Technical Specifications
| Parameter | Specification |
| Size | 1/2″ – 48″ (DN15 – DN1200) |
| Type | American Standard Welding Neck Flange (WN) |
| Pressure Class | 150#-2500# |
| Material | F304/F316L/F321/F904L/Duplex F51/F53/F55/Alloy 625/601/alloy825/N10276/N08800 |
| Sealing Face | RF/FF |
| Standard | ASME B16.5 |
Product Description
The American Standard Welding Neck Flange features a standard neck welding design that delivers exceptional structural strength and sealing performance. Widely used in oil, chemical, and power industries for high-pressure and high-temperature applications, it is particularly suitable for piping systems subjected to pressure fluctuations and temperature variations.
Key Advantages
✔ Exceptional Pressure Capacity – Reinforced neck design can withstand Class 2500 high-pressure conditions
✔ Outstanding Sealing Performance – Multiple sealing face options (RF/FF) ensure zero leakage
✔ Rigorous Standard Compliance – Fully manufactured to ASME B16.5 standards for superior quality