ASTM A105 Long Weld Neck Flange, ASME B16.5, 4 IN, CL300, RF

This ASTM A105 carbon steel long weld neck flange is manufactured in compliance with ASME B16.5 standards, featuring a 4-inch nominal size and Class 300 LB pressure rating. The flange has a raised face design with a wall thickness of 12.77 mm, ensuring structural integrity for high-pressure piping applications. Designed for butt welding connection to pipelines, it provides reliable performance in petroleum, chemical, and power generation systems.