Schneider Electric (Barber Colman) MK-3141 Pneumatic Damper Actuator
The Schneider Electric (Barber Colman) MK-3141 pneumatic damper actuator is a reliable HVAC control device designed to regulate airflow in ventilation systems. Operating on a 3–13 PSI signal, it converts air pressure into precise mechanical motion, providing an adjustable 2" to 4" stroke for accurate damper positioning. Commonly used in air handling units, VAV systems, and duct applications, it ensures efficient airflow control.