Backdraft Damper Horizontal Down 3570-26X16

Backdraft Damper Horizontal Down 3570-26X16h3. 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

RD Series Submittal

Standard Features * Aluminum construction deep housing and inner concentric rings * Designed for high volume long throw applications * Adjustable air direction * Easily installed with use of strong spring clips * No screwholes offers clean appearance for wall mount * Anodized finish Options * 1204 - turbo nozzle in panel mount

Available in 6”–12” collar sizes

SD52 - Transition Box Spiral Pipe Grille (Single Deflection)

Adjustable modular cores with fixed curved blades

RS34 Series Submittal

Designed for return applications and as a vented access door to equipment

Note: Listed Size Is Nominal Duct Opening / Nominal Filter Size

Spiral Diffuser Radius Flush Mount Diffuser Single Deflection with Damper

Maximum dimension 41w

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

Negator stainless steel closure springs mounted on spring pin brackets