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SD34 Submittal Drawing
Fractional Sizes
Ceiling opening must be 4” larger in length and width than the nominal duct size
Available in 4" through 29" round
2" Round Horizontal/Vertical Mount Fire Damper 2550-10 Smoke-Fire Damper SD34 Submittal DrawingStandard 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
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US$ 170.00
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