We ship worldwide — Singapore, Australia, Malaysia, Indonesia, Philippines, India, Middle East & more

3G Electric
Dayton Flammable Vapor Belt-Drive Fan with Drive, 18 1/2 in Wheel, 3,655 cfm - Flammable Vapor Belt-Drive Fans with Drive
DaytonFlammable Vapor Belt-Drive Fans with Drive

Dayton Flammable Vapor Belt-Drive Fan with Drive, 18 1/2 in Wheel, 3,655 cfm

The Dayton Centrifugal Downblast Roof Exhaust Fan: Belt Drive (SKU 3G-OTH-81485) is a flammable vapor belt-drive fan with drive, featuring an 18 1/2 in wheel and 3,655 cfm exhaust airflow. It is unassembled with a…

SKU 3G-OTH-81485

Brand
Dayton
Item
Flammable Vapor Belt-Drive Fan with Drive, 18 1/2 in Wheel, 3,655 cfm
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

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, 3,655 cfm
Wheel
18 1/2 in
Assembly
Unassembled
Base Shape
Square
Drive Package
Includes Drive Package
Motor Enclosure
Totally Enclosed Fan Cooled
Motor Efficiency
Standard-Efficiency Motors
Number of Speeds
1
Mounting Location
Roof
Nameplate Voltage
208-230/460V AC
High-Efficiency Motor
No
Hazardous Location Rating
Class I Groups C & D, Class II Groups E, F & G
Hazardous Location Specification
Class I Group C, Class I Group D, Class II Group E, Class II Group F, Class II Group G
Exhaust Airflow @ 0.000 in SP - Range
2,000 to 4,999 cfm
Exhaust Airflow @ 0.500 in SP - Range
2,000 to 4,999 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: Belt Drive (SKU 3G-OTH-81485) is a flammable vapor belt-drive fan with drive, featuring an 18 1/2 in wheel and 3,655 cfm exhaust airflow. It is unassembled with a square base, includes a drive package, and is powered by a standard-efficiency, totally enclosed fan cooled motor at 208-230/460V AC. This roof-mounted unit is rated for hazardous locations: Class I Groups C & D and Class II Groups E, F & G.

Frequently Asked Questions

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

The Dayton is a belt-drive roof exhaust fan designed for hazardous locations classified as Class I Groups C & D and Class II Groups E, F & G. It moves 3,655 cfm of flammable vapors or combustible dusts, making it suitable for industrial plants, chemical processing, and other environments requiring explosion-proof ventilation.

What are the specifications of the Dayton roof exhaust fan?

The Dayton features an 18 1/2 in wheel, 3,655 cfm exhaust airflow, and a totally enclosed fan cooled motor rated at 208-230/460V AC. It is unassembled with a square base, includes a drive package, and is mounted on the roof. The fan is rated for hazardous locations: Class I Groups C & D and Class II Groups E, F & G.

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, we handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time; we source and deliver this flammable vapor belt-drive fan to any international destination.

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

Install the Dayton on a flat roof curb with proper structural support. Since it is unassembled, follow the included drive package instructions to mount the motor, belt, and wheel. Ensure electrical connections match the 208-230/460V AC nameplate. For hazardous locations, use certified conduit seals and follow local codes. 3G Electric recommends consulting a licensed electrician.

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
Not sure this is the right part? Photo-identify it

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

More from Dayton

View all Dayton parts
This unassembled belt-drive fan is designed for moving flammable vapors in hazardous locations. It features a 34-inch blade delivering 19,290 cfm at 0.000 in SP, powered by a 230/460V AC, 3-phase, single-speed motor with a totally enclosed fan-cooled enclosure. The fan includes a drive package and is intended for vertical mounting. It meets Class I Group C and D hazardous location specifications with Spark Resistant Construction Type B
Dayton
This unassembled belt-drive fan is designed for moving flammable vapors in hazardous locations. It features a 34-inch blade delivering 19,290 cfm at 0.000 in SP, powered by a 230/460V AC, 3-phase, single-speed motor with a totally enclosed fan-cooled enclosure. The fan includes a drive package and is intended for vertical mounting. It meets Class I Group C and D hazardous location specifications with Spark Resistant Construction Type B
This unassembled belt-drive fan is designed for horizontal mounting in hazardous locations. It features a 24-inch blade, delivers 5730 cfm at 0.000 in SP, and is powered by a 1/2 hp, 3-phase, totally enclosed fan-cooled motor. The unit is rated Class I Group C for flammable vapor environments and includes a drive package
Dayton
This unassembled belt-drive fan is designed for horizontal mounting in hazardous locations. It features a 24-inch blade, delivers 5730 cfm at 0.000 in SP, and is powered by a 1/2 hp, 3-phase, totally enclosed fan-cooled motor. The unit is rated Class I Group C for flammable vapor environments and includes a drive package
This unassembled belt-drive fan is designed for hazardous locations with flammable vapors. It features a 30-inch blade, delivers 10,955 cfm at 0.000 in SP, and is powered by a 3-phase, 208-230/460V AC totally enclosed fan-cooled motor. Type B spark-resistant construction and Class I Group C rating reduce ignition risk. Includes drive package; mounts vertically
Dayton
This unassembled belt-drive fan is designed for hazardous locations with flammable vapors. It features a 30-inch blade, delivers 10,955 cfm at 0.000 in SP, and is powered by a 3-phase, 208-230/460V AC totally enclosed fan-cooled motor. Type B spark-resistant construction and Class I Group C rating reduce ignition risk. Includes drive package; mounts vertically

Customer reviews

No reviews yet — be the first

Questions & answers

No questions yet — ask us the first