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 2 1/2" CL300 RF ASME B16.5 | 149.4 | 100.1 | 228.6 | 190.5 | LWN - long weld neck | 22.2 | 63.5 | — | 65 | 300 | 2 1/2" | 8 | 104.8 | ASME B16.5 | A182 Gr. F51 | — | RF - with connecting projection | 12.7 |
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| Stainless steel long weld neck flange 2 1/2" CL300 RF ASME B16.5 | 149.4 | 100.1 | 228.6 | 190.5 | LWN - long weld neck | 22.2 | 63.5 | — | 65 | 300 | 2 1/2" | 8 | 104.8 | ASME B16.5 | A182 Gr. F44 | — | RF - with connecting projection | 12.7 |
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| Stainless steel long weld neck flange 8" CL300 RJ ASME B16.5 | 330.2 | 260.3 | 304.8 | 381 | LWN - long weld neck | 25.4 | 203.2 | — | 200 | 300 | 8" | 12 | 269.9 | ASME B16.5 | A182 Gr. F60 | — | RJ - with gasket groove | 68.04 |
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| Stainless steel long weld neck flange 8" CL300 RJ ASME B16.5 | 330.2 | 260.3 | 304.8 | 381 | LWN - long weld neck | 25.4 | 203.2 | — | 200 | 300 | 8" | 12 | 269.9 | ASME B16.5 | A182 Gr. F55 | — | RJ - with gasket groove | 68.04 |
|
| Stainless steel long weld neck flange 8" CL300 RJ ASME B16.5 | 330.2 | 260.3 | 304.8 | 381 | LWN - long weld neck | 25.4 | 203.2 | — | 200 | 300 | 8" | 12 | 269.9 | ASME B16.5 | A182 Gr. F53 | — | RJ - with gasket groove | 68.04 |
|
| Stainless steel long weld neck flange 8" CL300 RJ ASME B16.5 | 330.2 | 260.3 | 304.8 | 381 | LWN - long weld neck | 25.4 | 203.2 | — | 200 | 300 | 8" | 12 | 269.9 | ASME B16.5 | A182 Gr. F51 | — | RJ - with gasket groove | 68.04 |
|
| Stainless steel long weld neck flange 8" CL300 RJ ASME B16.5 | 330.2 | 260.3 | 304.8 | 381 | LWN - long weld neck | 25.4 | 203.2 | — | 200 | 300 | 8" | 12 | 269.9 | ASME B16.5 | A182 Gr. F44 | — | RJ - with gasket groove | 68.04 |
|
| Stainless steel long weld neck flange 8" CL300 RJ ASME B16.5 | 330.2 | 260.3 | 304.8 | 381 | LWN - long weld neck | 25.4 | 203.2 | — | 200 | 300 | 8" | 12 | 269.9 | ASME B16.5 | A182 Gr. F347 | — | RJ - with gasket groove | 68.04 |
|
| Stainless steel long weld neck flange 8" CL300 RJ ASME B16.5 | 330.2 | 260.3 | 304.8 | 381 | LWN - long weld neck | 25.4 | 203.2 | — | 200 | 300 | 8" | 12 | 269.9 | ASME B16.5 | A182 Gr. F321H | — | RJ - with gasket groove | 68.04 |
|
| Stainless steel long weld neck flange 8" CL300 RJ ASME B16.5 | 330.2 | 260.3 | 304.8 | 381 | LWN - long weld neck | 25.4 | 203.2 | — | 200 | 300 | 8" | 12 | 269.9 | ASME B16.5 | A182 Gr. F321 | — | RJ - with gasket groove | 68.04 |
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