Siemens 331-4813 Damper Actuator Pneumatic Number 3, 8/13 PSI

The Siemens 331-4813 Pneumatic Damper Actuator is a high performance pneumatic actuator designed for the accurate positioning of dampers in HVAC systems. Being an actuator with the stroke length of 2-3/8” this model is designed for providing consistent and reliable performance in different types of the heating, ventilation, and air conditioning applications The actuator is designed to work in the spring range of 8-13 PSI and is powered by pneumatic pressure that enables its mechanical movement This type of the actuator is pneumatic that means that the change of the damper position is driven by In HVAC systems, the Siemens 331-4813 comes in handy in air handling units, ventilation systems and several other applications,