Description
The Johnson Controls VA-7700-GGA-2 return proportional valve actuator that enables fine control in HVAC systems. This actuator varies the valve opening according to a control signal ordinarily within the range of 0 – 10V or 4 – 20mA to vary the flow of water or other fluid. This is well suited to heating and cooling applications because it can more accurately moderate temperature and control the utilization of energy that enhances the efficiency of the application. This is because its non-spring return design makes it easier to maintain since it will provide the required performance without the additional springs.
