The 4" Brass Threaded Swing Check Valve is a robust and reliable solution for controlling flow direction in plumbing and irrigation systems. Constructed from forged brass, this valve offers exceptional durability and corrosion resistance. With a temperature range of -20°F to 150°F and a pressure rating of 125 PSI, it is designed to handle a wide variety of applications. Its swing check mechanism ensures a one-way flow, preventing backflow and minimizing pressure loss, making it a perfect choice for residential, commercial, and agricultural systems.