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Dayton 45"H 45"W Drnbl Extrd Alu Combo Dmpr: Flanged, 41 1/2 in H, 41 1/2 in W - Combination Dampers & Louvers with Drainable Blades
DaytonCombination Dampers & Louvers with Drainable Blades

Dayton 45"H 45"W Drnbl Extrd Alu Combo Dmpr: Flanged, 41 1/2 in H, 41 1/2 in W

The Dayton 20UA28 is a 45-inch by 45-inch combination damper and louver with drainable blades, featuring a flanged design and a 45° blade angle. Constructed from extruded aluminum, it has a maximum air velocity of…

SKU 3G-OTH-76532

Brand
Dayton
Item
45"H 45"W Drnbl Extrd Alu Combo Dmpr: Flanged, 41 1/2 in H, 41 1/2 in W
Category
Combination Dampers & Louvers with Drainable Blades
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Technical Specifications

Dayton
Manufacturer Part Number
20UA28
Type
41 1/2 in W, Aluminum
H
41 1/2 in
Blade Angle
45°
Maximum Air Velocity
3,000 fpm
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Dayton Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The Dayton 20UA28 is a 45-inch by 45-inch combination damper and louver with drainable blades, featuring a flanged design and a 45° blade angle. Constructed from extruded aluminum, it has a maximum air velocity of 3,000 fpm and measures 41 1/2 inches in height and width.

Frequently Asked Questions

What is the Dayton 20UA28 combination damper and louver used for?

The Dayton 20UA28 is a combination damper and louver with drainable blades, designed for air control and weather protection in commercial HVAC and industrial ventilation systems. Its extruded aluminum construction and 45° blade angle suit applications requiring both airflow regulation and drainage.

What are the specifications of the Dayton 20UA28?

The Dayton 20UA28 measures 41 1/2 in by 41 1/2 in, with a flanged design and 45° blade angle. It is made of extruded aluminum and has a maximum air velocity of 3,000 fpm. The manufacturer part number is 20UA28.

Where to buy the Dayton 20UA28 worldwide?

3G Electric supplies the Dayton 20UA28 combination damper and louver to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this item.

How to install the Dayton 20UA28 combination damper?

Install the Dayton 20UA28 by mounting the flanged frame securely to the duct or wall opening, ensuring proper sealing. Align the blades horizontally and verify free movement. Follow standard HVAC practices for damper installation, including checking for obstructions and verifying actuator compatibility if motorized.

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 combination dampers & louvers with drainable blades. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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