3 Hour Rated 18" Round Ceiling Radiation Butterfly Damper, 165° Link

Item

2750-18

FEATURES

• Round ceiling radiation butterfly damper

• Designed for protection of ceiling openings in fire rated floor/ceiling assemblies with fire resistance ratings of 3 hours or less

• UL listed and tested in accordance with UL Standard 555C

• 3 hour fire resistance rating

• Building materials rated 3 hours or less

• CSFM California State Fire Marshal listed

• Zinc plated steel closure spring

• All steel parts with galvanized finish or zinc coating

• 22 gauge butterfly style galvanized steel blades

• 22 gauge galvanized steel roll formed frame

• Ceramic fiber blade insulation with fiberglass cover*

• 165° replaceable fusible link

• Available in 4" through 24" round

Specification
Fitting Size	18"

Safety Standards
California Prop 65	Yes

Weights and Dimensions
Operating Weight (lbs)	5
Exterior Dimensions (D) (inches)	18.000000
Exterior Dimensions (W) (inches)	18.000000
Exterior Dimensions (H) (inches)	10.000000
Shipping Weight (lbs)	5.000000