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AC30-BRD Spiral Duct Back-draft Round Damper
Details
Specifications
Standard Construction
Frame:6” Deep 22/20 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
