2" Round Horizontal/Vertical Mount Fire Damper 2550-28 T-Bar AA-HVL Series Engineering/Performance Data

AA-HVL Series Engineering/Performance Data

Tool operated Opposed Blade Damper

Concealed mounting holes

Standard Features * Individually adjustable curved blade T-Bar lay in diffuser with concealed hinges * Hinged perforated face * Spring push release for easy access to adjust curved blades * 2x2 galvaneal steel panel with seismic support hangers * Round No Labor Collar sizes: 6-10"

2" Round Horizontal/Vertical Mount Fire Damper 2550-28 T-Bar AA-HVL Series Engineering/Performance DataStandard Features Spring actuated curtain type fire damper with 2 1 4" round connection for horizontal or vertical mount 2" thin line roll formed out of airstream frame Designed for use in walls, floors and partitions with fire resistance ratings of 2 hours or less (for ceiling application, see 2700 series) UL listed and tested in accordance with UL Standard 555 1 1 2 hour fire resistance rating Building materials rated 2 hours or less CSFM California