Description
Schneider Electric (Barber Colman) M323A01 Proportional spring return a normally closed valve actuator with a 10’ cable for convenient cable connection 24V. It is used for precise control of the valve position in HVAC systems and it adjusts the valve position according to a proportional control signal for heating or cooling. It is mostly installed in air handling units, fan coil units and VAV boxes to improve the performance of the system by regulating the temperature and energy output. The spring return feature means that the control valve can provide fail-close function to enhance the system safety during power failure.
