53AVS Type A 3-Hour Static Fire Damper
The Alumavent 53AVS is a 3-hour label vertical mount static fire damper, UL/ULC approved for use in HVAC systems where fans automatically shut down in the event of a fire alarm. The Type A blade configuration locates the blades directly in the ductwork airflow path, and the interlocking curtain type blade design is suitable for use in vertical fire separations with a fire resistance rating of 4 hours or less.
Standard Construction
Custom configurations available
This product can be manufactured in alternative materials, sizes, and mounting options to meet your project requirements. Contact us to discuss specifications.
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Additional Notes
The 53AVS is UL/ULC certified for use as a 3-hour static fire damper in HVAC systems.
The 53AVS is designed for installation in vertical fire-rated wall and floor assemblies where the HVAC system fans shut down automatically on fire alarm activation. The 3-hour fire rating makes it suitable for fire separations requiring a higher level of protection than the 1-1/2 hour 51-series dampers, including fire walls and high fire resistance rated assemblies up to 4 hours. The Type A configuration positions the blades directly in the ductwork airflow path, and the interlocking curtain blade closes under spring tension when the fusible link releases.
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