WNRF FLANGE WELD NECK

The WNRF flange (Weld Neck Raised Face) is a high-integrity pipe flange designed for critical and high-pressure piping systems. It features a long tapered hub that provides excellent stress distribution through the neck and into the pipe, making it suitable for extreme conditions such as high temperature, high pressure, and fluctuating loads.

These flanges are available in all standard sizes (½” to 48″) and various grades of stainless steel, including 304, 304L, 316, 316L, 321, 347, and duplex grades like 2205, 2507, and super austenitic grades.

Key Features:

• 🔩 Type: Weld Neck Raised Face (WNRF) Flange

• 📐 Sizes: ½” to 48″ (DN15–DN1200) or customized

• 🔧 Pressure Ratings: ANSI/ASME Class 150, 300, 600, 900, 1500, 2500

• 🧪 Grades: SS 304, 304L, 316, 316L, 321, 347, 310S, 904L, Duplex 2205, Super Duplex 2507, etc.

• 🛠️ Standards: ASME B16.5, B16.47, DIN, BS, EN, ISO, JIS

• 🔗 Face Type: Raised Face (RF), Flat Face (FF), Ring Type Joint (RTJ)

• 🧱 Connection: Butt-welded to pipe for strong and leak-proof joint

• ⚙️ Surface Finish: Smooth machined face (Ra 3.2 μm typical)

• 🔒 Applications: Oil & gas, petrochemical, marine, food processing, power plants, and water treatment systems