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Dayton Flammable Vapor Belt-Drive Fan with Drive, 30 1/2 in Wheel, 8585 cfm - Flammable Vapor Belt-Drive Fans with Drive
DaytonFlammable Vapor Belt-Drive Fans with Drive

Dayton Flammable Vapor Belt-Drive Fan with Drive, 30 1/2 in Wheel, 8585 cfm

The Dayton Centrifugal Downblast Roof Exhaust Fan (SKU 3G-OTH-81794) is a flammable vapor belt-drive fan with drive, featuring a 30 1/2 in wheel and 8,585 cfm exhaust airflow. It is unassembled, includes a drive…

SKU 3G-OTH-81794

Brand
Dayton
Item
Flammable Vapor Belt-Drive Fan with Drive, 30 1/2 in Wheel, 8585 cfm
Category
Flammable Vapor 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, 8,585 cfm
Wheel
30 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
5,000 to 10,000 cfm
Exhaust Airflow @ 0.500 in SP - Range
5,000 to 10,000 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 (SKU 3G-OTH-81794) is a flammable vapor belt-drive fan with drive, featuring a 30 1/2 in wheel and 8,585 cfm exhaust airflow. It is unassembled, includes a drive package, and is rated for hazardous locations: Class I Groups C & D, Class II Groups E, F & G. The fan operates with a single-speed, standard-efficiency, totally enclosed fan cooled motor at 208-230/460V AC, and is designed for roof mounting.

Frequently Asked Questions

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

The Dayton is a flammable vapor belt-drive roof exhaust fan designed for hazardous locations classified as Class I Groups C & D and Class II Groups E, F & G. It is used to exhaust fumes, vapors, or dust in industrial settings such as chemical plants, refineries, or grain handling facilities.

What are the specifications of the Dayton roof exhaust fan?

The Dayton features a 30 1/2 in wheel, 8,585 cfm airflow, and a totally enclosed fan cooled motor rated at 208-230/460V AC. It includes a drive package, is unassembled, and has a square base for roof mounting. The fan is single-speed with standard-efficiency motors.

Where to buy the Dayton exhaust fan worldwide?

You can source the Dayton exhaust fan through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide locations. Contact us for availability and lead time; we provide reliable sourcing for hazardous location ventilation equipment.

How to install the Dayton roof exhaust fan?

Install the Dayton on a roof curb with proper sealing to prevent leaks. Ensure the electrical supply matches the motor nameplate voltage (208-230/460V AC). Follow local codes for hazardous location wiring. The fan ships unassembled; assemble the drive package and wheel per the manual before mounting.

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.

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Compatible alternatives & equivalents

Cross-referenced by specification & description
This unassembled centrifugal downblast roof exhaust fan includes a drive package and is rated for hazardous locations Class I Groups C & D and Class II Groups E, F & G. It features a 30 1/2 in wheel, 7,694 cfm airflow, and a totally enclosed fan cooled motor for 230/460V AC. Suitable for ventilating areas where flammable vapors or combustible dusts may be present
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This unassembled centrifugal downblast roof exhaust fan includes a drive package and is rated for hazardous locations Class I Groups C & D and Class II Groups E, F & G. It features a 30 1/2 in wheel, 7,694 cfm airflow, and a totally enclosed fan cooled motor for 230/460V AC. Suitable for ventilating areas where flammable vapors or combustible dusts may be present
This flammable vapor belt-drive fan includes a drive pack and is designed for roof-mounted exhaust applications in hazardous locations. It features a 30 1/2 in wheel, delivers 6,803 cfm, and is powered by a single-speed, totally enclosed fan cooled motor rated at 208-230/460V AC. Suitable for Class I Groups C & D and Class II Groups E, F & G environments
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This flammable vapor belt-drive fan includes a drive pack and is designed for roof-mounted exhaust applications in hazardous locations. It features a 30 1/2 in wheel, delivers 6,803 cfm, and is powered by a single-speed, totally enclosed fan cooled motor rated at 208-230/460V AC. Suitable for Class I Groups C & D and Class II Groups E, F & G environments
Belt-drive downblast roof exhaust fan for hazardous locations. Rated Class I Groups C & D, Class II Groups E & F. Includes drive package, 30 1/2 in wheel, 6,803 cfm, 115/208-230V AC single-speed TEFC motor. Unassembled
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Belt-drive downblast roof exhaust fan for hazardous locations. Rated Class I Groups C & D, Class II Groups E & F. Includes drive package, 30 1/2 in wheel, 6,803 cfm, 115/208-230V AC single-speed TEFC motor. Unassembled
This flammable vapor belt-drive fan includes a drive package and is rated for hazardous locations Class I Groups C & D and Class II Groups E & F. It features a 30 1/2-inch wheel, delivers 9,719 cfm, and operates on 208-230V AC with a totally enclosed fan-cooled motor. The unassembled unit has a square base for roof mounting
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This flammable vapor belt-drive fan includes a drive package and is rated for hazardous locations Class I Groups C & D and Class II Groups E & F. It features a 30 1/2-inch wheel, delivers 9,719 cfm, and operates on 208-230V AC with a totally enclosed fan-cooled motor. The unassembled unit has a square base for roof mounting
This unassembled centrifugal downblast roof exhaust fan includes a drive package and a 30 1/2 in wheel. It delivers 10,772 cfm at 0.000 in SP and is rated for hazardous locations Class I Groups C & D and Class II Groups E, F & G. The totally enclosed fan-cooled motor operates on 208-230/460V AC. Suitable for ventilation of flammable vapors or combustible dusts in industrial settings
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This unassembled centrifugal downblast roof exhaust fan includes a drive package and a 30 1/2 in wheel. It delivers 10,772 cfm at 0.000 in SP and is rated for hazardous locations Class I Groups C & D and Class II Groups E, F & G. The totally enclosed fan-cooled motor operates on 208-230/460V AC. Suitable for ventilation of flammable vapors or combustible dusts in industrial settings
This belt-drive centrifugal downblast roof exhaust fan is designed for hazardous locations rated Class I Groups C & D and Class II Groups E & F. It includes a drive package and features a 24 1/2 in wheel delivering 5,371 cfm. The unassembled fan has a square base and a totally enclosed fan cooled motor rated at 115/208-230V AC. Typical applications include ventilation of areas where flammable vapors or combustible dusts may be present
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This belt-drive centrifugal downblast roof exhaust fan is designed for hazardous locations rated Class I Groups C & D and Class II Groups E & F. It includes a drive package and features a 24 1/2 in wheel delivering 5,371 cfm. The unassembled fan has a square base and a totally enclosed fan cooled motor rated at 115/208-230V AC. Typical applications include ventilation of areas where flammable vapors or combustible dusts may be present

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