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Designed with a 2-3/8-inch (60 mm) stroke, the No. 3 Pneumatic Actuator is a rugged, metal-fabricated device that provides gradual or positive actuation of HVAC dampers. The actuator is available in a variety of spring ranges for energy optimizing and sequencing with other devices.

Recommended for control of mixing box dampers or air valves and damper control for unit ventilators, unit conditioners and small HVAC systems. The No. 3 Pneumatic Actuator is also available with 2-3/4-inch (70 mm) stroke in the three spring ranges.

  • 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
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Manuals (2)
Product Type:
Spring Range:
8 to 13 psi
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