Description
This 331 Number 4 Pneumatic Damper Actuator with a ball joint connector is a rugged, metal-fabricated device that provides gradual or positive actuation of HVAC and fire/smoke dampers. This actuator has a nominal spring range of 8 to 13 psi, a fixed mounting plate and a replaceable diaphragm. This actuator has an air connection of 1/8″ NPT internal threads with a dual barb elbow fitting for 1/4″ OD tubing.
Documents Techniques
- 📄 45009 Powers Controls No. 4 Pneumatic Damper Technical en.pdf
- 📄 A6V10305297 Pneumatic Damper Submittal Sheet en.pdf
- 📄 A6V10305585 Powers Controls Maximum Thrust Ratings of Pneumat en.pdf
- 📄 A6V10218134 Powers Controls No. 4 Pneumatic Damper Installatio en.pdf
- 📄 A6V11476960 Powers Pneumatic Controls Quick Reference Guide en.pdf




