4" Horizontal/Vertical Mount Fire Damper 2634-44X10 Specialty Products Standard Features * Radius flush

Standard Features * Radius flush style spiral mount diffuser * Single piece formed frame * Curved frame fits flush to spiral pipe * Single deflection * Nylon bushings for easy adjustment * Adjustable blades are parallel to shortest dimension * Available in 8" thru 36" spiral diameters (Note: spiral diameter must be 4" larger than register width) * Soft White Options * RS52-GALV - Single piece galvanized steel with formed frame * RS52-SC - Screwdriver operated air scoop * RS52 O - with recessed screwdriver operated opposed blade damper * Standard Color or Designer Color Finish available on this product

Options * MAR - Mounting Angle Ring (sold in pairs - 2 needed

055 T6 extruded aluminum surface mount supply diffuser * Four air patterns: CB10 - one way

PERFORMANCE DATA 907 Series Engineering/Performance Data

1550 Series Submittal

4" Horizontal/Vertical Mount Fire Damper 2634-44X10 Specialty Products Standard Features * Radius flushh3. Standard Features * 2633 Square or rectangular out of airstream fire damper for vertical mount only. * 2634 Square or rectangular Spring actuated (6) out of airstream fire damper for horizontal or vertical mount. * UL and California State Fire Marshall approved * 4 1 4" standard frame style * Maximum dimension 60w, 52h * Interlocking steel roll formed blade (3) with roll formed frames (1) * Blade lock (5) * Damper manufactured from corrosion