Dayton 3G-OTH-74906 — Technical Specifications

Name: Dayton 3G-OTH-74906 63.75"H-W 4.5"L Aluminum Backdraft Dampr: For 60 in Fan, For 64 in Nominal Duct Dia, Double Panel (MPN 5NKN9). Key specifications — Airflow Direction: Horizontal; Blade Type: Flat Blade; Brand: DAYTON; Maximum Air Velocity: 2000 fpm; Mounting Position: Horizontal.
Brand: Dayton

The Dayton 5NKN9 is a universal-mount backdraft damper designed for use with a 60-inch fan and a 64-inch nominal duct diameter. This flat-blade, double-panel aluminum damper is configured for horizontal airflow and horizontal mounting, with a maximum air velocity of 2000 fpm.

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Technical Specifications

Parameter	Value
Type	For 64 in Nominal Duct Dia, Double Panel
Brand	DAYTON
Blade Type	Flat Blade
Airflow Direction	Horizontal
Mounting Position	Horizontal
Maximum Air Velocity	2000 fpm
Manufacturer Part Number	5NKN9