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Dayton Centrifugal Upblast Roof Exhaust Fan: Belt Drive, Includes Drive Pack, 11 1/4 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, 11 1/4 in Wheel

The Dayton Centrifugal Upblast Roof Exhaust Fan is a flammable vapor belt-drive fan with drive, unassembled, featuring a square base and a totally enclosed nonventilated standard-efficiency motor. It operates at…

SKU 3G-OTH-80287

Brand
Dayton
Item
Centrifugal Upblast Roof Exhaust Fan: Belt Drive, Includes Drive Pack, 11 1/4 in Wheel
Category
Flammable Vapor Belt-Drive Fans with Drive
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Technical Specifications

Dayton
Manufacturer Part Number
7HY42
Type
Includes Drive Pack, 1,549 cfm
Wheel
11 1/4 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
0 to 1,999 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 is a flammable vapor belt-drive fan with drive, unassembled, featuring a square base and a totally enclosed nonventilated standard-efficiency motor. It operates at 230/460V AC, single speed, with an exhaust airflow range of 0 to 1,999 cfm at 0.000 in SP and 0 to 1,999 cfm at 0.500 in SP. This roof-mounted unit is rated for hazardous locations: Class I Groups C & D and Class II Groups F & G.

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 7HY42 centrifugal upblast roof exhaust fan used for?

The Dayton 7HY42 is a flammable vapor belt-drive roof exhaust fan designed for hazardous locations rated Class I Groups C & D and Class II Groups F & G. It moves up to 1,549 cfm at 0.000 in SP, making it suitable for exhausting flammable vapors in industrial settings.

What are the specifications of the Dayton 7HY42 roof exhaust fan?

The Dayton 7HY42 features an 11 1/4 in wheel, 1,549 cfm airflow, 230/460V AC single-speed motor, totally enclosed nonventilated enclosure, and square base. It is unassembled, includes a drive package, and is rated for hazardous locations Class I Groups C & D and Class II Groups F & G.

Where to buy the Dayton 7HY42 roof exhaust fan worldwide?

3G Electric supplies the Dayton 7HY42 centrifugal upblast roof exhaust fan to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time on this flammable vapor belt-drive fan.

How to install the Dayton 7HY42 unassembled roof exhaust fan?

The Dayton 7HY42 ships unassembled and includes a drive package. Follow the manufacturer's manual for proper belt tension, motor alignment, and roof curb mounting. Ensure electrical connections match the 230/460V AC nameplate voltage and that the installation meets hazardous location requirements for Class I Groups C & D and Class II Groups F & G.

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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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.
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.
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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.