Backdraft Damper Horizontal Down 3570-28X16

Backdraft Damper Horizontal Down 3570-28X16h3. Standard Features * 3550 Vertical mount * 3560 Horizontal mount air up * 3570 Horizontal mount air down * 3580 Round sizes available 5" to 24" * All non motorized backdraft dampers * Dampers are opened by air pressure differential and closed by gravity * 16 gauge channel frame with 26 gauge galvanized blades * Out of airstream linkage * Blades are vee stiffened 26 gauge for strength and stability * Square steel pivot pins * Nylon bushings * Single

904 - Double Deflection Adjustable Aluminum Blade Grille For a 20" x 20" Duct Opening (front blades parallel to shortest dimension)

2750 Install Instructions

TS Series Engineering/Performance Data

14" and 16" * Soft White Options * 825 MA - modular core fixed blade diffuser with field adjustable air patterns * Field installable Bowtie Damper (BD) (sizes 6-14") * 825 OR - factory installed opposed radial damper (sizes 6"-14") * 825 FR - U

450 Series Engineering/Performance Data

Standard Features * 1 1/2 hour rated fire damper * 2549 - Round damper for vertical mount only

Standard Features * Airflow can be adjusted to 1

* UL and California State Fire Marshall approved * 2" thinline frame * Interlocking steel roll-formed blade (3) with roll-formed frames (1) * Blade lock (5) * Damper manufactured from corrosion tested galvanized mild steel (G-90) * Self locking corner (4) * 165° replaceable fusible link (2) h3

Available in even sizes 6" to 20" and 24"

Options * Sleeve variations * Fractional and odd sizes available h3

CB-T Series Submittal

inner dimension and outside dimension sizes available * Tamper proof screws * Standard Color