WN (Weld Neck) Flange — American Standard

🔹 Product Details

1. Standards & Specifications

Standard: ANSI / ASME (e.g., ASME B16.5, ASME B16.47)

Pressure Rating: Class 150, 300, 600, 900, 1500, 2500

Size Range: 1/2” to 48” (DN15–DN1200)

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

2. Materials

Carbon Steel: ASTM A105, A350 LF2

Stainless Steel: ASTM A182 F304, F316, F304L, F316L

Alloy Steel: ASTM A182 F11, F22, F5, F9

Other materials available upon request

3. Key Features

Long tapered hub for improved strength and reduced stress concentration

Butt-weld connection ensures high integrity and leak resistance

Suitable for extreme pressure and temperature conditions

Excellent mechanical performance and long service life

Ideal for critical and high-vibration applications

4. Applications

Oil & Gas pipelines

Petrochemical plants

Power generation facilities

Water treatment systems

Food & pharmaceutical processing industries

5. Surface Treatment & Inspection

Anti-rust oil coating, black painting, yellow painting, or galvanizing

NDT: UT, RT, MT, PT available upon request

Third-party inspection supported (SGS, BV, etc.)