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Dayton Universal-Mount Backdraft Damper, 56 in Nominal Duct Dia, Double Panel - Universal-Mount Backdraft Dampers
DaytonUniversal-Mount Backdraft Dampers

Dayton Universal-Mount Backdraft Damper, 56 in Nominal Duct Dia, Double Panel

The Dayton is a universal-mount backdraft damper with a 55.75-inch height by 4.5-inch length aluminum construction, designed for use with a 54-inch fan and a 56-inch nominal duct diameter. It features flat blades…

SKU 3G-OTH-74318

Brand
Dayton
Item
Universal-Mount Backdraft Damper, 56 in Nominal Duct Dia, Double Panel
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 56 in Nominal Duct Dia, Double Panel
Blade Type
Flat Blade
Airflow Direction
Vertical
Mounting Position
Horizontal
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 a 55.75-inch height by 4.5-inch length aluminum construction, designed for use with a 54-inch fan and a 56-inch nominal duct diameter. It features flat blades, supports vertical airflow direction, and is mounted horizontally. The damper has a maximum air velocity of 2000 fpm.

Frequently Asked Questions

What is the Dayton backdraft damper used for?

The Dayton is a universal-mount backdraft damper used to prevent reverse airflow in ventilation systems. It is designed for a 54-inch fan with a 56-inch nominal duct diameter, supporting vertical airflow when mounted horizontally in commercial or industrial exhaust applications.

What are the specifications of the Dayton damper?

The Dayton is a double-panel aluminum backdraft damper with flat blades, 55.75 inches high and 4.5 inches long. It handles a maximum air velocity of 2000 fpm, supports vertical airflow direction, and is mounted horizontally. It fits a 54-inch fan and 56-inch nominal duct diameter.

Where to buy the Dayton backdraft damper worldwide?

You can source the Dayton backdraft damper 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 on this universal-mount damper.

How to install the Dayton backdraft damper?

Install the Dayton damper in a horizontal mounting position with the airflow direction set to vertical. Ensure the 56-inch nominal duct diameter aligns with the fan opening. Secure the aluminum frame using appropriate fasteners and verify that the flat blades move freely to prevent backdraft.

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
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 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
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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
Flat blade backdraft damper for vertical airflow and vertical mounting. Double-panel aluminum construction. Prevents reverse airflow in ventilation systems. Maximum air velocity 2000 fpm
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Flat blade backdraft damper for vertical airflow and vertical mounting. Double-panel aluminum construction. Prevents reverse airflow in ventilation systems. Maximum air velocity 2000 fpm
This universal-mount backdraft damper is designed for 62-inch nominal duct diameter and prevents reverse airflow in ventilation systems. It features double-panel, flat blade construction with vertical airflow direction and horizontal mounting position. Maximum air velocity is 2000 fpm. Suitable for industrial exhaust and intake applications
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This universal-mount backdraft damper is designed for 62-inch nominal duct diameter and prevents reverse airflow in ventilation systems. It features double-panel, flat blade construction with vertical airflow direction and horizontal mounting position. Maximum air velocity is 2000 fpm. Suitable for industrial exhaust and intake applications
Aluminum wall-mount backdraft damper with single panel flat blade design. Measures 27 3/4 in height and width. Designed for horizontal airflow and vertical mounting. Maximum air velocity 2250 fpm. Used in ventilation systems to prevent reverse airflow when fan is off
Dayton
Aluminum wall-mount backdraft damper with single panel flat blade design. Measures 27 3/4 in height and width. Designed for horizontal airflow and vertical mounting. Maximum air velocity 2250 fpm. Used in ventilation systems to prevent reverse airflow when fan is off
This wall-mount backdraft damper is designed for vertical mounting and horizontal airflow. It features a single panel with flat blades and is constructed of aluminum. Suitable for use in ventilation systems to prevent reverse airflow when the fan is off. Maximum air velocity is 2250 fpm
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This wall-mount backdraft damper is designed for vertical mounting and horizontal airflow. It features a single panel with flat blades and is constructed of aluminum. Suitable for use in ventilation systems to prevent reverse airflow when the fan is off. Maximum air velocity is 2250 fpm

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This universal-mount backdraft damper is designed for horizontal mounting in duct systems with 8-inch nominal duct diameter. It features a single flat blade and supports horizontal airflow direction at velocities up to 2000 fpm. Commonly used in exhaust ventilation and HVAC applications to prevent reverse airflow
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This universal-mount backdraft damper is designed for horizontal mounting in duct systems with 8-inch nominal duct diameter. It features a single flat blade and supports horizontal airflow direction at velocities up to 2000 fpm. Commonly used in exhaust ventilation and HVAC applications to prevent reverse airflow
This Dayton backdraft damper is designed for vertical mounting in 34-inch nominal duct systems. The single-panel flat blade opens under forward airflow and closes to prevent reverse flow, protecting equipment and maintaining system efficiency. Suitable for vertical exhaust or intake ducts with a maximum air velocity of 2250 fpm
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This Dayton backdraft damper is designed for vertical mounting in 34-inch nominal duct systems. The single-panel flat blade opens under forward airflow and closes to prevent reverse flow, protecting equipment and maintaining system efficiency. Suitable for vertical exhaust or intake ducts with a maximum air velocity of 2250 fpm
Backdraft damper for 48-inch nominal duct diameter, designed to prevent reverse airflow in ventilation systems. Single-panel flat blade construction in aluminum. Supports vertical airflow direction with horizontal mounting. Maximum air velocity 2250 fpm
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Backdraft damper for 48-inch nominal duct diameter, designed to prevent reverse airflow in ventilation systems. Single-panel flat blade construction in aluminum. Supports vertical airflow direction with horizontal mounting. Maximum air velocity 2250 fpm
This universal-mount backdraft damper is designed for horizontal mounting and horizontal airflow. It features a single-panel aluminum construction with felt seals to prevent reverse airflow when the fan is off. Suitable for use in ventilation systems requiring a maximum air velocity of 2250 fpm
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This universal-mount backdraft damper is designed for horizontal mounting and horizontal airflow. It features a single-panel aluminum construction with felt seals to prevent reverse airflow when the fan is off. Suitable for use in ventilation systems requiring a maximum air velocity of 2250 fpm
This backdraft damper is designed for 20-inch nominal duct diameter and mounts vertically to prevent reverse airflow in horizontal airflow systems. It features a single-panel flat blade construction with aluminum blades and supports a maximum air velocity of 2000 fpm. Suitable for HVAC exhaust and ventilation applications requiring one-way airflow control
Dayton
This backdraft damper is designed for 20-inch nominal duct diameter and mounts vertically to prevent reverse airflow in horizontal airflow systems. It features a single-panel flat blade construction with aluminum blades and supports a maximum air velocity of 2000 fpm. Suitable for HVAC exhaust and ventilation applications requiring one-way airflow control
This Dayton backdraft damper is designed for 42-inch nominal duct diameter and vertical mounting. It features a single-panel flat blade that opens with forward airflow and closes by gravity to prevent reverse flow. Constructed of aluminum, it measures 41.75 inches in height and width with a 4.5-inch length, supporting a maximum air velocity of 2000 fpm. Suitable for vertical exhaust or intake systems
Dayton
This Dayton backdraft damper is designed for 42-inch nominal duct diameter and vertical mounting. It features a single-panel flat blade that opens with forward airflow and closes by gravity to prevent reverse flow. Constructed of aluminum, it measures 41.75 inches in height and width with a 4.5-inch length, supporting a maximum air velocity of 2000 fpm. Suitable for vertical exhaust or intake systems
This backdraft damper is designed for use with a 40-inch fan and 40-inch nominal duct diameter. It features a single-panel, flat blade aluminum construction, supports vertical airflow direction, and mounts horizontally. Suitable for preventing reverse airflow in exhaust or ventilation systems, it handles a maximum air velocity of 2250 fpm
Dayton
This backdraft damper is designed for use with a 40-inch fan and 40-inch nominal duct diameter. It features a single-panel, flat blade aluminum construction, supports vertical airflow direction, and mounts horizontally. Suitable for preventing reverse airflow in exhaust or ventilation systems, it handles a maximum air velocity of 2250 fpm
Backdraft damper for 24-inch nominal duct diameter, single panel design with flat blade. Supports horizontal airflow direction and horizontal mounting. Aluminum body measures 23.75 inches square with 4.5-inch depth. Maximum air velocity 2000 fpm. Used in ventilation systems to prevent reverse airflow
Dayton
Backdraft damper for 24-inch nominal duct diameter, single panel design with flat blade. Supports horizontal airflow direction and horizontal mounting. Aluminum body measures 23.75 inches square with 4.5-inch depth. Maximum air velocity 2000 fpm. Used in ventilation systems to prevent reverse airflow