Series U5B-Z3 are similar to 25AUB-Z3 series but are high performance valves used in commercial, industrial & residential applications. They consist of a bronze body construction, integral stainless steel strainer replaceable seat module and optional thermal expansion bypass. Sizes 1-1/4" to 2" are supplied standard in Lead Free bronze. 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.