Dayton 3G-OTH-74913 — Technical Specifications

Name: Dayton 3G-OTH-74913 61.75"H-W 4.5"L Aluminum Backdraft Dampr: For 60 in Fan, For 62 in Nominal Duct Dia, Double Panel (MPN 6WRK9). Key specifications — Airflow Direction: Vertical; Blade Type: Flat Blade; Brand: DAYTON; Maximum Air Velocity: 2000 fpm; Mounting Position: Horizontal.
Brand: Dayton

The Dayton 6WRK9 is a universal-mount backdraft damper designed for use with a 60-inch fan and 62-inch nominal duct diameter. It features a double-panel, flat blade construction with vertical airflow direction and horizontal mounting position, supporting a maximum air velocity of 2000 fpm. This aluminum damper measures 61.75 inches in height and width with a 4.5-inch length.

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Technical Specifications

Parameter	Value
Type	For 62 in Nominal Duct Dia, Double Panel
Brand	DAYTON
Blade Type	Flat Blade
Airflow Direction	Vertical
Mounting Position	Horizontal
Maximum Air Velocity	2000 fpm
Manufacturer Part Number	6WRK9