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Dayton 33 in H x 33 in W Single Panel Flat Blade Wall-Mount Backdraft Damper - Wall-Mount Backdraft Dampers
DaytonWall-Mount Backdraft Dampers

Dayton 33 in H x 33 in W Single Panel Flat Blade Wall-Mount Backdraft Damper

The Dayton 33"H-W 6.5"L Fiberglass Backdraft Damper (SKU 3G-OTH-75529) is a wall-mount backdraft damper designed for use with a 30-inch fan. It features a single-panel, flat blade design with a horizontal airflow…

SKU 3G-OTH-75529

Brand
Dayton
Item
33 in H x 33 in W Single Panel Flat Blade Wall-Mount Backdraft Damper
Category
Wall-Mount Backdraft Dampers
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
Single Panel, 33 in W
D
3 in
H
33 in
Blade Type
Flat Blade
Airflow Direction
Horizontal
Mounting Position
Vertical
Maximum Air Velocity
2500 fpm

Technical Documents

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

Product Description

The Dayton 33"H-W 6.5"L Fiberglass Backdraft Damper (SKU 3G-OTH-75529) is a wall-mount backdraft damper designed for use with a 30-inch fan. It features a single-panel, flat blade design with a horizontal airflow direction and vertical mounting position, supporting a maximum air velocity of 2500 fpm. The damper measures 33 inches in height, 33 inches in width, and 3 inches in depth.

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 backdraft damper used for?

The Dayton backdraft damper is used to prevent reverse airflow in exhaust systems, typically with a 30-inch fan. It is wall-mounted in a vertical position and allows horizontal airflow in one direction only, making it suitable for industrial ventilation and fume extraction applications.

What are the specifications of the Dayton damper?

The Dayton is a single-panel, flat-blade backdraft damper measuring 33 inches high, 33 inches wide, and 3 inches deep. It has a maximum air velocity of 2500 fpm, horizontal airflow direction, and vertical mounting position. The fiberglass construction is designed for durability in industrial environments.

Where to buy the Dayton damper worldwide?

3G Electric supplies the Dayton backdraft damper 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 to any international destination.

How to install the Dayton backdraft damper?

Install the Dayton damper in a vertical wall opening, ensuring the airflow direction arrow points away from the fan. Secure the frame with appropriate fasteners and seal the perimeter to prevent air leaks. The damper blades open automatically with forward airflow and close by gravity when flow stops.

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 wall-mount backdraft dampers. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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Compatible alternatives & equivalents

Cross-referenced by specification & description
23"H-W 6.5"L Fiberglass Backdraft Damper: For 20 in Fan, Single Panel, 23 in H, 23 in W, 3 in D
Dayton
23"H-W 6.5"L Fiberglass Backdraft Damper: For 20 in Fan, Single Panel, 23 in H, 23 in W, 3 in D
This single-panel backdraft damper with flat blades is designed for vertical mounting in wall openings. It allows horizontal airflow in one direction while preventing reverse flow, suitable for exhaust systems in commercial or industrial ventilation. Maximum air velocity is 2500 fpm
Dayton
This single-panel backdraft damper with flat blades is designed for vertical mounting in wall openings. It allows horizontal airflow in one direction while preventing reverse flow, suitable for exhaust systems in commercial or industrial ventilation. Maximum air velocity is 2500 fpm
19"H-W 6.5"L Fiberglass Backdraft Damper: For 16 in Fan, Single Panel, 19 in H, 19 in W, 3 in D
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19"H-W 6.5"L Fiberglass Backdraft Damper: For 16 in Fan, Single Panel, 19 in H, 19 in W, 3 in D
57"H-W 6 1/4"L Aluminum Backdraft Damper: For 54 in Fan, Double Panel, 57 in H, 57 in W, 3 in D
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57"H-W 6 1/4"L Aluminum Backdraft Damper: For 54 in Fan, Double Panel, 57 in H, 57 in W, 3 in D
This wall-mount backdraft damper features flat blades and is designed for horizontal airflow with vertical mounting. It has a maximum air velocity of 2500 fpm and is suitable for use in ventilation systems to prevent reverse airflow
Dayton
This wall-mount backdraft damper features flat blades and is designed for horizontal airflow with vertical mounting. It has a maximum air velocity of 2500 fpm and is suitable for use in ventilation systems to prevent reverse airflow
Wall-mount backdraft damper with flat aluminum blades, designed for horizontal airflow in vertical mounting position. Measures 21 in high, 21 in wide, 2 1/2 in deep. Supports maximum air velocity of 2500 fpm. Used in ventilation systems to prevent reverse airflow
Dayton
Wall-mount backdraft damper with flat aluminum blades, designed for horizontal airflow in vertical mounting position. Measures 21 in high, 21 in wide, 2 1/2 in deep. Supports maximum air velocity of 2500 fpm. Used in ventilation systems to prevent reverse airflow

More from Dayton

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This wall-mount backdraft damper is designed for vertical mounting with horizontal airflow, suitable for ventilation systems requiring one-way exhaust. It features a single-panel flat blade construction in aluminum, with a maximum air velocity of 2250 fpm. The 19-3/4 inch height and width accommodate a 16-inch fan opening
Dayton
This wall-mount backdraft damper is designed for vertical mounting with horizontal airflow, suitable for ventilation systems requiring one-way exhaust. It features a single-panel flat blade construction in aluminum, with a maximum air velocity of 2250 fpm. The 19-3/4 inch height and width accommodate a 16-inch fan opening
This wall-mount backdraft damper is designed for vertical mounting in exhaust systems, allowing horizontal airflow. It features a single-panel, flat-blade construction with a 27-inch height and width and a 3-inch depth. Rated for a maximum air velocity of 2500 fpm, it prevents reverse airflow when the fan is off
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This wall-mount backdraft damper is designed for vertical mounting in exhaust systems, allowing horizontal airflow. It features a single-panel, flat-blade construction with a 27-inch height and width and a 3-inch depth. Rated for a maximum air velocity of 2500 fpm, it prevents reverse airflow when the fan is off
Aluminum wall-mount backdraft damper with single panel flat blade design. Measures 12 3/4 inches high and wide. Mounts vertically for horizontal airflow, maximum air velocity 2250 fpm. Prevents reverse airflow when fan is off in ventilation systems
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Aluminum wall-mount backdraft damper with single panel flat blade design. Measures 12 3/4 inches high and wide. Mounts vertically for horizontal airflow, maximum air velocity 2250 fpm. Prevents reverse airflow when fan is off in ventilation systems
This wall-mount backdraft damper features flat blades and is designed for vertical mounting with horizontal airflow. It has a double-panel aluminum construction and measures 39 inches high, 39 inches wide, and 2.5 inches deep. Suitable for use in ventilation systems where backdraft prevention is required, with a maximum air velocity of 2500 fpm
Dayton
This wall-mount backdraft damper features flat blades and is designed for vertical mounting with horizontal airflow. It has a double-panel aluminum construction and measures 39 inches high, 39 inches wide, and 2.5 inches deep. Suitable for use in ventilation systems where backdraft prevention is required, with a maximum air velocity of 2500 fpm
This wall-mount backdraft damper features a single-panel, flat-blade design for horizontal airflow control. It mounts vertically and is suitable for exhaust systems requiring one-way airflow, such as commercial ventilation and industrial HVAC. Maximum air velocity is 2500 fpm
Dayton
This wall-mount backdraft damper features a single-panel, flat-blade design for horizontal airflow control. It mounts vertically and is suitable for exhaust systems requiring one-way airflow, such as commercial ventilation and industrial HVAC. Maximum air velocity is 2500 fpm
This wall-mount backdraft damper is designed for horizontal airflow in vertical mounting positions. It features flat blades and a maximum air velocity of 2500 fpm. Suitable for exhaust or intake ventilation systems to prevent reverse airflow
Dayton
This wall-mount backdraft damper is designed for horizontal airflow in vertical mounting positions. It features flat blades and a maximum air velocity of 2500 fpm. Suitable for exhaust or intake ventilation systems to prevent reverse airflow
This wall-mount backdraft damper is designed for vertical mounting in exhaust or intake systems. It features flat blades that open with forward airflow and close by gravity when flow stops, preventing reverse airflow. Suitable for use with a 30-inch fan, it has a maximum air velocity of 2500 fpm
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This wall-mount backdraft damper is designed for vertical mounting in exhaust or intake systems. It features flat blades that open with forward airflow and close by gravity when flow stops, preventing reverse airflow. Suitable for use with a 30-inch fan, it has a maximum air velocity of 2500 fpm
This wall-mount backdraft damper is designed for horizontal airflow in vertical mounting positions. It features a flat blade type and a fiberglass rear flange. Dimensions: 15 in height, 15 in width, 3 3/8 in depth. Suitable for ventilation systems requiring one-way airflow control
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This wall-mount backdraft damper is designed for horizontal airflow in vertical mounting positions. It features a flat blade type and a fiberglass rear flange. Dimensions: 15 in height, 15 in width, 3 3/8 in depth. Suitable for ventilation systems requiring one-way airflow control