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 4" CL2500 RF ASME B16.5 | 273.1 | 165.1 | 228.6 | 355.6 | LWN - long weld neck | 41.3 | 101.6 | — | 100 | 2500 | 4" | 8 | 157.2 | ASME B16.5 | A182 Gr. F316 | — | RF - with connecting projection | 72.12 |
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| Stainless steel long weld neck flange 4" CL2500 RF ASME B16.5 | 273.1 | 165.1 | 228.6 | 355.6 | LWN - long weld neck | 41.3 | 101.6 | — | 100 | 2500 | 4" | 8 | 157.2 | ASME B16.5 | A182 Gr. F304L | — | RF - with connecting projection | 72.12 |
|
| Stainless steel long weld neck flange 4" CL2500 RF ASME B16.5 | 273.1 | 165.1 | 228.6 | 355.6 | LWN - long weld neck | 41.3 | 101.6 | — | 100 | 2500 | 4" | 8 | 157.2 | ASME B16.5 | A182 Gr. F304 | — | RF - with connecting projection | 72.12 |
|
| Stainless steel long weld neck flange 4" CL2500 RF ASME B16.5 | 273.1 | 165.1 | 228.6 | 355.6 | LWN - long weld neck | 41.3 | 101.6 | — | 100 | 2500 | 4" | 8 | 157.2 | ASME B16.5 | A182 Gr. F55 | — | RF - with connecting projection | 72.12 |
|
| Stainless steel long weld neck flange 4" CL2500 RF ASME B16.5 | 273.1 | 165.1 | 228.6 | 355.6 | LWN - long weld neck | 41.3 | 101.6 | — | 100 | 2500 | 4" | 8 | 157.2 | ASME B16.5 | A182 Gr. F53 | — | RF - with connecting projection | 72.12 |
|
| Stainless steel long weld neck flange 4" CL2500 RF ASME B16.5 | 273.1 | 165.1 | 228.6 | 355.6 | LWN - long weld neck | 41.3 | 101.6 | — | 100 | 2500 | 4" | 8 | 157.2 | ASME B16.5 | A182 Gr. F51 | — | RF - with connecting projection | 72.12 |
|
| Stainless steel long weld neck flange 4" CL2500 RF ASME B16.5 | 273.1 | 165.1 | 228.6 | 355.6 | LWN - long weld neck | 41.3 | 101.6 | — | 100 | 2500 | 4" | 8 | 157.2 | ASME B16.5 | A182 Gr. F44 | — | RF - with connecting projection | 72.12 |
|
| Stainless steel long weld neck flange 3 1/2" CL150 RJ ASME B16.5 | 177.8 | 122.2 | 228.6 | 215.9 | LWN - long weld neck | 19.1 | 88.9 | — | 90 | 150 | 3 1/2" | 8 | 139.7 | ASME B16.5 | A182 Gr. F60 | — | RJ - with gasket groove | 14.06 |
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| Stainless steel long weld neck flange 3 1/2" CL150 RJ ASME B16.5 | 177.8 | 122.2 | 228.6 | 215.9 | LWN - long weld neck | 19.1 | 88.9 | — | 90 | 150 | 3 1/2" | 8 | 139.7 | ASME B16.5 | A182 Gr. F55 | — | RJ - with gasket groove | 14.06 |
|
| Stainless steel long weld neck flange 3 1/2" CL150 RJ ASME B16.5 | 177.8 | 122.2 | 228.6 | 215.9 | LWN - long weld neck | 19.1 | 88.9 | — | 90 | 150 | 3 1/2" | 8 | 139.7 | ASME B16.5 | A182 Gr. F53 | — | RJ - with gasket groove | 14.06 |
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