The 4" 150# F304/304L ANSI RF W/N Flange S/40 from Merit Brass is a high-quality fitting designed for robust piping systems. Constructed from F304/304L stainless steel, it offers excellent corrosion resistance and strength. This flange is rated for 150 PSI and meets ANSI standards, ensuring compatibility with various applications. The raised face (RF) design allows for a secure seal, making it ideal for industrial and commercial use. This product is perfect for those seeking reliability and durability in their piping solutions.