297

Item:
#297

297

Round 2-Blade Insulated Static Ceiling Radiation Damper

Quick Specs

Standard Depth: 3 27/32"

Minimum Panel Size: 11¾" 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: ½" 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

Options

212°F Fusible Link

Thermal Blanket

Top Extension:         Total Frame Depth:

10½" for heights of 11¾" - 16"

12½" for heights of 16¾" - 20"

Bottom Extension: Total Frame Depth 5½"

Top & Bottom Extension: Total Frame Depth:

12⅞" for heights of 11¾" - 16"

14⅞" for heights of 16¾" - 20"

 

Customers Reviews

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