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Dayton Clean Air Belt-Drive Fan with Drive, 30 1/2 in Wheel, 12,311 cfm - Clean Air Belt-Drive Fans with Drive
DaytonClean Air Belt-Drive Fans with Drive

Dayton Clean Air Belt-Drive Fan with Drive, 30 1/2 in Wheel, 12,311 cfm

The Dayton Centrifugal Downblast Roof Exhaust Fan (SKU 3G-OTH-81605) is a belt-drive clean air fan with drive package, assembled with a 30 1/2 in wheel and a square base. It features an Open Dripproof…

SKU 3G-OTH-81605

Brand
Dayton
Item
Clean Air Belt-Drive Fan with Drive, 30 1/2 in Wheel, 12,311 cfm
Category
Clean Air Belt-Drive Fans with Drive
Available to Order
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Technical specs
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Local availability & support — the Philippines

Delivery
5–8 business days door-to-door; Bureau of Customs clearance typically 2–4 business days.
Payment
Invoicing in PHP or USD. Bank transfer and corporate PO accepted.
Ships to
Manila, Quezon City, Cebu, Davao, Batangas

Technical Specifications

Dayton
Type
Includes Drive Pack, 12,311 cfm
Wheel
30 1/2 in
Assembly
Assembled
Base Shape
Square
Drive Package
Includes Drive Package
Motor Enclosure
Open Dripproof
Motor Efficiency
Standard-Efficiency Motors
Number of Speeds
1
Mounting Location
Roof
Nameplate Voltage
208-230/460V AC
High-Efficiency Motor
No
Exhaust Airflow @ 0.000 in SP - Range
More than 10,000 cfm
Exhaust Airflow @ 0.500 in SP - Range
More than 10,000 cfm
For High-Static Pressure Applications
No

Technical Documents

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

Product Description

The Dayton Centrifugal Downblast Roof Exhaust Fan (SKU 3G-OTH-81605) is a belt-drive clean air fan with drive package, assembled with a 30 1/2 in wheel and a square base. It features an Open Dripproof, standard-efficiency motor with a single speed and nameplate voltage of 208-230/460V AC, delivering exhaust airflow over 10,000 cfm at both 0.000 in SP and 0.500 in SP. This roof-mounted unit is not designed for high-static-pressure applications and does not include a high-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 Centrifugal Downblast Roof Exhaust Fan used for?

The Dayton Centrifugal Downblast Roof Exhaust Fan () is designed for general clean-air exhaust applications on commercial or industrial roofs. It moves over 10,000 cfm at low static pressures, making it suitable for ventilating warehouses, factories, or large open spaces where high static pressure is not required.

What are the specifications of the Dayton roof exhaust fan?

The Dayton is a belt-drive, assembled fan with a 30 1/2 in wheel and square base. It includes a drive package and an Open Dripproof, standard-efficiency motor rated at 208-230/460V AC, single speed. Exhaust airflow exceeds 10,000 cfm at both 0.000 in SP and 0.500 in SP. It is not for high-static-pressure applications.

Where to buy the Dayton exhaust fan worldwide?

You can source the Dayton Centrifugal Downblast Roof Exhaust Fan through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time; we supply genuine Dayton components for your project.

How to install a Dayton belt-drive roof exhaust fan?

Install the Dayton on a structurally sound roof curb with a square opening. Ensure the belt drive is properly tensioned and aligned per the included drive pack instructions. Connect the Open Dripproof motor to the correct 208-230/460V AC supply. Follow local codes and use a licensed electrician for 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 clean air 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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Belt-drive roof exhaust fan with drive package, assembled for square-base mounting. Features an 18 1/2 in wheel delivering 4,608 cfm at low static pressure. Powered by a single-speed, open dripproof, standard-efficiency motor rated 115/208-230V AC. Suitable for general ventilation and odor removal in commercial or industrial buildings
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Belt-drive roof exhaust fan with drive package, assembled for square-base mounting. Features an 18 1/2 in wheel delivering 4,608 cfm at low static pressure. Powered by a single-speed, open dripproof, standard-efficiency motor rated 115/208-230V AC. Suitable for general ventilation and odor removal in commercial or industrial buildings
This belt-drive centrifugal downblast roof exhaust fan includes a drive package and is assembled with a square base. It features a 24 1/2 in wheel and an open dripproof motor operating at single speed on 208-230/460V AC. Designed for roof mounting, it delivers exhaust airflow from 5,000 to 10,000 cfm at low static pressures for general clean-air ventilation
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This belt-drive centrifugal downblast roof exhaust fan includes a drive package and is assembled with a square base. It features a 24 1/2 in wheel and an open dripproof motor operating at single speed on 208-230/460V AC. Designed for roof mounting, it delivers exhaust airflow from 5,000 to 10,000 cfm at low static pressures for general clean-air ventilation
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This assembled belt-drive fan includes a drive package and is designed for roof mounting with a square base. It features a 21 1/2 in wheel and delivers 6,032 cfm exhaust airflow. The single-speed, standard-efficiency open dripproof motor operates at 115/208-230V AC. Suitable for general clean-air ventilation in commercial and industrial buildings, it is not intended for high-static-pressure applications
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This assembled belt-drive fan includes a drive package and is designed for roof mounting with a square base. It features a 21 1/2 in wheel and delivers 6,032 cfm exhaust airflow. The single-speed, standard-efficiency open dripproof motor operates at 115/208-230V AC. Suitable for general clean-air ventilation in commercial and industrial buildings, it is not intended for high-static-pressure applications
Assembled belt-drive fan with drive package for roof mounting. Features a 21 1/2 in wheel, delivers 6,032 cfm exhaust airflow. Includes an open dripproof, standard-efficiency single-speed motor rated 208-230/460V AC. Square base shape; suitable for general ventilation in commercial or industrial spaces where high static pressure is not required
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Assembled belt-drive fan with drive package for roof mounting. Features a 21 1/2 in wheel, delivers 6,032 cfm exhaust airflow. Includes an open dripproof, standard-efficiency single-speed motor rated 208-230/460V AC. Square base shape; suitable for general ventilation in commercial or industrial spaces where high static pressure is not required
Centrifugal Downblast Roof Exhaust Fan: Belt Drive, Includes Drive Pack, 30 1/2 in Wheel, 9,719 cfm
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Centrifugal Downblast Roof Exhaust Fan: Belt Drive, Includes Drive Pack, 30 1/2 in Wheel, 9,719 cfm

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This belt-drive centrifugal downblast roof exhaust fan is designed for clean air ventilation applications. It includes a drive package and features an open dripproof, standard-efficiency motor rated at 208-230/440V AC. The fan delivers 2,866 cfm with a 14 3/4 in wheel and is supplied unassembled with a square base. Suitable for general exhaust where high static pressure is not required
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Unassembled belt-drive roof exhaust fan with square base and included drive package. Features a 30 1/2 in wheel delivering 9,719 cfm at 0.000 in SP. Powered by a single-speed, open-dripproof, standard-efficiency motor rated for 115/230V AC. Suitable for general clean-air ventilation in commercial and industrial buildings where high static pressure is not required
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Belt-drive centrifugal downblast roof exhaust fan for general ventilation in commercial or industrial buildings. Includes drive package, 26 1/2 in wheel, delivers 9,493 cfm at low static pressures. Single-speed, open-dripproof, standard-efficiency motor, 208-230/460V AC. Unassembled with square base
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Belt-drive centrifugal downblast roof exhaust fan for general ventilation in commercial or industrial buildings. Includes drive package, 26 1/2 in wheel, delivers 9,493 cfm at low static pressures. Single-speed, open-dripproof, standard-efficiency motor, 208-230/460V AC. Unassembled with square base