Technical Specifications
| Parameter | Specification |
| Size | 1/2″ – 48″ (DN15 – DN1200) |
| Type | American Standard Welding Neck Flange (WN) |
| Pressure Class | Class 150/300/600/900/1500/2500 |
| Material | A182 F304/F316L/F321/F904L/Duplex F51/F53/Ni600/Ni200 |
| Sealing Face | RF/FF |
| Standard | ASME B16.5 |
Product Description
The American Standard Welding Neck Flange features an extended neck design that significantly enhances connection strength and sealing reliability. Engineered for high-pressure and high-temperature applications, it is widely used in critical piping systems across oil, chemical, and power industries.
Key Advantages
✔ Exceptional Pressure Capacity – Extended neck design increases structural strength to withstand higher operating pressures
✔ Outstanding Sealing Performance – Multiple sealing face options (RF/FF) ensure zero leakage system performance
✔ Rigorous Standard Compliance – Manufactured strictly to ASME B16.5 standards for guaranteed quality