Dayton 39.75"H-W 4.5"L Aluminum Backdraft Dampr: For 40 in Fan, For 40 in Nominal Duct Dia
The Dayton is a universal-mount backdraft damper designed for use with a 40-inch fan and 40-inch nominal duct diameter. It features a single-panel, flat blade construction with aluminum material, supporting vertical…
SKU 3G-OTH-74708
Local availability & support
- Delivery
- Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
- Payment
- Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.
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Product Description
The Dayton is a universal-mount backdraft damper designed for use with a 40-inch fan and 40-inch nominal duct diameter. It features a single-panel, flat blade construction with aluminum material, supporting vertical airflow direction and horizontal mounting position. The damper has a maximum air velocity of 2250 fpm and measures 39.75 inches in height and width with a 4.5-inch length.
Frequently Asked Questions
What is the Dayton backdraft damper used for?
The Dayton backdraft damper prevents reverse airflow in exhaust or ventilation systems using a 40-inch fan. It mounts horizontally, allows vertical airflow, and closes automatically when the fan stops, protecting equipment and maintaining system efficiency in industrial HVAC applications.
What are the specifications of the Dayton backdraft damper?
The Dayton is a single-panel, flat-blade aluminum damper for 40-inch nominal duct diameter. It measures 39.75 inches high and wide with a 4.5-inch length, supports vertical airflow, mounts horizontally, and handles a maximum air velocity of 2250 fpm.
Where to buy the Dayton backdraft damper worldwide?
3G Electric supplies the Dayton backdraft damper 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 universal-mount damper.
How to install a Dayton backdraft damper?
Install the Dayton damper in a horizontal duct section with the airflow arrow pointing upward. Ensure the damper frame seals against the duct flange and that blades swing freely. Secure with sheet metal screws and verify vertical airflow direction before system startup.
Used in
Common applications for DaytonDayton 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.
