Backdraft Damper Horizontal Down 3570-60X30

Backdraft Damper Horizontal Down 3570-60X30h3. 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

cross bars

Standard Features * 2x2 panel with fixed 22 gauge steel perforated face * 7/8" fiberglass back (R4 value) * Pattern controllers can be adjusted to 1

NGD - Narrow ceiling grid dimples for 9/16" T-Rails

Standard Features * Fixed bar blades parallel to 1st dimension given *

Standard Features * 2633 - Square or rectangular out-of-airstream fire damper for vertical mount only

Standard Features * 2561 - Square or rectangular fire door for vertical mount only

Designed for ceiling or sidewall applications

T-Bar Modular Core Diffuser with Round Collar 6-14

102C - corner

Blades parallel to shortest dimension

SUBMITTAL 2720 Series Submittal

Standard Features *Surface mount return air grille * 45 fixed blades parallel to longest dimension * Countersunk mounting holes for flush appearance with color matching Phillips posi-drive screws * Soft White Options * 935 O - recessed screwdriver operated opposed blade damper * No Labor Collar (square sizes only) * 900 T - T-Bar mount * 905 HD - reinforced construction * 905 IS - insect screen * 1335-1338 Series - stainless steel version * Tamper proof screws