The ASTM A182 F321 Weld Neck Flange is a forged stainless steel SS 321 product, designed for reliable performance in demanding applications. With a diameter of 2 inches (DN50) and a Class 150 LB rating (PN20), it features a wall thickness of SCH 160 and a raised face, ensuring optimal sealing and strength. This flange is suitable for a variety of piping systems, providing excellent corrosion resistance and durability.