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Dayton Axial Downblast Roof Exhaust Fan: Direct Drive, Includes Drive Pack, 20 in Blade - Clean Air Direct-Drive Fans
DaytonClean Air Direct-Drive Fans

Dayton Axial Downblast Roof Exhaust Fan: Direct Drive, Includes Drive Pack, 20 in Blade

The Dayton Axial Downblast Roof Exhaust Fan is a direct-drive, clean-air fan for industrial and commercial applications. It features a 20-inch blade, delivers 3,871 cfm exhaust airflow, and includes a drive package…

SKU 3G-OTH-79934

Brand
Dayton
Item
Axial Downblast Roof Exhaust Fan: Direct Drive, Includes Drive Pack, 20 in Blade
Category
Clean Air Direct-Drive Fans
Available to Order
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Technical specs
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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
Includes Drive Pack, 3,871 cfm, OAO, 1
Blade
20 in
Assembly
Assembled
Base Shape
Square
Application
Industrial and Commercial Applications
For Air Type
Clean Air
Drive Package
Includes Drive Package
Motor Enclosure
Open Air Over
Motor Efficiency
Standard-Efficiency Motors
Number of Speeds
1
Mounting Location
Roof
Nameplate Voltage
115/230V AC
High-Efficiency Motor
No
Motor Enclosure Design Broad
Open Motor
Exhaust Airflow @ 0.000 in SP - Range
2,000 to 4,999 cfm

Technical Documents

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

Product Description

The Dayton Axial Downblast Roof Exhaust Fan is a direct-drive, clean-air fan for industrial and commercial applications. It features a 20-inch blade, delivers 3,871 cfm exhaust airflow, and includes a drive package. The fan is assembled with a square base, an open air over motor enclosure, and operates on 115/230V AC at a single speed.

Frequently Asked Questions

What is the Dayton Axial Downblast Roof Exhaust Fan used for?

The Dayton Axial Downblast Roof Exhaust Fan is designed for industrial and commercial clean-air exhaust applications. It mounts on the roof and uses a 20-inch blade to move 3,871 cfm of air, making it suitable for ventilating warehouses, factories, and large commercial spaces.

What are the specifications of the Dayton exhaust fan?

The Dayton is a direct-drive axial downblast fan with a 20-inch blade, delivering 3,871 cfm exhaust airflow. It includes a drive package, has an open air over motor enclosure, operates on 115/230V AC single speed, and is assembled with a square base for roof mounting.

Where to buy the Dayton roof exhaust fan worldwide?

3G Electric supplies the Dayton axial downblast roof exhaust fan 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 clean-air fan.

How to install a Dayton downblast roof exhaust fan?

Install the Dayton downblast roof exhaust fan on a structurally sound roof curb with a square base. Ensure the mounting location supports the fan weight and allows for proper duct connection. Follow the manufacturer's wiring diagram for the 115/230V AC single-speed motor and secure all drive components.

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 clean air direct-drive fans. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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