4 1/4" Horizontal/Vertical Mount Fire Damper 2602-48X40 past 12 months 14" and 16" * Perforated

14" and 16" * Perforated face with concealed hinges * 2x2 galvaneal steel panel with seismic support hangers * Soft White Options * Field installable Bowtie Damper (BD) (sizes 6-14") * 780 OR - factory installed opposed radial damper (sizes 6"-14") * 780 FR - U

1600 Series Engineering/Performance Data

Heavy gauge steel construction

Performance Data With Opposed Blade Damper

4 1/4" Horizontal/Vertical Mount Fire Damper 2602-48X40 past 12 months 14" and 16" * Perforatedh3. Standard Features * 2601 Square or rectangular for vertical mount only. Maximum dimension 60x60 single, 120x120 multiple. * 2602 Square or rectangular spring actuated (6) for horizontal or vertical mount. Maximum dimension 60x60. * 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