Spring Return Direct Coupled Actuators (DCA) are used within heating, ventilating, and air conditioning (HVAC) systems. They can drive a variety of quarter-turn, final control elements requiring spring return fail-safe operation.
Volume control dampers, mounted directly to the drive shaft or remotely (with the use of accessory hardware)|Quarter-turn rotary valves, such as ball or butterfly valves mounted directly to the drive shaft|Linear stroke globe or cage valves mounted with linkages to provide linear actuation
Honeywell Damper Actuator, 2-Position Spring Return SPST, 24 VAC/VDC, 5 N-m, 45 s Motor Timing, Direct Coupled Mount, Plastic, 3-7/8 in W x 3-1/8 in D x 7 in H, Import