Siemens Pneumatic Damper Actuator
Qty: 1
Color: Black
Model #: 331-2909
This # 4 damper is a rugged, metal fabricated device that provides gradual or positive actuation of HVAC and fire/smoke dampers. This hesitation model actuator has a nominal spring range of 2 to 3 and 8 to 13 psi, integral pivot mounting and provides minimum ventilation without separate damper/actuator. This actuator has an air connection of 1/8" NPT female with a dual barb elbow fitting for 1/4" OD tubing.
Fair Condition (minor scratches/abrasions).
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