The 4" Cast Carbon Steel Flanged Class 300 by Keckley is a high-performance flange designed for demanding applications. Constructed from durable cast carbon steel, it offers excellent strength and resistance to high pressures. With a Class 300 rating, this flange is suitable for various industrial piping systems, ensuring secure connections and leak-free operation. Its standard dimensions facilitate easy installation and compatibility with other fittings. Ideal for use in oil, gas, and water transport, this flange meets industry standards for quality and safety.