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Dayton Flammable Vapor Belt-Drive Fan with Drive, 21 1/2 in Wheel, 3,680 cfm - Flammable Vapor Belt-Drive Fans with Drive
DaytonFlammable Vapor Belt-Drive Fans with Drive

Dayton Flammable Vapor Belt-Drive Fan with Drive, 21 1/2 in Wheel, 3,680 cfm

The DAYTON Centrifugal Downblast Roof Exhaust Fan (SKU 3G-OTH-81535) is a flammable vapor belt-drive fan with drive, featuring a 21 1/2 in wheel and 3,680 cfm exhaust airflow. It is unassembled, includes a drive…

SKU 3G-OTH-81535

Brand
Dayton
Item
Flammable Vapor Belt-Drive Fan with Drive, 21 1/2 in Wheel, 3,680 cfm
Category
Flammable Vapor Belt-Drive Fans with Drive
Available to Order
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Technical specs
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Local availability & support — the Philippines

Delivery
5–8 business days door-to-door; Bureau of Customs clearance typically 2–4 business days.
Payment
Invoicing in PHP or USD. Bank transfer and corporate PO accepted.
Ships to
Manila, Quezon City, Cebu, Davao, Batangas

Technical Specifications

Dayton
Type
Includes Drive Pack, 3,680 cfm
Wheel
21 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
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

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

Product Description

The DAYTON Centrifugal Downblast Roof Exhaust Fan (SKU 3G-OTH-81535) is a flammable vapor belt-drive fan with drive, featuring a 21 1/2 in wheel and 3,680 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 230/460V AC, and is designed for roof mounting with a square base shape.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

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 3,680 cfm of flammable vapors or combustible dusts, making it suitable for industrial facilities requiring explosion-proof ventilation.

What are the specifications of the Dayton roof exhaust fan?

The Dayton features a 21 1/2 in wheel, 3,680 cfm exhaust airflow, and a totally enclosed fan-cooled motor rated at 230/460V AC. It includes a drive package, is unassembled, and mounts on a roof with a square base. It is rated for hazardous locations: Class I Groups C & D, Class II Groups E, F & G.

Where to buy the Dayton exhaust fan worldwide?

3G Electric supplies the Dayton 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 destination.

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

Install the Dayton on a roof curb with a square base, ensuring structural support for the 3,680 cfm unit. Assemble the drive package per Dayton's manual, connect the 230/460V AC motor to a properly rated disconnect, and verify hazardous location compliance. Use certified conduit seals for Class I/II environments.

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
Belt-drive roof exhaust fan for hazardous locations rated Class I Groups C & D and Class II Groups E, F & G. Unassembled unit with 21 1/2 in wheel delivers 4,759 cfm. Includes drive package and totally enclosed fan cooled motor for 230/460V AC operation
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Belt-drive roof exhaust fan for hazardous locations rated Class I Groups C & D and Class II Groups E, F & G. Unassembled unit with 21 1/2 in wheel delivers 4,759 cfm. Includes drive package and totally enclosed fan cooled motor for 230/460V AC operation
This unassembled belt-drive fan includes a drive pack and a square base for roof mounting. It features an 18 1/2 in wheel and a totally enclosed fan-cooled standard-efficiency motor rated at 230/460V AC, single speed. Rated for hazardous locations Class I Groups C & D and Class II Groups E, F & G, it delivers 4,102 cfm exhaust airflow. Typical applications include ventilation in environments where flammable vapors or combustible dusts may be present
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This unassembled belt-drive fan includes a drive pack and a square base for roof mounting. It features an 18 1/2 in wheel and a totally enclosed fan-cooled standard-efficiency motor rated at 230/460V AC, single speed. Rated for hazardous locations Class I Groups C & D and Class II Groups E, F & G, it delivers 4,102 cfm exhaust airflow. Typical applications include ventilation in environments where flammable vapors or combustible dusts may be present
Centrifugal Downblast Roof Exhaust Fan: Belt Drive, Includes Drive Pack, 18 1/2 in Wheel, 3,150 cfm
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Centrifugal Downblast Roof Exhaust Fan: Belt Drive, Includes Drive Pack, 18 1/2 in Wheel, 3,150 cfm
Centrifugal Downblast Roof Exhaust Fan: Belt Drive, Includes Drive Pack, 18 1/2 in Wheel, 4,608 cfm
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Centrifugal Downblast Roof Exhaust Fan: Belt Drive, Includes Drive Pack, 18 1/2 in Wheel, 4,608 cfm
Centrifugal Downblast Roof Exhaust Fan: Belt Drive, Includes Drive Pack, 30 1/2 in Wheel, 8,585 cfm
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Centrifugal Downblast Roof Exhaust Fan: Belt Drive, Includes Drive Pack, 30 1/2 in Wheel, 8,585 cfm
Centrifugal Downblast Roof Exhaust Fan: Belt Drive, Includes Drive Pack, 16 3/4 in Wheel, 2,791 cfm
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Centrifugal Downblast Roof Exhaust Fan: Belt Drive, Includes Drive Pack, 16 3/4 in Wheel, 2,791 cfm

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