2-1/2 150 304 Half CouplingThe 2 1 2 150 304 Half Coupling is a pipe fitting designed to connect a pipe to a threaded or welded connection. Made from 304 stainless steel, this fitting provides superior corrosion resistance, high strength, and durability in various systems. Rated for 150 PSI pressure, this half coupling is commonly used in medium pressure applications and environments requiring corrosion resistant materials, including chemical processing, oil and gas, and