Series N45B-EZ Water Pressure Reducing Valves are used in commercial and residential applications to reduce incoming water pressure for protection of plumbing system components and reduction of water consumption. It consists of a bronze body construction, integral stainless steel strainer, thermoplastic cage and seat, thermal expansion bypass, factory calibrated outlet pressure adjustment and easily adjustable pressure setting. The N45B-EZ Series is available with either double union threaded or solder end connections. Maximum Working Pressure: 300psi (21 bar), Adjustable Reduced Pressure Range: 25 to 75psi (172 to 517 kPa), Standard Pressure Setting: 50psi (345 kPa).