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

Dayton Universal-Mount Backdraft Damper

The Dayton 15.8"H-W 4.5"L Alu Spring Bkdrft Dampr (SKU 3G-OTH-74492) is a universal-mount backdraft damper designed for a 16-inch fan and 16-inch nominal duct diameter. It features a single-panel, flat blade…

SKU 3G-OTH-74492

Brand
Dayton
Item
Universal-Mount Backdraft Damper
Category
Universal-Mount Backdraft Dampers
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Technical specs
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Local availability & support — the Philippines

Delivery
5–8 business days door-to-door; Bureau of Customs clearance typically 2–4 business days.
Payment
Invoicing in PHP or USD. Bank transfer and corporate PO accepted.
Ships to
Manila, Quezon City, Cebu, Davao, Batangas

Technical Specifications

Dayton
Type
For 16 in Nominal Duct Dia, Single Panel
Blade Type
Flat Blade
Airflow Direction
Horizontal
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 15.8"H-W 4.5"L Alu Spring Bkdrft Dampr (SKU 3G-OTH-74492) is a universal-mount backdraft damper designed for a 16-inch fan and 16-inch nominal duct diameter. It features a single-panel, flat blade construction with horizontal airflow direction and vertical mounting position, supporting a maximum air velocity of 2000 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 backdraft damper used for?

The Dayton backdraft damper prevents reverse airflow in 16-inch duct systems. It is installed vertically with horizontal airflow, commonly used in exhaust or ventilation systems to stop backdrafts when the fan is off.

What are the specifications of the Dayton backdraft damper?

The Dayton is a single-panel, flat blade damper for 16-inch nominal duct diameter. It has a 15.8-inch height, 4.5-inch length, aluminum construction, horizontal airflow, vertical mounting, and a maximum air velocity of 2000 fpm.

Where to buy the Dayton backdraft damper worldwide?

3G Electric supplies the Dayton backdraft damper worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time.

How to install the Dayton backdraft damper?

Mount the Dayton vertically in a 16-inch duct with the airflow arrow pointing in the intended direction. Ensure the blade swings freely and the spring closes it securely when the fan stops. Follow standard ductwork practices for sealing.

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
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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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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

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