This Weld Neck Raised Face (WNRF) Pipe Flange is manufactured in strict compliance with ASME B16.5 and ASTM A105N standards, forged from high-quality carbon steel for reliable high-pressure piping system connections. Designed with a long tapered hub and raised face sealing surface, it delivers exceptional structural strength and leak-tight performance for heavy-duty industrial applications.
| Parameter | Value |
|---|---|
| Flange Type | Weld Neck Raised Face (WNRF) |
| Nominal Size | DN 400 (NPS 16) |
| Pressure Class | Class 600 |
| Pipe Schedule | SCH 60 |
| Material | Carbon Steel (CS) |
| Material Standard | ASTM A105N |
| Dimensional Standard | ASME B16.5 |
| Outside Diameter | 686 mm |
| Raised Face Diameter | 603.3 mm |
| Bore Diameter | 41.1 mm (matching SCH 60 pipe wall) |
| Number of Bolt Holes | 20 |
| Sealing Surface | Raised Face (RF) |
This WNRF carbon steel flange is widely used in heavy-duty industrial piping systems, including oil and gas transmission, chemical processing, power generation, water treatment, petrochemical plants, and general industrial fluid handling systems. It is ideal for high-pressure, high-temperature piping connections where structural integrity and leak-tight performance are critical.