4 1/4" Horizontal/Vertical Mount Fire Damper 2602-20X6 Accessories For damper free area chart

For damper free area chart B click here * 2565 - Round fire door for vertical mount only

055 T6 extruded aluminum * Square collar * For 22"x22" square duct * Soft White Options * 915 T O - opposed blade damper * No Labor Collar - square to round (2x2 only) * 1x2 panel (10"x22" duct) or 2x4 panel (22"x46" duct) * Satin Anodized Finish available on this product

450 Series Submittal

375 Series Engineering/Performance Data

Sleeve Submittal

4 1/4" Horizontal/Vertical Mount Fire Damper 2602-20X6 Accessories For damper free area charth3. 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