4" Horizontal/Vertical Mount Fire Damper 2634-12X8 Smoke-Fire Damper CB10 Engineering/Performance Data

CB10 Engineering/Performance Data

3-way register with stiffened 1/2" fan shaped louvers for silent operation

Standard Features * Designed for return or exhaust applications * 3/16" holes on 1/4" staggered centers * Heavy gauge steel * Seismic support holes * 1x2

904 - Double Deflection Adjustable Aluminum Blade Grille For a 30" x 30" Duct Opening (front blades parallel to shortest dimension)

Options * Sleeve variations h3

4" Horizontal/Vertical Mount Fire Damper 2634-12X8 Smoke-Fire Damper CB10 Engineering/Performance Datah3. 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