Honeywell 1/2" NPT Male Union Two-Way Unitary Valve (.63 Cv)

Normally-open, single-seated pneumatic radiator valve with straight through or angle body construction provides proportional control of two-pipe, hot water or steam systems. Replacement devices are available for Johnson, Powers, Robertshaw, Barber-Colman, and older Honeywell devices. Features Available in several capacities and spring ranges for various application requirements. Easily replaceable actuator assembly for convenience of service. Compact size for installation where space is limited. Can be repacked without shutting down system.