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Dayton 21"H-W 5 1/4"L SS Backdraft Dampr: For 18 in Fan, Single Panel, 21 in H - Wall-Mount Backdraft Dampers
DaytonWall-Mount Backdraft Dampers

Dayton 21"H-W 5 1/4"L SS Backdraft Dampr: For 18 in Fan, Single Panel, 21 in H

The Dayton is a wall-mount backdraft damper designed for use with an 18-inch fan. It features a single-panel, flat blade design with a vertical mounting position and horizontal airflow direction, supporting a maximum…

SKU 3G-OTH-76171

Brand
Dayton
Item
21"H-W 5 1/4"L SS 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, Horizontal
D
2 in
H
21 in
Blade Type
Flat Blade
Airflow Direction
Horizontal
Mounting Position
Vertical
Maximum Air Velocity
2500 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 designed for use with an 18-inch fan. It features a single-panel, flat blade design with a vertical mounting position and horizontal airflow direction, supporting a maximum air velocity of 2500 fpm. The damper measures 21 inches in height, 21 inches in width, and 2 inches in depth, with a 5 1/4-inch length and stainless steel construction.

Frequently Asked Questions

What is the Dayton backdraft damper used for?

The Dayton is a wall-mount backdraft damper that prevents reverse airflow when the fan is off. It is used with an 18-inch fan in ventilation systems requiring horizontal airflow and vertical mounting, common in industrial exhaust and intake applications.

What are the specifications of the Dayton backdraft damper?

The Dayton is a single-panel, flat-blade damper with a 21-inch height, 21-inch width, and 2-inch depth. It supports a maximum air velocity of 2500 fpm, has horizontal airflow direction, and is designed for vertical mounting. The stainless steel construction suits demanding environments.

Where to buy the Dayton backdraft damper worldwide?

3G Electric supplies the Dayton backdraft damper to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us for a quote and lead time on this and other Dayton ventilation products.

How to install a Dayton backdraft damper?

Mount the Dayton damper vertically in the ductwork, ensuring the airflow direction arrow matches the fan's discharge. Secure the flanges with appropriate fasteners and verify the blades open freely. Follow standard HVAC damper installation practices for proper sealing and operation.

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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