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331-2905 | Damper Actuator, Pneumatic, Number 4, 4" Stroke, 3-7 psi, Integral Pivot Mount | Siemens
This 331 Number 4 Pneumatic Damper Actuator 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 3 to 7 psi, integral pivot mounting and a replaceable diaphragm. This actuator has an air connection of 1/8" NPT female with a dual barb elbow fitting for 1/4" OD tubing.
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Documents and manuals
Siemens 331-2905 Documents
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
Overview
Details for 331-2905
Damper Actuator, Pneumatic, Number 4, 4" Stroke, 3-7 psi, Integral Pivot Mount
Specifications
- Pneumatic Model
- No. 4
- Spring Range
- 3-13 psi
- Ball Joint Connector
- NO
- Clevis
- NO
- Mounting Style
- Pivot
- Pivot
- YES
- Pneumatic Bracket
- NO
- Positioning Relay
- NO
- Stroke
- 4 in
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