Schneider Electric (Barber Colman) MK-4451 Dual Range Damper Actuator 3-6 & 9-12 PSIG

Schneider Electric (Barber Colman) MK-4451 Dual-Range Damper Actuator for HVAC systems with accurate control, which works in the pressure ranges of 3-6 and 9-12 PSIG. This pneumatic actuator adjusts damper positions according to control air pressure to provide better airflow in systems like air handling units, VAV boxes and exhaust systems. Its dual-range functionality makes it possible to integrate it flexibly into different pneumatic control strategies. It increases energy efficiency and indoor air-quality by providing accurate, durable damper movement necessary for balanced, conditional control.