4" Round Vertical Mount Fire Damper 2649-18 Commercial RS34 Series Engineering/Performance Data

RS34 Series Engineering/Performance Data

Nylon bushings on adjustable blades to prevent metal on metal rattle

Spiral pipe diameter must be 4” larger than the width of the grille

Center margins are mounted on the backside of the grille for a streamlined continuous look

Options 14 GA 304 SS Construction

4" Round Vertical Mount Fire Damper 2649-18 Commercial RS34 Series Engineering/Performance Datah3. Standard Features * 2649 Round damper for vertical mount only. Available 4" thru 52" round. * 2650 Round spring actuated (6) damper for vertical or horizontal mount. Available 4" thru 52" round. * UL and California State Fire Marshall approved * 4 1 4" standard frame style * Interlocking steel roll formed blade (3) with roll formed frames (1) * Blade lock (5) * Damper manufactured from corrosion tested galvanized mild steel (G 90) * Self locking