Dayton 3G-OTH-74504 — Technical Specifications

Name: Dayton 3G-OTH-74504 17.75"H-W 4.5"L Alu Univ Backdraft Dampr: For 18 in Fan, For 18 in Nominal Duct Dia, Single Panel (MPN 2FTU9). Key specifications — Airflow Direction: Vertical; Blade Type: Flat Blade; Brand: DAYTON; Maximum Air Velocity: 2000 fpm; Mounting Position: Vertical.
Brand: Dayton

The Dayton 2FTU9 is a universal-mount backdraft damper designed for use with an 18-inch fan and 18-inch nominal duct diameter. It features a flat blade type, supports vertical airflow direction, and is intended for vertical mounting positions. The damper has a maximum air velocity of 2000 fpm.

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Technical Specifications

Parameter	Value
Type	For 18 in Nominal Duct Dia, Single Panel
Brand	DAYTON
Blade Type	Flat Blade
Airflow Direction	Vertical
Mounting Position	Vertical
Maximum Air Velocity	2000 fpm
Manufacturer Part Number	2FTU9