Air Damper Actuator
Air Damper Actuator — part of the Pressure Differential Monitoring range. Holds the pressure difference between stairwell or vestibule and corridor in the 25–50 Pa band — enough to keep smoke out, low enough to open the door.
Air Damper Actuator — part of the Pressure Differential Monitoring range. Holds the pressure difference between stairwell or vestibule and corridor in the 25–50 Pa band — enough to keep smoke out, low enough to open the door.