Valve Actuator, Non-Spring, 24V, Modulating, 2-10vdc, NC ZoneTight
Direct Coupled Actuator 360in-lb 24V Modulating 2-10 VDC Control Signal
Valve Actuator LRB24-SR 24V 2-10VDC Control Input Use On 1/2" to 1 1/4" Valves