Siemens 331-4310 Damper Actuator Pneumatic

Siemens 331-4310 Damper Actuator Pneumatic,
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.

Applications
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.
For more information, contact your local Siemens Building
Technologies representative.