Series 25AUB-Z3 valves are used in commercial and residential applications to reduce incoming water pressure for protection of plumbing system components and to reduce water consumption. They consist of a bronze body construction, union inlet connection, integral stainless steel strainer and high temperature resistant reinforced diaphragm for hot water. These valves come standard with female NPT ends, however, they are available with a variety of end connections. Maximum working pressure 300psi, they have an adjustable reduced pressure range of 25 to 75psi with a standard pressure setting of 50psi.