Round 2-Blade Insulated Static Ceiling Radiation Damper

Quick Specs

Standard Depth: 3 27/32"

Minimum Panel Size: 11�" Diameter

Maximum Panel Size: 20" Diameter (314 in2)

Orientation: Horizontal

Frame Material:        One Piece 22 ga. Galvanized Steel

Blade Material:         22 ga. Galvanized Steel

Insulation: �" Thick Gypsum

Fusible Link: 165�F

Spring:           Extension Type

Finish:            Mill

Certifications: Underwriters Laboratories, Inc.: 555C, New York City MEA Listing #110-99-M, CA State Fire Marshal Listing #3226-1328:105

1 Hour Combustible Ceiling Assemblies

1 and 2 Hour Non-Combustible Ceiling Assemblies

UL Classified:           2 Hour or Less Fire Resistance


212�F Fusible Link

Thermal Blanket

Top Extension:         Total Frame Depth:

10�" for heights of 11�" - 16"

12�" for heights of 16�" - 20"

Bottom Extension: Total Frame Depth 5�"

Top & Bottom Extension: Total Frame Depth:

12⅞" for heights of 11�" - 16"

14⅞" for heights of 16�" - 20"


Customers Reviews

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