Dayton 57"H 57"W Drnbl Extrd Alu Combo Dmpr: Flanged, 53 1/2 in H, 53 1/2 in W
The Dayton 20UA31 is a 57-inch by 57-inch combination damper and louver with drainable blades, featuring a flanged design and a 45-degree blade angle. Constructed from aluminum, this unit has a maximum air velocity…
SKU 3G-OTH-76473
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Product Description
The Dayton 20UA31 is a 57-inch by 57-inch combination damper and louver with drainable blades, featuring a flanged design and a 45-degree blade angle. Constructed from aluminum, this unit has a maximum air velocity of 3000 fpm and measures 53 1/2 inches in height and width.
Frequently Asked Questions
What is the Dayton 20UA31 combination damper and louver used for?
The Dayton 20UA31 is a combination damper and louver with drainable blades, designed for HVAC systems requiring both airflow control and weather protection. It is commonly used in commercial and industrial ventilation, intake, or exhaust applications where drainage of rainwater is needed.
What are the specifications of the Dayton 20UA31?
The Dayton 20UA31 is a 57-inch by 57-inch flanged combination damper and louver with a 45° blade angle. It is made of aluminum, has a maximum air velocity of 3000 fpm, and measures 53 1/2 inches in height and width. The manufacturer part number is 20UA31.
Where to buy the Dayton 20UA31 worldwide?
The Dayton 20UA31 is available to order through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations, ensuring the product reaches your facility efficiently.
How to install the Dayton 20UA31 combination damper and louver?
Install the Dayton 20UA31 by mounting the flanged frame securely to the duct or wall opening, ensuring proper sealing. Align the blades to the 45° angle for optimal airflow and drainage. Follow standard HVAC practices for damper and louver installation, and verify the unit is level.
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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.















