Technical Specifications
| Parameter | Specification |
| Size | DN10-DN4000 |
| Type | Welding Neck Flange (WN)/type11 |
| Pressure Class | PN10/PN16/PN25/PN40/PN63/PN100 |
| Material | F304/F316L/F321/F904L/Duplex F51/F53/F55/Alloy 625/601/alloy825/N10276/N08800 |
| Sealing Face | RF/FF |
| Standard | EN 1092-1 |
Product Description
The European Style Welding Neck Flange features a neck welding design that provides excellent structural strength and sealing performance. Widely used in oil, chemical, and power industries for high-pressure piping systems, especially suitable for operating conditions with high pressure and temperature variations.
Key Advantages
✔ High-strength Connection – Neck welding design ensures superior structural integrity
✔ Reliable Sealing – Multiple sealing face options (RF/FF) guarantee system tightness
✔ Wide Applicability – Pressure classes cover PN10 to PN100, meeting high-pressure requirements