VB-7263 series single seat, stem up to close, two-way valves control water from 20 to 340°F (-7 to 171°C) or steam to 340°F (171°C) max. in heating or air conditioning systems. These valves have stainless steel trim with a Teflon® disc. They are used for twoposition or proportional control applications. Valve assemblies require an actuator and a valve linkage that must be purchased separately.