The 4"X3" 150# FS RED THRD FLG RF from Service Metal Products is a reliable threaded flange designed for high-pressure applications. Made from high-quality materials, this flange offers exceptional durability and corrosion resistance. With a pressure rating of 150#, it is suitable for a wide range of industrial uses. The raised face (RF) design enhances sealing capabilities, ensuring leak-proof connections. Its dimensions are compatible with standard piping systems, and it adheres to industry standards for safety and performance.