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Dayton 21"H-W 6.5"L Extrd Alu Backdraft Dampr: For 18 in Fan, Single Panel, 21 in H - Wall-Mount Backdraft Dampers
DaytonWall-Mount Backdraft Dampers

Dayton 21"H-W 6.5"L Extrd Alu Backdraft Dampr: For 18 in Fan, Single Panel, 21 in H

The Dayton is a wall-mount backdraft damper with extruded aluminum flat blades, designed for horizontal airflow in a vertical mounting position. It has a maximum air velocity of 3250 fpm and is sized for an 18-inch…

SKU 3G-OTH-76230

Brand
Dayton
Item
21"H-W 6.5"L Extrd Alu Backdraft Dampr: For 18 in Fan, Single Panel, 21 in H
Category
Wall-Mount Backdraft Dampers
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Local availability & support

Delivery
Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

Dayton
Type
Single Panel, 21 in W, Wall
D
3 in
H
21 in
Blade Type
Flat Blade
Airflow Direction
Horizontal
Mounting Position
Vertical
Maximum Air Velocity
3250 fpm

Technical Documents

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Dayton Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The Dayton is a wall-mount backdraft damper with extruded aluminum flat blades, designed for horizontal airflow in a vertical mounting position. It has a maximum air velocity of 3250 fpm and is sized for an 18-inch fan, with dimensions of 21 inches high, 21 inches wide, and 3 inches deep.

Frequently Asked Questions

What is the Dayton backdraft damper used for?

The Dayton is a wall-mount backdraft damper that prevents reverse airflow in exhaust systems. It is used with 18-inch fans in commercial or industrial ventilation, allowing horizontal airflow only when the fan operates and closing automatically when the fan stops.

What are the specifications of the Dayton damper?

The Dayton has extruded aluminum flat blades, a maximum air velocity of 3250 fpm, and dimensions of 21 in H x 21 in W x 3 in D. It is designed for horizontal airflow with vertical mounting and fits an 18-inch fan. The manufacturer part number is .

Where to buy the Dayton damper worldwide?

3G Electric supplies the Dayton backdraft damper worldwide. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to your site. Contact us for availability and a quote for your region.

How to install the Dayton backdraft damper?

Mount the Dayton vertically on a wall with the airflow direction arrow pointing horizontally. Secure the damper frame to the wall opening using appropriate fasteners. Ensure the blades move freely and the damper is level for proper gravity-assisted closing.

Used in

Common applications for Dayton
HVAC ventilation — DAYTON centrifugal upblast roof exhaust fans (SKU 7M7U3) for kitchen exhaust systems
Mechanical power transmission — DAYTON HTD timing pulleys (SKU 404GV0) for conveyor belt drives
Process water handling — DAYTON self-priming centrifugal pumps (SKU 2ZXT4) for dewatering or transfer
Roofing and building services — DAYTON fixed ventilated roof curbs (SKU 4HX59) for filtered supply fan installations
Material handling — DAYTON latch assemblies (SKU 2KEN4) for electric chain hoist hook safety
Industrial air movement — DAYTON downblast roof exhaust fans (SKU 3HFL9) for clean air exhaust in manufacturing plants

Dayton Products

3G Electric supplies Dayton wall-mount backdraft dampers. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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