Barber Colman 1/2" Normally Open Union Valve, 3-7 PSI (4.4 cv)

VB-7211 series stem up open, two-way valves control water from 20 to 281°F (-7 to 138°C) or steam to 281°F (138°C) maximum in heating or air conditioning systems. They are used for two-position or proportional control applications. Valve assemblies require an actuator and a valve linkage that must be purchased separately. Features Valve sizes 1/2" to 1-1/4" Equal percentage flow characteristics for two position or proportional control of water or steam 250 psig pressure rating per ANSI Standards (B16.15-1985) for cast bronze bodies Spring-loaded TFE packing Union end American Standard Taper Pipe Thread (NPT) connections