | 38.1 | 228.6 | 120.6 | LWN - long weld neck | 22.2 | 12.7 | — | 15 | 1500 | 1/2" | 4 | 34.9 | ASME B16.5 | A182 Gr. F316L | — | RF - with connecting projection | 6.8 |
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