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Dayton Centrifugal Downblast Roof Exhaust Fan: Belt Drive, Includes Drive Pack - Clean Air Belt-Drive Fans with Drive
DaytonClean Air Belt-Drive Fans with Drive

Dayton Centrifugal Downblast Roof Exhaust Fan: Belt Drive, Includes Drive Pack

The Dayton Centrifugal Downblast Roof Exhaust Fan (SKU 3G-OTH-80391) is a belt-drive clean air fan with a 50-inch wheel, delivering exhaust airflow over 10,000 cfm (21,677 cfm at 0.000 in SP). It includes a drive…

SKU 3G-OTH-80391

Brand
Dayton
Item
Centrifugal Downblast Roof Exhaust Fan: Belt Drive, Includes Drive Pack
Category
Clean Air Belt-Drive Fans with Drive
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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, 21,677 cfm, 3
Wheel
50 in
Assembly
Unassembled
Base Shape
Square
Drive Package
Includes Drive Package
Motor Enclosure
Open Dripproof
Motor Efficiency
Standard-Efficiency Motors
Number of Speeds
1
Mounting Location
Roof
Nameplate Voltage
208-230/460V AC
High-Efficiency Motor
No
Exhaust Airflow @ 0.000 in SP - Range
More than 10,000 cfm
For High-Static Pressure Applications
No

Technical Documents

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

Product Description

The Dayton Centrifugal Downblast Roof Exhaust Fan (SKU 3G-OTH-80391) is a belt-drive clean air fan with a 50-inch wheel, delivering exhaust airflow over 10,000 cfm (21,677 cfm at 0.000 in SP). It includes a drive package, operates on 208-230/460V AC with a single-speed, standard-efficiency, open dripproof motor, and is designed for roof mounting with a square base.

Frequently Asked Questions

What is the Dayton centrifugal downblast roof exhaust fan used for?

The Dayton is a belt-drive clean air exhaust fan designed for roof mounting. It moves large volumes of air (21,677 cfm at 0.000 in SP) to ventilate industrial facilities, warehouses, and commercial buildings, removing heat, fumes, or stale air.

What are the specifications of the Dayton roof exhaust fan?

The Dayton has a 50-inch wheel, delivers 21,677 cfm at 0.000 in SP, and includes a drive package. It operates on 208-230/460V AC with a single-speed, open dripproof, standard-efficiency motor. The fan is unassembled with a square base for roof mounting.

Where to buy the Dayton exhaust fan worldwide?

3G Electric supplies the Dayton centrifugal downblast roof exhaust fan worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time.

How to install the Dayton belt-drive roof exhaust fan?

Install the Dayton on a roof curb with a square base. Assemble the unshipped fan per the manual, connect the 208-230/460V AC motor to a properly sized circuit, and ensure the belt drive is tensioned correctly. Use a licensed electrician and follow local codes.

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

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