Siemens #3 Pneumatic Damper Actuator w/ Front Mount (5 to 10 psi)

The POWERS Controls No. 3 Pneumatic Damper Actuator is a compact, totally enclosed, rolling diaphragm-type actuator designed for modulating or two-position actuation of dampers or air valves. Typical applications are for control of mixing box dampers or air valves, and damper control for unit ventilators, unit conditioners and other HVAC applications. These compact, totally enclosed actuators are easily installed either directly within the mixing box or unit enclosure, or externally, as required for each application. Features: All metal body construction Totally enclosed to protect internal parts Variety of spring ranges for sequencing Fixed or pivot mounting models Pivot mounting for extended shaft Positioning relay (optional) Variety of mounting/linkage kits for special applications Threaded shaft for easy mounting to accessory thread