52CVS Thinline Type C Static Fire Damper (Sq./Rect.)
The Alumavent 52CVS is a Thinline 1-1/2 hour label static fire damper, UL/ULC approved for use in HVAC systems where fans automatically shut down in the event of a fire alarm. The reduced 2-1/8" depth makes it ideal for installation in narrow partitions where standard depth dampers cannot be accommodated. The Type C blade configuration positions the blades outside of the duct airflow path, and the interlocking curtain type blade design is suitable for use in fire separations with a fire resistance rating of 2 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 52CVS is UL/ULC certified for use as a 1-1/2 hour static fire damper in HVAC systems.
The 52CVS Thinline is designed for installation in fire-rated assemblies using square or rectangular ductwork where partition depth is limited, such as narrow stud walls and masonry partitions. At 2-1/8" deep, it offers a significantly shallower profile than the standard 51-series dampers while maintaining the same 1-1/2 hour fire rating. The Type C configuration locates the blades entirely outside of the duct airflow path, minimizing airflow resistance during normal system operation. The interlocking curtain blade closes under spring tension when the fusible link releases.
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