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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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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

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.

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
This wall-mount backdraft damper features a single-panel flat blade design and is intended for vertical mounting with horizontal airflow. It measures 23 inches in height, 23 inches in width, and 3 inches in depth, with a maximum air velocity of 2500 fpm. Suitable for use in exhaust systems to prevent reverse airflow
Dayton
This wall-mount backdraft damper features a single-panel flat blade design and is intended for vertical mounting with horizontal airflow. It measures 23 inches in height, 23 inches in width, and 3 inches in depth, with a maximum air velocity of 2500 fpm. Suitable for use in exhaust systems to prevent reverse airflow
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
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 features flat aluminum blades and is designed for horizontal airflow with vertical mounting. It prevents reverse airflow in ventilation systems, allowing air to flow in one direction only. Suitable for use with fans in exhaust or intake applications, it supports a maximum air velocity of 2500 fpm
Dayton
This wall-mount backdraft damper features flat aluminum blades and is designed for horizontal airflow with vertical mounting. It prevents reverse airflow in ventilation systems, allowing air to flow in one direction only. Suitable for use with fans in exhaust or intake applications, it supports a maximum air velocity of 2500 fpm
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

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This single-panel flat-blade backdraft damper is designed for vertical wall mounting in exhaust systems. It allows horizontal airflow up to 2500 fpm while preventing reverse flow. Suitable for use with a 16-inch fan in industrial ventilation applications
Dayton
This single-panel flat-blade backdraft damper is designed for vertical wall mounting in exhaust systems. It allows horizontal airflow up to 2500 fpm while preventing reverse flow. Suitable for use with a 16-inch fan in industrial ventilation applications
This wall-mount backdraft damper prevents reverse airflow when the fan is off. It features a single-panel flat blade design with extruded aluminum construction. The damper measures 15 inches in height and width with a 3-inch depth, supports horizontal airflow, and mounts vertically. Maximum air velocity is 3250 fpm
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This wall-mount backdraft damper prevents reverse airflow when the fan is off. It features a single-panel flat blade design with extruded aluminum construction. The damper measures 15 inches in height and width with a 3-inch depth, supports horizontal airflow, and mounts vertically. Maximum air velocity is 3250 fpm
This wall-mount backdraft damper features double-panel construction with flat aluminum blades. Designed for vertical mounting, it allows horizontal airflow in one direction and prevents reverse flow when the system is off. Suitable for exhaust systems requiring a maximum air velocity of 2500 fpm
Dayton
This wall-mount backdraft damper features double-panel construction with flat aluminum blades. Designed for vertical mounting, it allows horizontal airflow in one direction and prevents reverse flow when the system is off. Suitable for exhaust systems requiring a maximum air velocity of 2500 fpm
This wall-mount backdraft damper prevents reverse airflow when the fan is off, maintaining system efficiency. It features a double-panel flat blade design for horizontal airflow and vertical mounting, supporting a maximum air velocity of 2500 fpm. Suitable for use with a 60-inch fan in ventilation systems
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This wall-mount backdraft damper prevents reverse airflow when the fan is off, maintaining system efficiency. It features a double-panel flat blade design for horizontal airflow and vertical mounting, supporting a maximum air velocity of 2500 fpm. Suitable for use with a 60-inch fan in ventilation systems
This wall-mount backdraft damper features a single-panel aluminum shutter with flat blades. Designed for vertical mounting, it allows horizontal airflow in one direction while preventing reverse flow when the fan is off. Suitable for use with a 20-inch fan, it handles a maximum air velocity of 2500 fpm
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This wall-mount backdraft damper features a single-panel aluminum shutter with flat blades. Designed for vertical mounting, it allows horizontal airflow in one direction while preventing reverse flow when the fan is off. Suitable for use with a 20-inch fan, it handles a maximum air velocity of 2500 fpm
Wall-mount backdraft damper with double-panel construction, flat blades, and horizontal airflow direction. Designed for vertical mounting to prevent reverse airflow in ventilation systems. Maximum air velocity of 2500 fpm. Dimensions: 27 in height, 27 in width, 2 in depth
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Wall-mount backdraft damper with double-panel construction, flat blades, and horizontal airflow direction. Designed for vertical mounting to prevent reverse airflow in ventilation systems. Maximum air velocity of 2500 fpm. Dimensions: 27 in height, 27 in width, 2 in depth
This wall-mount backdraft damper features a single-panel flat blade design for horizontal airflow and vertical mounting. It measures 13 inches high by 13 inches wide with a depth of 2.5 inches, and is rated for a maximum air velocity of 2500 fpm. Suitable for use in ventilation systems where prevention of reverse airflow is required
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This wall-mount backdraft damper features a single-panel flat blade design for horizontal airflow and vertical mounting. It measures 13 inches high by 13 inches wide with a depth of 2.5 inches, and is rated for a maximum air velocity of 2500 fpm. Suitable for use in ventilation systems where prevention of reverse airflow is required
Wall-mount backdraft damper with a single-panel extruded aluminum flat blade. Designed for horizontal airflow in vertical mounting positions. Measures 19 inches high by 19 inches wide with a 3-inch depth. Supports maximum air velocity of 3250 fpm
Dayton
Wall-mount backdraft damper with a single-panel extruded aluminum flat blade. Designed for horizontal airflow in vertical mounting positions. Measures 19 inches high by 19 inches wide with a 3-inch depth. Supports maximum air velocity of 3250 fpm