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2665 - Standard Frame 3 Hour Rated Curtain-type Round Fire Damper

Standard Features

  • Round curtain-type fire damper for vertical mount
  • 4 1/4" standard roll formed out-of-airstream frame
  • Designed for use in walls, floors and partitions with fire resistance ratings of 3 hours or less
  • UL listed and tested in accordance with UL Standard 555
  • 3 hour fire resistance rating
  • Building materials rated 4 hours or less
  • CSFM California State Fire Marshal listed
  • Interlocking steel roll-formed blade
  • Damper manufactured from corrosion tested galvanized mild steel (G-90)
  • 165° replaceable fusible link (#50)
  • Available in 4" through 52" round

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Finishes

No finishes available for this product.

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Comparing Products

Location
Mounting Direction
Frame Depth
Frame Depth
Fire Rating
In or Out of Airstream
Fire Damper Shape
Standard Blade Direction
Blade Type
Frame Material
Function
Standard Finish
Industry
Floor or Wall
Vertical or horizontal
4 1/4"
4 1/4"
1 1/2 Hour
Out
Round
N/A
Inter-locking steel roll-formed
Steel
Fire damper
Mill Finish
Fire rated
Floor or Wall
Vertical or horizontal
Varies by size
Varies by size
1 1/2 hour
In
True Round
N/A
Stainless steel curtain
Steel
Fire damper
Mill Finish
Fire rated
Wall
Vertical
4 1/4"
4 1/4"
3 Hour
In
Square or rectangular
Parallel to 1st dimension
Inter-locking steel roll-formed
Steel
Fire damper
Mill Finish
Fire rated
Wall
Vertical
4 1/4"
4 1/4"
3 Hour
Out
Square or rectangular
Parallel to 1st dimension
Inter-locking steel roll-formed
Steel
Fire damper
Mill Finish
Fire rated
Wall
Vertical
4 1/4"
4 1/4"
3 Hour
Out
Round
N/A
Inter-locking steel roll-formed
Steel
Fire damper
Mill Finish
Fire rated

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Product Series 
Shoemaker Series Notes 
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