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Dayton Universal-Mount Backdraft Damper - Universal-Mount Backdraft Dampers
DaytonUniversal-Mount Backdraft Dampers

Dayton Universal-Mount Backdraft Damper

The Dayton is a universal-mount backdraft damper with flat blades, designed for vertical airflow and vertical mounting. It measures 49.75 inches high by 4.5 inches long, fits a 48-inch fan and a 50-inch nominal duct…

SKU 3G-OTH-74804

Brand
Dayton
Item
Universal-Mount Backdraft Damper
Category
Universal-Mount Backdraft Dampers
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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
For 50 in Nominal Duct Dia, Double Panel
Blade Type
Flat Blade
Airflow Direction
Vertical
Mounting Position
Vertical
Maximum Air Velocity
2000 fpm

Technical Documents

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

Product Description

The Dayton is a universal-mount backdraft damper with flat blades, designed for vertical airflow and vertical mounting. It measures 49.75 inches high by 4.5 inches long, fits a 48-inch fan and a 50-inch nominal duct diameter, and has a maximum air velocity of 2000 fpm. This double-panel aluminum damper prevents reverse airflow in industrial ventilation systems.

Frequently Asked Questions

What is the Dayton backdraft damper used for?

The Dayton universal-mount backdraft damper prevents reverse airflow in industrial ventilation systems. It is designed for vertical airflow and vertical mounting, fitting a 48-inch fan and a 50-inch nominal duct diameter. Its flat aluminum blades close automatically when airflow stops, protecting equipment and maintaining system efficiency.

What are the specifications of the Dayton damper?

The Dayton has a maximum air velocity of 2000 fpm, flat blade type, and double-panel aluminum construction. It measures 49.75 inches high by 4.5 inches long, with vertical airflow direction and vertical mounting position. It fits a 48-inch fan and a 50-inch nominal duct diameter.

Where to buy the Dayton backdraft damper worldwide?

3G Electric supplies the Dayton backdraft damper to customers 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 a quote for your region.

How to install the Dayton backdraft damper?

Install the Dayton in a vertical duct section with airflow direction matching the arrow on the damper frame. Ensure the mounting surface is flat and secure the damper using appropriate fasteners. Verify the blades move freely before operation. Follow standard industrial ventilation installation practices for best results.

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 universal-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
41.75"H-W 4.5"L Aluminum Backdraft Dampr: For 42 in Fan, For 42 in Nominal Duct Dia, Single Panel
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41.75"H-W 4.5"L Aluminum Backdraft Dampr: For 42 in Fan, For 42 in Nominal Duct Dia, Single Panel
61.75"H-W 4.5"L Aluminum Backdraft Dampr: For 60 in Fan, For 62 in Nominal Duct Dia, Double Panel
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61.75"H-W 4.5"L Aluminum Backdraft Dampr: For 60 in Fan, For 62 in Nominal Duct Dia, Double Panel
55.75"H-W 4.5"L Aluminum Backdraft Dampr: For 54 in Fan, For 56 in Nominal Duct Dia, Double Panel
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55.75"H-W 4.5"L Aluminum Backdraft Dampr: For 54 in Fan, For 56 in Nominal Duct Dia, Double Panel
This universal-mount backdraft damper is designed for 60-inch nominal duct diameter and 60-inch fans. It features a double-panel aluminum construction with flat blades, supporting vertical airflow and horizontal mounting. Maximum air velocity is 2000 fpm. Suitable for preventing reverse airflow in ventilation systems
Dayton
This universal-mount backdraft damper is designed for 60-inch nominal duct diameter and 60-inch fans. It features a double-panel aluminum construction with flat blades, supporting vertical airflow and horizontal mounting. Maximum air velocity is 2000 fpm. Suitable for preventing reverse airflow in ventilation systems
Backdraft damper for 10-inch nominal duct diameter, designed to prevent reverse airflow in ventilation systems. Single-panel construction with flat blade, suitable for vertical airflow and horizontal mounting. Maximum air velocity 2000 fpm
Dayton
Backdraft damper for 10-inch nominal duct diameter, designed to prevent reverse airflow in ventilation systems. Single-panel construction with flat blade, suitable for vertical airflow and horizontal mounting. Maximum air velocity 2000 fpm
33.75"H-W 4.5"L Aluminum Backdraft Dampr: For 34 in Fan, For 34 in Nominal Duct Dia, Single Panel
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33.75"H-W 4.5"L Aluminum Backdraft Dampr: For 34 in Fan, For 34 in Nominal Duct Dia, Single Panel

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This backdraft damper is designed for vertical mounting in 28-inch nominal duct systems. It features a single-panel, flat blade construction and supports vertical airflow direction. Suitable for use with fans and ducts to prevent reverse airflow, with a maximum air velocity of 2000 fpm
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This backdraft damper is designed for vertical mounting in 28-inch nominal duct systems. It features a single-panel, flat blade construction and supports vertical airflow direction. Suitable for use with fans and ducts to prevent reverse airflow, with a maximum air velocity of 2000 fpm
This backdraft damper is designed for horizontal mounting in duct systems with horizontal airflow. It features a flat blade construction and is rated for a maximum air velocity of 2000 fpm. Suitable for use with a 12-inch fan and 14-inch nominal duct diameter in commercial ventilation and exhaust applications
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This backdraft damper is designed for horizontal mounting in duct systems with horizontal airflow. It features a flat blade construction and is rated for a maximum air velocity of 2000 fpm. Suitable for use with a 12-inch fan and 14-inch nominal duct diameter in commercial ventilation and exhaust applications
This universal-mount backdraft damper is designed for a 30-inch nominal duct diameter and features a single-panel flat blade construction. It supports horizontal airflow and vertical mounting, with a maximum air velocity of 2000 fpm. Suitable for use in exhaust or ventilation systems where reverse airflow prevention is required
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This universal-mount backdraft damper is designed for a 30-inch nominal duct diameter and features a single-panel flat blade construction. It supports horizontal airflow and vertical mounting, with a maximum air velocity of 2000 fpm. Suitable for use in exhaust or ventilation systems where reverse airflow prevention is required
This universal-mount backdraft damper is designed for horizontal airflow and vertical mounting. It features a single panel with flat blades and measures 26 3/4 inches high by 26 3/4 inches wide. Suitable for use in ventilation systems to prevent reverse airflow, it handles a maximum air velocity of 2250 fpm
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This universal-mount backdraft damper is designed for horizontal airflow and vertical mounting. It features a single panel with flat blades and measures 26 3/4 inches high by 26 3/4 inches wide. Suitable for use in ventilation systems to prevent reverse airflow, it handles a maximum air velocity of 2250 fpm
This universal-mount backdraft damper prevents reverse airflow in horizontal duct systems. It features flat aluminum blades in a double-panel design, rated for horizontal mounting and horizontal airflow with a maximum air velocity of 2000 fpm. Suitable for industrial ventilation and exhaust applications requiring one-way airflow
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This universal-mount backdraft damper prevents reverse airflow in horizontal duct systems. It features flat aluminum blades in a double-panel design, rated for horizontal mounting and horizontal airflow with a maximum air velocity of 2000 fpm. Suitable for industrial ventilation and exhaust applications requiring one-way airflow
This universal-mount backdraft damper is designed for use with a 36-inch fan and 36-inch nominal duct diameter. It features flat blades, supports horizontal airflow direction, and is intended for vertical mounting. The damper has a maximum air velocity of 2250 fpm and is suitable for preventing reverse airflow in ventilation systems
Dayton
This universal-mount backdraft damper is designed for use with a 36-inch fan and 36-inch nominal duct diameter. It features flat blades, supports horizontal airflow direction, and is intended for vertical mounting. The damper has a maximum air velocity of 2250 fpm and is suitable for preventing reverse airflow in ventilation systems
This universal-mount backdraft damper is designed for 18-inch nominal duct diameters and vertical mounting. It features a flat blade type and supports vertical airflow direction. Suitable for preventing reverse airflow in exhaust or intake ducts, it handles a maximum air velocity of 2000 fpm
Dayton
This universal-mount backdraft damper is designed for 18-inch nominal duct diameters and vertical mounting. It features a flat blade type and supports vertical airflow direction. Suitable for preventing reverse airflow in exhaust or intake ducts, it handles a maximum air velocity of 2000 fpm
This single-panel backdraft damper is constructed of aluminum with a front flange. It measures 35 inches wide by 1 5/8 inches deep and is designed for horizontal airflow with vertical mounting. Suitable for use in ventilation systems to prevent reverse airflow, it supports a maximum air velocity of 2250 fpm
Dayton
This single-panel backdraft damper is constructed of aluminum with a front flange. It measures 35 inches wide by 1 5/8 inches deep and is designed for horizontal airflow with vertical mounting. Suitable for use in ventilation systems to prevent reverse airflow, it supports a maximum air velocity of 2250 fpm