Belimo damper actuators are designed for use in a wide variety of HVAC applications ensuring performance, reliability and lower power consumption. With a comprehensive torque range (18 to 1400 in-lbs) suited for damper sizes as small as 6 inch round allowing the ability to direct mount on standard damper shafts or jackshafts. Actuators are suited for control dampers, air handlers, economizer units, VAV terminal units, fan coil units, fan shutters, and unit ventilators.