Get your Special Pricing!

Web Price:

$234.53

Availability: This product is currently available to purchase

For Special pricing Log in

Orders over $999 ship FREE*

*Free shipping applies within the continental US and weighing less than 50 lbs. Shipping and Returns Terms

Ship to Estimates

Are you from Chicago?

Yes / No

This item ships to

Change

Cancel

*shipping cost are estimated until you complete your order

Speak With a Technical Expert

Hours: 9am - 5pm CDT M-F

Call (847) 773-0645 Email Technical Expert

Documents: 331-2974

Datasheet(Powers Controls No. 4 Pneumatic Damper. Technical Instructions)Datasheet(Pneumatic Damper Actuators Submittal Sheet)Datasheet(Powers Controls Maximum Thrust Ratings of Pneumatic Damper TB 181. Technical Bulletin)Assortment / System Descriptions(Powers Pneumatic Controls. Quick Reference Guide)Installation instruction(Powers Controls No. 4 Pneumatic Damper Installation Instructions) Installation Instructions More Info

331-2974 | Damper Actuator, Pneu No 4, 2-3/8" Stroke, Unit Ventilator Hesitation Model | Siemens

This 331 Number 4 Pneumatic Damper Actuator has a 2 3/8" stroke for unit ventilators and 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, is fixed bracket mounted 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.

Brand: SiemensSKU: 331-2974