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Dayton 38.75"H-W 4.5"L Alu Intake Shutter Dampr: For 36 in Fan, Single Panel, 38 3/4 in H - Universal-Mount Backdraft Dampers
DaytonUniversal-Mount Backdraft Dampers

Dayton 38.75"H-W 4.5"L Alu Intake Shutter Dampr: For 36 in Fan, Single Panel, 38 3/4 in H

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
38.75"H-W 4.5"L Alu Intake Shutter Dampr: For 36 in Fan, Single Panel, 38 3/4 in H
Category
Universal-Mount Backdraft Dampers
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Technical Specifications

Dayton
Manufacturer Part Number
4YN18
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
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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.

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 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 4YN18 backdraft damper?

The DAYTON 4YN18 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 4YN18 shutter damper worldwide?

The DAYTON 4YN18 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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