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Dayton Centrifugal Upblast Roof Exhaust Fan: Belt Drive, Includes Drive Pack, 18 1/2 in Wheel - Flammable Vapor Belt-Drive Fans with Drive
DaytonFlammable Vapor Belt-Drive Fans with Drive

Dayton Centrifugal Upblast Roof Exhaust Fan: Belt Drive, Includes Drive Pack, 18 1/2 in Wheel

The Dayton Centrifugal Upblast Roof Exhaust Fan (SKU 7HY66) is a flammable vapor belt-drive fan with drive package, featuring an 18 1/2 in wheel and 4,061 cfm exhaust airflow. It is unassembled, square-based, and…

SKU 3G-OTH-80665

Brand
Dayton
Item
Centrifugal Upblast Roof Exhaust Fan: Belt Drive, Includes Drive Pack, 18 1/2 in Wheel
Category
Flammable Vapor Belt-Drive Fans with Drive
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Technical Specifications

Dayton
Manufacturer Part Number
7HY66
Type
Includes Drive Pack, 4,061 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 Motor
Number of Speeds
1
Mounting Location
Roof
Nameplate Voltage
115/208-230V AC
High-Efficiency Motor
No
Includes Drive Package
Yes
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
View Full Spec Sheet

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

Product Description

The Dayton Centrifugal Upblast Roof Exhaust Fan (SKU 7HY66) is a flammable vapor belt-drive fan with drive package, featuring an 18 1/2 in wheel and 4,061 cfm exhaust airflow. It is unassembled, square-based, and roof-mounted, with a totally enclosed fan-cooled standard motor rated at 115/208-230V AC single speed. This fan is rated for hazardous locations: Class I Groups C & D and Class II Groups E, F & G, and is not for high-static-pressure applications.

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 Upblast Roof Exhaust Fan 7HY66 used for?

The Dayton 7HY66 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 4,061 cfm of air to ventilate flammable vapors, fumes, or dust in industrial settings such as chemical plants, paint booths, or grain handling facilities.

What are the specifications of the Dayton 7HY66 roof exhaust fan?

The Dayton 7HY66 features an 18 1/2 in wheel, 4,061 cfm airflow, and a totally enclosed fan-cooled motor rated at 115/208-230V AC single speed. It is unassembled with a square base for roof mounting. The fan is rated for hazardous locations: Class I Groups C & D and Class II Groups E, F & G.

Where to buy the Dayton 7HY66 roof exhaust fan worldwide?

3G Electric supplies the Dayton 7HY66 centrifugal upblast 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 fan to any international destination.

How to install the Dayton 7HY66 roof exhaust fan?

Install the Dayton 7HY66 on a roof curb or structural support, ensuring the square base is level and sealed. Since it is unassembled, follow the included drive-pack instructions to mount the motor, belt, and wheel. Verify electrical connections match the 115/208-230V AC nameplate. Always comply with local codes for hazardous-location wiring.

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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DAYTON Tubeaxial Fan: Flammable Vapor, 34 in Blade, 19,290 cfm @ 0.000 in SP, 230/460V AC, 3 Phase (MPN 7F856). Key specifications — Brand: DAYTON; Includes Drive Package: Yes; Spark Resistant Construction Type: B; Assembly: Unassembled; Nameplate Voltage: 230/460V AC; Mounting Orientation: Vertical; Hazardous Location Specification: Class I Group C; Class I Group D.
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