The ASTM A105 Spectacle Blind Flange is a high-quality carbon steel flange designed for use in piping systems to isolate or block flow. Manufactured in compliance with ANSI B16.48 standards, it features a 20-inch diameter, a Pressure Class 150 LB rating, and a raised face for secure sealing. The flange is coated with a black anti-rust finish, ensuring durability and corrosion resistance.