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Dayton Centrifugal Upblast Roof Exhaust Fan: Belt Drive, Includes Drive Pack, 14 3/4 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, 14 3/4 in Wheel

The Dayton Centrifugal Upblast Roof Exhaust Fan (SKU 7HY49) is a flammable vapor belt-drive fan with drive package, featuring a 14 3/4 in wheel and 2,192 cfm exhaust airflow. It is unassembled, has a square base, and…

SKU 3G-OTH-80327

Brand
Dayton
Item
Centrifugal Upblast Roof Exhaust Fan: Belt Drive, Includes Drive Pack, 14 3/4 in Wheel
Category
Flammable Vapor Belt-Drive Fans with Drive
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Technical Specifications

Dayton
Manufacturer Part Number
7HY49
Type
Includes Drive Pack, 2,192 cfm
Wheel
14 3/4 in
Assembly
Unassembled
Base Shape
Square
Drive Package
Includes Drive Package
Motor Enclosure
Totally Enclosed Nonventilated
Motor Efficiency
Standard Motor
Number of Speeds
1
Mounting Location
Roof
Nameplate Voltage
230/460V AC
High-Efficiency Motor
No
Includes Drive Package
Yes
Hazardous Location Rating
Class I Groups C & D, Class II Groups F & G
Hazardous Location Specification
Class I Group C, Class I Group D, 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
0 to 1,999 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 7HY49) is a flammable vapor belt-drive fan with drive package, featuring a 14 3/4 in wheel and 2,192 cfm exhaust airflow. It is unassembled, has a square base, and includes a totally enclosed nonventilated standard-efficiency motor rated at 230/460V AC with one speed. This roof-mounted unit is rated for hazardous locations: Class I Groups C & D and Class II Groups F & G.

Frequently Asked Questions

What is the Dayton 7HY49 centrifugal upblast roof exhaust fan used for?

The Dayton 7HY49 is a belt-drive roof exhaust fan designed for flammable vapor applications. It moves 2,192 cfm of air and is rated for hazardous locations including Class I Groups C & D and Class II Groups F & G, making it suitable for industrial environments where explosive gases or combustible dusts are present.

What are the specifications of the Dayton 7HY49 roof exhaust fan?

The Dayton 7HY49 features a 14 3/4 in wheel, 2,192 cfm airflow, and a totally enclosed nonventilated motor rated at 230/460V AC. It is unassembled with a square base, includes a drive package, and is roof-mounted. The fan is rated for hazardous locations: Class I Groups C & D and Class II Groups F & G.

Where to buy the Dayton 7HY49 exhaust fan worldwide?

3G Electric supplies the Dayton 7HY49 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 flammable vapor belt-drive fan to any international location.

How to install the Dayton 7HY49 belt-drive roof exhaust fan?

Install the Dayton 7HY49 on a roof curb with proper structural support. Since it is unassembled, mount the square base, attach the wheel and drive package, and wire the 230/460V AC motor per local codes. Ensure the hazardous location rating matches your environment. Follow Dayton's manual for belt tension and alignment to ensure safe operation.

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, 42 in Blade, 25,320 cfm @ 0.000 in SP, 230/460V AC, 3 Phase (MPN 7F875). Key specifications — Brand: DAYTON; Includes Drive Package: Yes; Spark Resistant Construction Type: B; Assembly: Unassembled; Nameplate Voltage: 230/460V AC; Mounting Orientation: Horizontal; Hazardous Location Specification: Class I Group C; Class I Group D.
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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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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DAYTON Tubeaxial Fan: Flammable Vapor, 60 in Blade, 45,933 cfm @ 0.000 in SP, 230/460V AC, 3 Phase (MPN 7AU11). Key specifications — Brand: DAYTON; Includes Drive Package: Yes; Spark Resistant Construction Type: B; Assembly: Unassembled; Nameplate Voltage: 230/460V AC; Mounting Orientation: Horizontal; Hazardous Location Specification: Class I Group C; Class I Group D.