Weld Neck Flange
Product Description
A Weld Neck Flange has a long tapered hub and is butt-welded to the pipe, offering superior strength, stress distribution, and leak-proof performance. It is preferred for high-pressure, high-temperature, and critical service applications.
Key Features:
Tapered hub minimizes stress
Strong, long-lasting weld joint
Ideal for vibration, thermal cycling, and hazardous media
Leak-proof and highly reliable
Specifications:
Sizes: ½” to 48” NB
Pressure Ratings: ANSI 150–2500, DIN PN 10–40, ND-6–40
Facing: RF, RTJ, FF
Standards: ASME B16.5/B16.47, DIN, JIS, BS, EN 1092-1, IS 6392
Materials: CS (A105, LF2), SS 304/316/321, MS, Alloy Steel (F11/F22/F91), Duplex/Super Duplex, GI-coated
Quality: Visual/dimensional checks, hydro/pneumatic tests, PMI, MTC 3.1/3.2, TPI & IBR on request
Applications: Oil & gas, petrochemicals, steam lines, refineries, power plants, offshore, chemical & pharma processing.