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SD52 Series Performance Data
Spiral pipe diameter must be 4” larger than Height of the duct opening
Extruded aluminum frame with steel roll formed blades and steel multi-shutter damper
Center margins are mounted on the backside of the grille for a streamlined continuous look
915 Series Submittal
Architectural Lattice Grilles 1301-46x36 Finish:DarkBronze SD52 Series Performance DataStandard Features 1 rim size (2 larger than nominal duct size order size) 14 gauge steel construction Countersunk mounting holes for a flush appearance 1 27 32 x 11 32 slots. 5 32 crossbars, with 75% free area Options 14 GA 304 SS Construction Fractional Sizes Tamper proof Screws *Pricing is based on standard 14 GA steel construction. Please contact us for a quote on options. tony@registers direct. com
