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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
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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

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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
Manufacturing — Dayton 21XJ72 motor for machine tool coolant pumps circulates coolant during cutting, grinding, and drilling operations.
Water management — Dayton 3YU59 submersible sump pump removes water from basements, crawl spaces, and construction sites.
HVAC — Dayton 804T11 unit heater provides supplemental heating in warehouses, workshops, and garages.
Power transmission — Dayton 2X897 pillow block bearing supports rotating shafts in conveyors, fans, and other machinery.
Workshop — Dayton 2LKR8 bench grinder sharpens tools and deburrs metal parts with dust exhaust for a cleaner environment.
Fluid handling — Dayton 5RGV6 fountain pump circulates and aerates water in decorative ponds and fountains.
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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.

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