We ship to the Philippines — door-to-door, customs and logistics handled by 3G Electric

3G Electric
RFQ CartGet a QuoteSign inSign up
Dayton Centrifugal Downblast Roof Exhaust Fan: Belt Drive, Includes Drive Pack - Flammable Vapor Belt-Drive Fans with Drive
DaytonFlammable Vapor Belt-Drive Fans with Drive

Dayton Centrifugal Downblast Roof Exhaust Fan: Belt Drive, Includes Drive Pack

The Dayton Centrifugal Downblast Roof Exhaust Fan is a flammable vapor belt-drive fan with drive, unassembled, featuring a 30 1/2-inch wheel and 7,694 cfm. It includes a drive package, operates on 230/460V AC with a…

SKU 3G-OTH-81770

Brand
Dayton
Item
Centrifugal Downblast Roof Exhaust Fan: Belt Drive, Includes Drive Pack
Category
Flammable Vapor Belt-Drive Fans with Drive
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineer
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Technical Specifications

Dayton
Manufacturer Part Number
7AF27
Type
Includes Drive Pack, 7,694 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
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
View Full Spec Sheet

Technical Documents

No technical documents available for this product.
Request documentation →
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

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

Product Description

The Dayton Centrifugal Downblast Roof Exhaust Fan is a flammable vapor belt-drive fan with drive, unassembled, featuring a 30 1/2-inch wheel and 7,694 cfm. It includes a drive package, operates on 230/460V AC with a totally enclosed fan cooled motor, and is rated for hazardous locations Class I Groups C & D and Class II Groups E, 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 7AF27 centrifugal downblast roof exhaust fan used for?

The Dayton 7AF27 is a flammable vapor belt-drive roof exhaust fan designed for hazardous locations classified Class I Groups C & D and Class II Groups E, F & G. It is used to ventilate industrial facilities where flammable vapors, combustible dusts, or explosive atmospheres may be present, ensuring safe air extraction.

What are the specifications of the Dayton 7AF27 roof exhaust fan?

The Dayton 7AF27 features a 30 1/2-inch wheel, 7,694 cfm airflow, and a totally enclosed fan cooled motor rated for 230/460V AC. It includes a drive package, has a square base, mounts on the roof, and is unassembled. It is rated for hazardous locations Class I Groups C & D and Class II Groups E, F & G.

Where to buy the Dayton 7AF27 roof exhaust fan worldwide?

3G Electric supplies the Dayton 7AF27 centrifugal downblast roof exhaust fan worldwide. As a global industrial equipment distributor since 1990, 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 location.

How to install the Dayton 7AF27 roof exhaust fan?

Install the Dayton 7AF27 on a roof curb with proper structural support. Since it is unassembled, follow the included drive package instructions to mount the wheel, motor, and belt drive. Ensure electrical connections match the 230/460V AC nameplate voltage. For hazardous locations, use certified wiring methods per Class I and Class II requirements.

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.

You might also need

Burners & Combustion →Pumps & Compressors →Spare Parts →All Products →

Similar products

Matched by specification & description
Centrifugal Downblast Roof Exhaust Fan: Belt Drive, Includes Drive Pack, 30 1/2 in Wheel, 9,719 cfm (MPN 7AF07). Key specifications — Assembly: Unassembled; Base Shape: Square; Brand: DAYTON; High-Efficiency Motor: No; For High-Static Pressure Applications: No; Hazardous Location Specification: Class I Group C, Class I Group D, Class II Group E, Class II Group F, Class II Group F; Motor Enclosure: Totally Enclosed Fan Cooled; Mounting Location: Roof.
Dayton
Centrifugal Downblast Roof Exhaust Fan: Belt Drive, Includes Drive Pack, 30 1/2 in Wheel, 9,719 cfm (MPN 7AF07). Key specifications — Assembly: Unassembled; Base Shape: Square; Brand: DAYTON; High-Efficiency Motor: No; For High-Static Pressure Applications: No; Hazardous Location Specification: Class I Group C, Class I Group D, Class II Group E, Class II Group F, Class II Group F; Motor Enclosure: Totally Enclosed Fan Cooled; Mounting Location: Roof.
Centrifugal Downblast Roof Exhaust Fan: Belt Drive, Includes Drive Pack, 30 1/2 in Wheel, 8,585 cfm (MPN 7AF28). Key specifications — Assembly: Unassembled; Base Shape: Square; Brand: DAYTON; High-Efficiency Motor: No; For High-Static Pressure Applications: No; Hazardous Location Specification: Class I Group C, Class I Group D, Class II Group E, Class II Group F, Class II Group G; Motor Enclosure: Totally Enclosed Fan Cooled; Mounting Location: Roof.
Dayton
Centrifugal Downblast Roof Exhaust Fan: Belt Drive, Includes Drive Pack, 30 1/2 in Wheel, 8,585 cfm (MPN 7AF28). Key specifications — Assembly: Unassembled; Base Shape: Square; Brand: DAYTON; High-Efficiency Motor: No; For High-Static Pressure Applications: No; Hazardous Location Specification: Class I Group C, Class I Group D, Class II Group E, Class II Group F, Class II Group G; Motor Enclosure: Totally Enclosed Fan Cooled; Mounting Location: Roof.
Centrifugal Downblast Roof Exhaust Fan: Belt Drive, Includes Drive Pack, 30 1/2 in Wheel, 6,803 cfm (MPN 7AF26). Key specifications — Assembly: Unassembled; Base Shape: Square; Brand: DAYTON; High-Efficiency Motor: No; For High-Static Pressure Applications: No; Hazardous Location Specification: Class I Group C, Class I Group D, Class II Group E, Class II Group F, Class II Group G; Motor Enclosure: Totally Enclosed Fan Cooled; Mounting Location: Roof.
Dayton
Centrifugal Downblast Roof Exhaust Fan: Belt Drive, Includes Drive Pack, 30 1/2 in Wheel, 6,803 cfm (MPN 7AF26). Key specifications — Assembly: Unassembled; Base Shape: Square; Brand: DAYTON; High-Efficiency Motor: No; For High-Static Pressure Applications: No; Hazardous Location Specification: Class I Group C, Class I Group D, Class II Group E, Class II Group F, Class II Group G; Motor Enclosure: Totally Enclosed Fan Cooled; Mounting Location: Roof.
Centrifugal Downblast Roof Exhaust Fan: Belt Drive, Includes Drive Pack, 24 1/2 in Wheel, 6,060 cfm (MPN 7AF22). Key specifications — Assembly: Unassembled; Base Shape: Square; Brand: DAYTON; High-Efficiency Motor: No; For High-Static Pressure Applications: No; Hazardous Location Specification: Class I Group C, Class I Group D, Class II Group E, Class II Group F, Class II Group G; Motor Enclosure: Totally Enclosed Fan Cooled; Mounting Location: Roof.
Dayton
Centrifugal Downblast Roof Exhaust Fan: Belt Drive, Includes Drive Pack, 24 1/2 in Wheel, 6,060 cfm (MPN 7AF22). Key specifications — Assembly: Unassembled; Base Shape: Square; Brand: DAYTON; High-Efficiency Motor: No; For High-Static Pressure Applications: No; Hazardous Location Specification: Class I Group C, Class I Group D, Class II Group E, Class II Group F, Class II Group G; Motor Enclosure: Totally Enclosed Fan Cooled; Mounting Location: Roof.
Centrifugal Downblast Roof Exhaust Fan: Belt Drive, Includes Drive Pack, 24 1/2 in Wheel, 6,702 cfm (MPN 7AF23). Key specifications — Assembly: Unassembled; Base Shape: Square; Brand: DAYTON; High-Efficiency Motor: No; For High-Static Pressure Applications: No; Hazardous Location Specification: Class I Group C, Class I Group D, Class II Group E, Class II Group F, Class II Group G; Motor Enclosure: Totally Enclosed Fan Cooled; Mounting Location: Roof.
Dayton
Centrifugal Downblast Roof Exhaust Fan: Belt Drive, Includes Drive Pack, 24 1/2 in Wheel, 6,702 cfm (MPN 7AF23). Key specifications — Assembly: Unassembled; Base Shape: Square; Brand: DAYTON; High-Efficiency Motor: No; For High-Static Pressure Applications: No; Hazardous Location Specification: Class I Group C, Class I Group D, Class II Group E, Class II Group F, Class II Group G; Motor Enclosure: Totally Enclosed Fan Cooled; Mounting Location: Roof.
Centrifugal Downblast Roof Exhaust Fan: Belt Drive, Includes Drive Pack, 24 1/2 in Wheel, 5,371 cfm (MPN 7AF02). Key specifications — Assembly: Unassembled; Base Shape: Square; Brand: DAYTON; High-Efficiency Motor: No; For High-Static Pressure Applications: No; Hazardous Location Specification: Class I Group C, Class I Group D, Class II Group E, Class II Group F, Class II Group F; Motor Enclosure: Totally Enclosed Fan Cooled; Mounting Location: Roof.
Dayton
Centrifugal Downblast Roof Exhaust Fan: Belt Drive, Includes Drive Pack, 24 1/2 in Wheel, 5,371 cfm (MPN 7AF02). Key specifications — Assembly: Unassembled; Base Shape: Square; Brand: DAYTON; High-Efficiency Motor: No; For High-Static Pressure Applications: No; Hazardous Location Specification: Class I Group C, Class I Group D, Class II Group E, Class II Group F, Class II Group F; Motor Enclosure: Totally Enclosed Fan Cooled; Mounting Location: Roof.

More from Dayton

View all Dayton parts →
Centrifugal Downblast Roof Exhaust Fan: Belt Drive, Includes Drive Pack, 11 in Wheel, 1,526 cfm, 3 (MPN 7AF08). Key specifications — Assembly: Unassembled; Base Shape: Square; Brand: DAYTON; High-Efficiency Motor: No; For High-Static Pressure Applications: No; Hazardous Location Specification: Class I Group C, Class I Group D, Class II Group E, Class II Group F, Class II Group F; Motor Enclosure: Totally Enclosed Nonventilated; Mounting Location: Roof.
Dayton
Centrifugal Downblast Roof Exhaust Fan: Belt Drive, Includes Drive Pack, 11 in Wheel, 1,526 cfm, 3 (MPN 7AF08). Key specifications — Assembly: Unassembled; Base Shape: Square; Brand: DAYTON; High-Efficiency Motor: No; For High-Static Pressure Applications: No; Hazardous Location Specification: Class I Group C, Class I Group D, Class II Group E, Class II Group F, Class II Group F; Motor Enclosure: Totally Enclosed Nonventilated; Mounting Location: Roof.
DAYTON Tubeaxial Fan: Flammable Vapor, 12 in Blade, 1,904 cfm @ 0.000 in SP, 208-230/460V AC, 1/2 hp (MPN 7AF36). Key specifications — Brand: DAYTON; Includes Drive Package: Yes; Spark Resistant Construction Type: B; Assembly: Unassembled; Nameplate Voltage: 208-230/460V AC; Mounting Orientation: Horizontal; Hazardous Location Specification: Class I Group C; Class I Group D.
Dayton
DAYTON Tubeaxial Fan: Flammable Vapor, 12 in Blade, 1,904 cfm @ 0.000 in SP, 208-230/460V AC, 1/2 hp (MPN 7AF36). Key specifications — Brand: DAYTON; Includes Drive Package: Yes; Spark Resistant Construction Type: B; Assembly: Unassembled; Nameplate Voltage: 208-230/460V AC; Mounting Orientation: Horizontal; Hazardous Location Specification: Class I Group C; Class I Group D.
DAYTON Tubeaxial Fan: Flammable Vapor, 60 in Blade, 50,567 cfm @ 0.000 in SP, 230/460V AC, 3 Phase (MPN 7AV01). 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
DAYTON Tubeaxial Fan: Flammable Vapor, 60 in Blade, 50,567 cfm @ 0.000 in SP, 230/460V AC, 3 Phase (MPN 7AV01). 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, 24 in Blade, 10,310 cfm @ 0.000 in SP, 230/460V AC, 3 Phase (MPN 7F835). 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
DAYTON Tubeaxial Fan: Flammable Vapor, 24 in Blade, 10,310 cfm @ 0.000 in SP, 230/460V AC, 3 Phase (MPN 7F835). 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.
Centrifugal Downblast Roof Exhaust Fan: Belt Drive, Includes Drive Pack, 18 1/2 in Wheel, 2,839 cfm (MPN 7AE94). Key specifications — Assembly: Unassembled; Base Shape: Square; Brand: DAYTON; High-Efficiency Motor: No; For High-Static Pressure Applications: No; Hazardous Location Specification: Class I Group C, Class I Group D, Class II Group E, Class II Group F, Class II Group F; Motor Enclosure: Totally Enclosed Nonventilated; Mounting Location: Roof.
Dayton
Centrifugal Downblast Roof Exhaust Fan: Belt Drive, Includes Drive Pack, 18 1/2 in Wheel, 2,839 cfm (MPN 7AE94). Key specifications — Assembly: Unassembled; Base Shape: Square; Brand: DAYTON; High-Efficiency Motor: No; For High-Static Pressure Applications: No; Hazardous Location Specification: Class I Group C, Class I Group D, Class II Group E, Class II Group F, Class II Group F; Motor Enclosure: Totally Enclosed Nonventilated; Mounting Location: Roof.
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
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.
Dayton
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.
Dayton
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.