Backdraft Damper Horizontal Down 3570-32X10

Backdraft Damper Horizontal Down 3570-32X10

  • $412.41


h3.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 blades on 10" width or less * Adjustable counter balance to adjust various opening pressures * Galvanized finish h3.Options * Sleeve variations * Bronze bearings * Mounting flange