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331-4821 | No. 3 Pneumatic Actuator, 8-13 psi, Extended Shaft Mounting, 2-3/4-inch Stroke | Siemens
This 331 Number 3 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 8 to 13 psi.
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Documents and manuals
Siemens 331-4821 Documents
Datasheet(Powers Controls No. 3 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) More Info
Overview
Details for 331-4821
No. 3 Pneumatic Actuator, 8-13 psi, Extended Shaft Mounting, 2-3/4-inch Stroke
Specifications
- Actuator Type
- Pneumatic
- Pneumatic Model
- No. 3
- Spring Range
- 8-13 psi
- Ball Joint Connector
- NO
- Clevis
- NO
- Mounting Style
- Extended Shaft
- Pivot
- YES
- Pneumatic Bracket
- NO
- Positioning Relay
- NO
- Stroke
- 2-3/4 in
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