Dayton 7.75"H-W 4.5"L Aluminum Backdraft Damper: For 8 in Fan, For 8 in Nominal Duct Dia
The Dayton 7.75"H-W 4.5"L Aluminum Backdraft Damper (SKU 3G-OTH-74368) is a universal-mount backdraft damper designed for use with an 8-inch fan and 8-inch nominal duct diameter. It features a flat blade type…
SKU 3G-OTH-74368
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 7.75"H-W 4.5"L Aluminum Backdraft Damper (SKU 3G-OTH-74368) is a universal-mount backdraft damper designed for use with an 8-inch fan and 8-inch nominal duct diameter. It features a flat blade type, supports horizontal airflow direction, and is intended for horizontal mounting positions. The damper has a maximum air velocity of 2000 fpm.
Frequently Asked Questions
What is the Dayton backdraft damper used for?
The Dayton backdraft damper prevents reverse airflow in horizontal duct systems. It is designed for use with an 8-inch fan and 8-inch nominal duct diameter, with a maximum air velocity of 2000 fpm. Common applications include exhaust ventilation and HVAC systems where one-way airflow is required.
What are the specifications of the Dayton backdraft damper?
The Dayton is a single-panel, flat-blade backdraft damper with a 7.75-inch height and 4.5-inch length. It supports horizontal airflow direction, mounts horizontally, and handles a maximum air velocity of 2000 fpm. It is designed for 8-inch nominal duct diameter and 8-inch fan compatibility.
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 backdraft damper.
How to install the Dayton backdraft damper?
Install the Dayton damper in a horizontal duct section with airflow direction matching the arrow on the housing. Ensure the damper is mounted level so the flat blades close freely under gravity. Secure with sheet metal screws and seal joints with duct tape or mastic to prevent leakage.
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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.
