4" Horizontal/Vertical Mount Fire Damper 2634-36X22 Smoke-Fire Damper CB Series 6X6 REVIT Files

CB Series 6X6 REVIT Files

Allows for 4-way airflow

Double deflection radius mount spiral pipe grille with adjustable blades

904 - Double Deflection Adjustable Aluminum Blade Grille For a 40" x 18" Duct Opening (front blades parallel to shortest dimension)

Fan shaped 1/2" spaced louvers

4" Horizontal/Vertical Mount Fire Damper 2634-36X22 Smoke-Fire Damper CB Series 6X6 REVIT Filesh3. 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