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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, model 7AF20. It is unassembled, features a square base, and includes a drive package. The fan has a 24 1/2-inch wheel…

SKU 3G-OTH-81812

Brand
Dayton
Item
Centrifugal Downblast Roof Exhaust Fan: Belt Drive, Includes Drive Pack
Category
Flammable Vapor Belt-Drive Fans with Drive
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Technical Specifications

Dayton
Manufacturer Part Number
7AF20
Type
Includes Drive Pack, 4,637 cfm
Wheel
24 1/2 in
Assembly
Unassembled
Base Shape
Square
Drive Package
Includes Drive Package
Motor Enclosure
Totally Enclosed Nonventilated
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
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 Downblast Roof Exhaust Fan is a flammable vapor belt-drive fan with drive, model 7AF20. It is unassembled, features a square base, and includes a drive package. The fan has a 24 1/2-inch wheel, delivers 4,637 cfm exhaust airflow, and is rated for hazardous locations including Class I Groups C & D and Class II Groups E, F & G. It operates with a 230/460V AC, totally enclosed nonventilated, standard-efficiency motor.

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 7AF20 centrifugal downblast roof exhaust fan used for?

The Dayton 7AF20 is a flammable vapor belt-drive roof exhaust fan designed for hazardous locations classified as Class I Groups C & D and Class II Groups E, F & G. It is used to exhaust fumes, vapors, or dust-laden air from industrial facilities such as chemical plants, paint booths, or grain handling operations.

What are the specifications of the Dayton 7AF20 roof exhaust fan?

The Dayton 7AF20 is a belt-drive downblast roof fan with a 24 1/2-inch wheel delivering 4,637 cfm exhaust airflow. It operates on 230/460V AC with a totally enclosed nonventilated motor. The fan is unassembled, has a square base, includes a drive package, and is rated for hazardous locations Class I Groups C & D and Class II Groups E, F & G.

Where to buy the Dayton 7AF20 exhaust fan worldwide?

3G Electric supplies the Dayton 7AF20 centrifugal downblast 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 7AF20 roof exhaust fan?

Install the Dayton 7AF20 unassembled fan by mounting the square base on a roof curb, ensuring proper sealing for weather protection. Connect the belt-drive system per the included drive pack instructions, wire the 230/460V AC motor to a suitable disconnect, and verify hazardous location compliance. Always follow local electrical codes and use certified conduit seals.

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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