VB-7221 Series 1/2” to 1-1/4” Union End (Straightway) NPT Stem Up Closed (Normally Closed) Two-Way Valves
VB-7221 series single seat, stem up closed, 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.