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AC40-BRD Classic Back-draft Round Damper

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Details

Specifications

Standard Construction

Frame: 4” Deep 16 Ga. galvanized steel roll formed and welded double beaded for rigidity and spiral duct connections
Blades Type: Single blade 22 Ga. Galvanized Single “V” formed stiffener
Seals: Low leakage closed cell neoprene
Bearings: Non-metallic celcon
Axles: Zinc plated steel
Finish: Mill galvanized
Shaft: 1/2 inch round x 6” long zinc plated steel shaft extending 3 inches beyond the air control frame

Drawings

Optional Components

Extend Shaft: 4″ Beyond damper frame
Bearings: Bronze bearing
Material: Stainless steel construction