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Dayton Centrifugal Downblast Roof Exhaust Fan - Clean Air Belt-Drive Fans with Drive
DaytonClean Air Belt-Drive Fans with Drive

Dayton Centrifugal Downblast Roof Exhaust Fan

The Dayton Centrifugal Downblast Roof Exhaust Fan is a belt-drive clean air fan with drive package, model. It features an 18 1/2-inch wheel, delivers 5,191 cfm, and operates on 208-230/460V AC with a single-speed…

SKU 3G-OTH-81677

Brand
Dayton
Item
Centrifugal Downblast Roof Exhaust Fan
Category
Clean Air Belt-Drive Fans with Drive
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

Dayton
Type
Includes Drive Pack, 5,191 cfm
Wheel
18 1/2 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
5,000 to 10,000 cfm
Exhaust Airflow @ 0.500 in SP - Range
2,000 to 4,999 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 is a belt-drive clean air fan with drive package, model. It features an 18 1/2-inch wheel, delivers 5,191 cfm, and operates on 208-230/460V AC with a single-speed, open dripproof motor. This unassembled, square-base unit is designed for roof mounting and is not for high-static-pressure applications.

Frequently Asked Questions

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

This Dayton belt-drive fan is designed for general clean-air roof exhaust applications where moderate static pressure is present. It is ideal for removing heat, odors, and stale air from commercial or industrial buildings. The downblast configuration directs exhaust upward, away from the roof surface, and it is not intended for high-static-pressure systems.

What are the specifications of the Dayton roof exhaust fan?

The Dayton features an 18 1/2-inch wheel, delivers 5,191 cfm, and operates on 208-230/460V AC with a single-speed open dripproof motor. It includes a drive package, has a square base, and is unassembled for roof mounting. Exhaust airflow ranges from 5,000 to 10,000 cfm at 0.000 in SP and 2,000 to 4,999 cfm at 0.500 in SP.

Where to buy the Dayton exhaust fan worldwide?

3G Electric supplies the Dayton centrifugal downblast roof exhaust fan to customers 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 tailored to your location and project requirements.

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

Installation requires assembling the unassembled unit on a roof curb, ensuring proper structural support and electrical connection to 208-230/460V AC. Follow Dayton's manual for belt tensioning and alignment. Use a licensed electrician for wiring. Regular maintenance includes checking belt wear, motor lubrication, and cleaning the wheel to maintain airflow performance.

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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Centrifugal downblast roof exhaust fan for clean-air applications. Belt-driven with included drive package. Unassembled unit with square base, open dripproof standard-efficiency motor, single speed, and nameplate voltage 115/208-230V AC. Wheel diameter 16 3/4 in, exhaust airflow 2,791 cfm
Centrifugal downblast roof exhaust fan for clean-air general ventilation. Unassembled unit with square base, includes drive package. Standard-efficiency open dripproof motor, 208-230/460V AC, single speed. Suitable for low-static-pressure applications removing heat, fumes, and odors
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Centrifugal downblast roof exhaust fan for clean-air general ventilation. Unassembled unit with square base, includes drive package. Standard-efficiency open dripproof motor, 208-230/460V AC, single speed. Suitable for low-static-pressure applications removing heat, fumes, and odors
Belt-drive centrifugal downblast roof exhaust fan for general ventilation in low-static-pressure applications. Includes drive package, 16 3/4 in wheel, delivers 3,692 cfm. Single-speed open dripproof motor, 208-230/440V AC. Unassembled with square base
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Belt-drive centrifugal downblast roof exhaust fan for general ventilation in low-static-pressure applications. Includes drive package, 16 3/4 in wheel, delivers 3,692 cfm. Single-speed open dripproof motor, 208-230/440V AC. Unassembled with square base

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