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

Dayton Universal-Mount Backdraft Damper

The DAYTON 38.75"H-W 4.5"L Alu Intake Shutter Damper is a universal-mount backdraft damper designed for use with a 36-inch fan. This single-panel unit features flat blades and is configured for horizontal airflow and…

SKU 3G-OTH-74671

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
Single Panel, 38 3/4 in W
H
38 3/4 in
Blade Type
Flat Blade
Airflow Direction
Horizontal
Mounting Position
Horizontal
Maximum Air Velocity
2250 fpm

Technical Documents

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

Product Description

The DAYTON 38.75"H-W 4.5"L Alu Intake Shutter Damper is a universal-mount backdraft damper designed for use with a 36-inch fan. This single-panel unit features flat blades and is configured for horizontal airflow and horizontal mounting. It supports a maximum air velocity of 2250 fpm.

Frequently Asked Questions

What is the DAYTON 38.75"H-W 4.5"L Alu Intake Shutter Damper used for?

The DAYTON 38.75"H-W 4.5"L Alu Intake Shutter Damper is a universal-mount backdraft damper designed to prevent reverse airflow when a 36-inch fan is off. It is commonly used in industrial ventilation, exhaust, and intake systems where horizontal airflow and horizontal mounting are required.

What are the specifications of the DAYTON backdraft damper?

The DAYTON is a single-panel aluminum intake shutter damper with flat blades. It measures 38.75 inches high by 38.75 inches wide with a 4.5-inch blade depth. It supports a maximum air velocity of 2250 fpm and is designed for horizontal airflow and horizontal mounting.

Where to buy the DAYTON shutter damper worldwide?

The DAYTON shutter damper is available to order through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact 3G Electric for availability and lead time.

How to install the DAYTON universal-mount backdraft damper?

Install the DAYTON backdraft damper by mounting it horizontally in line with the fan discharge, ensuring the blades open freely with airflow. Secure the frame to the duct or wall opening using appropriate fasteners. Verify the damper is level and blades move without obstruction before operation.

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
Universal-mount backdraft damper with single-panel flat blades, designed to prevent reverse airflow in ventilation systems. Measures 50 3/4 inches in height and width, supports horizontal airflow in vertical mounting positions, and handles maximum air velocity of 2250 fpm. Suitable for use with a 48-inch fan in industrial exhaust or intake applications
Dayton
Universal-mount backdraft damper with single-panel flat blades, designed to prevent reverse airflow in ventilation systems. Measures 50 3/4 inches in height and width, supports horizontal airflow in vertical mounting positions, and handles maximum air velocity of 2250 fpm. Suitable for use with a 48-inch fan in industrial exhaust or intake applications
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
Dayton
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 backdraft damper is designed for 12-inch nominal duct diameter and prevents reverse airflow in ventilation systems. It features a flat blade type, supports vertical airflow direction, and mounts horizontally. The aluminum body measures 11.75 inches in height and width and 4.5 inches in length, with a maximum air velocity of 2000 fpm
Dayton
This backdraft damper is designed for 12-inch nominal duct diameter and prevents reverse airflow in ventilation systems. It features a flat blade type, supports vertical airflow direction, and mounts horizontally. The aluminum body measures 11.75 inches in height and width and 4.5 inches in length, with a maximum air velocity of 2000 fpm
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 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
Dayton
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
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
Dayton
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

More from Dayton

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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
Dayton
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
Dayton
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
Dayton
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
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
Dayton
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