Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

Dayton Centrifugal Downblast Roof Exhaust Fan: Belt Drive, Includes Drive Pack - Flammable Vapor Belt-Drive Fans with Drive
DaytonFlammable Vapor 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-81320) is a flammable vapor belt-drive fan with drive, featuring a 13 1/4 in wheel and 1,692 cfm exhaust airflow. It is unassembled with a square base…

SKU 3G-OTH-81320

Brand
Dayton
Item
Centrifugal Downblast Roof Exhaust Fan: Belt Drive, Includes Drive Pack
Category
Flammable Vapor Belt-Drive Fans with Drive
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

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, 1,692 cfm
Wheel
13 1/4 in
Assembly
Unassembled
Base Shape
Square
Drive Package
Includes Drive Package
Motor Enclosure
Totally Enclosed Nonventilated
Motor Efficiency
Standard-Efficiency Motors
Number of Speeds
1
Mounting Location
Roof
Nameplate Voltage
115/208-230V AC
High-Efficiency Motor
No
Hazardous Location Rating
Class I Groups C & D, Class II Groups E & F
Hazardous Location Specification
Class I Group C, Class I Group D, Class II Group E, Class II Group F, Class II Group F
Exhaust Airflow @ 0.000 in SP - Range
0 to 1,999 cfm
Exhaust Airflow @ 0.500 in SP - Range
0 to 1,999 cfm
For High-Static Pressure Applications
No

Technical Documents

No technical documents available for this product.
Request documentation
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

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

Product Description

The DAYTON Centrifugal Downblast Roof Exhaust Fan (SKU 3G-OTH-81320) is a flammable vapor belt-drive fan with drive, featuring a 13 1/4 in wheel and 1,692 cfm exhaust airflow. It is unassembled with a square base, includes a drive package, and is powered by a standard-efficiency, totally enclosed nonventilated motor at 115/208-230V AC, single speed. Rated for hazardous locations Class I Groups C & D and Class II Groups E & F, this roof-mounted fan is not for high-static-pressure applications.

Frequently Asked Questions

What is the DAYTON 7AE91 centrifugal downblast roof exhaust fan used for?

The DAYTON 7AE91 is a belt-drive roof exhaust fan designed for flammable vapor applications. It moves 1,692 cfm of air and is rated for hazardous locations including Class I Groups C & D and Class II Groups E & F, making it suitable for industrial environments where combustible gases or dusts may be present.

What are the specifications of the DAYTON 7AE91 roof exhaust fan?

The DAYTON 7AE91 has a 13 1/4 in wheel, 1,692 cfm exhaust airflow, and a totally enclosed nonventilated motor at 115/208-230V AC, single speed. It includes a drive package, has a square base, is unassembled, and is rated for hazardous locations Class I Groups C & D and Class II Groups E & F.

Where to buy the DAYTON 7AE91 exhaust fan worldwide?

3G Electric supplies the DAYTON 7AE91 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; we source and deliver this fan to any international location.

How to install the DAYTON 7AE91 belt-drive roof exhaust fan?

The DAYTON 7AE91 ships unassembled and requires field assembly of the drive package and motor. Mount the square base securely on a roof curb, align the belt drive per manufacturer instructions, and connect the 115/208-230V AC motor to a properly rated circuit. Ensure the installation meets hazardous location wiring codes for Class I and Class II areas.

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

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

Compatible alternatives & equivalents

Cross-referenced by specification & description
Centrifugal Downblast Roof Exhaust Fan: Belt Drive, Includes Drive Pack, 11 in Wheel, 1,386 cfm, 1 (MPN 7AE90)
Dayton
Centrifugal Downblast Roof Exhaust Fan: Belt Drive, Includes Drive Pack, 11 in Wheel, 1,386 cfm, 1 (MPN 7AE90)
Centrifugal Downblast Roof Exhaust Fan: Belt Drive, Includes Drive Pack, 18 1/2 in Wheel, 2,839 cfm (MPN 7AE94)
Dayton
Centrifugal Downblast Roof Exhaust Fan: Belt Drive, Includes Drive Pack, 18 1/2 in Wheel, 2,839 cfm (MPN 7AE94)
Centrifugal Downblast Roof Exhaust Fan: Belt Drive, Includes Drive Pack, 18 1/2 in Wheel, 3,655 cfm (MPN 7AE96)
Dayton
Centrifugal Downblast Roof Exhaust Fan: Belt Drive, Includes Drive Pack, 18 1/2 in Wheel, 3,655 cfm (MPN 7AE96)
Centrifugal Downblast Roof Exhaust Fan: Belt Drive, Includes Drive Pack, 21 1/2 in Wheel, 3,680 cfm (MPN 7AE98)
Dayton
Centrifugal Downblast Roof Exhaust Fan: Belt Drive, Includes Drive Pack, 21 1/2 in Wheel, 3,680 cfm (MPN 7AE98)
Centrifugal Downblast Roof Exhaust Fan: Belt Drive, Includes Drive Pack, 18 1/2 in Wheel, 3,150 cfm (MPN 7AE95)
Dayton
Centrifugal Downblast Roof Exhaust Fan: Belt Drive, Includes Drive Pack, 18 1/2 in Wheel, 3,150 cfm (MPN 7AE95)
Centrifugal Downblast Roof Exhaust Fan: Belt Drive, Includes Drive Pack, 16 3/4 in Wheel, 2,555 cfm (MPN 7AE93)
Dayton
Centrifugal Downblast Roof Exhaust Fan: Belt Drive, Includes Drive Pack, 16 3/4 in Wheel, 2,555 cfm (MPN 7AE93)

More from Dayton

View all Dayton parts
Centrifugal Upblast Roof Exhaust Fan: Belt Drive, Includes Drive Pack, 14 3/4 in Wheel, 2,518 cfm (MPN 7HY51)
Dayton
Centrifugal Upblast Roof Exhaust Fan: Belt Drive, Includes Drive Pack, 14 3/4 in Wheel, 2,518 cfm (MPN 7HY51)
Centrifugal Downblast Roof Exhaust Fan: Belt Drive, Includes Drive Pack, 21 1/2 in Wheel, 4,261 cfm (MPN 7AF17)
Dayton
Centrifugal Downblast Roof Exhaust Fan: Belt Drive, Includes Drive Pack, 21 1/2 in Wheel, 4,261 cfm (MPN 7AF17)
DAYTON Tubeaxial Fan: Flammable Vapor, 16 in Blade, 3,365 cfm @ 0.000 in SP, 115/230V AC, 1 Phase (MPN 7F940)
Dayton
DAYTON Tubeaxial Fan: Flammable Vapor, 16 in Blade, 3,365 cfm @ 0.000 in SP, 115/230V AC, 1 Phase (MPN 7F940)
Centrifugal Downblast Roof Exhaust Fan: Belt Drive, Includes Drive Pack, 24 1/2 in Wheel, 4,223 cfm (MPN 7AF00)
Dayton
Centrifugal Downblast Roof Exhaust Fan: Belt Drive, Includes Drive Pack, 24 1/2 in Wheel, 4,223 cfm (MPN 7AF00)
Centrifugal Downblast Roof Exhaust Fan: Belt Drive, Includes Drive Pack, 18 1/2 in Wheel, 4,608 cfm (MPN 7AF15)
Dayton
Centrifugal Downblast Roof Exhaust Fan: Belt Drive, Includes Drive Pack, 18 1/2 in Wheel, 4,608 cfm (MPN 7AF15)
DAYTON Tubeaxial Fan: Flammable Vapor, 12 in Blade, 2,432 cfm @ 0.000 in SP, 115/230V AC, 1 Phase (MPN 7F931)
Dayton
DAYTON Tubeaxial Fan: Flammable Vapor, 12 in Blade, 2,432 cfm @ 0.000 in SP, 115/230V AC, 1 Phase (MPN 7F931)
DAYTON Tubeaxial Fan: Flammable Vapor, 16 in Blade, 3,365 cfm @ 0.000 in SP, 230/460V AC, 3 Phase (MPN 7AF44)
Dayton
DAYTON Tubeaxial Fan: Flammable Vapor, 16 in Blade, 3,365 cfm @ 0.000 in SP, 230/460V AC, 3 Phase (MPN 7AF44)
Centrifugal Upblast Roof Exhaust Fan: Belt Drive, Includes Drive Pack, 14 3/4 in Wheel, 2,518 cfm (MPN 7HY50)
Dayton
Centrifugal Upblast Roof Exhaust Fan: Belt Drive, Includes Drive Pack, 14 3/4 in Wheel, 2,518 cfm (MPN 7HY50)