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Dayton 50 3/4 in H x 50 3/4 in W Universal-Mount Backdraft Damper - Universal-Mount Backdraft Dampers
DaytonUniversal-Mount Backdraft Dampers

Dayton 50 3/4 in H x 50 3/4 in W Universal-Mount Backdraft Damper

<p>The Dayton 50 3/4 in H x 50 3/4 in W Universal-Mount Backdraft Damper (model 4YN19) is a single-panel, flat-blade damper designed for horizontal airflow and vertical mounting. It handles maximum air velocity up to…

SKU 3G-OTH-74843

Brand
Dayton
Item
50 3/4 in H x 50 3/4 in W Universal-Mount Backdraft Damper
Category
Universal-Mount Backdraft Dampers
Available to Order
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

Dayton
Type
Single Panel, 50 3/4 in W
Blade Type
Flat Blade
Airflow Direction
Horizontal
Mounting Position
Vertical
Maximum Air Velocity
2250 fpm

Technical Documents

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Dayton Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

<p>The Dayton 50 3/4 in H x 50 3/4 in W Universal-Mount Backdraft Damper (model 4YN19) is a single-panel, flat-blade damper designed for horizontal airflow and vertical mounting. It handles maximum air velocity up to 2250 fpm, making it suitable for ventilation systems in commercial and industrial facilities.</p><p>This damper is ideal for applications requiring reliable backdraft prevention, such as exhaust fans and HVAC systems. As a Singapore-based supplier, 3G Electric offers SGD quotes on request, handles GST for local buyers, and provides fast delivery across Singapore and Southeast Asia.</p>

Frequently Asked Questions

What are the dimensions and airflow specifications of this damper?

The damper measures 50 3/4 inches in height and 50 3/4 inches in width. It is a single-panel, flat-blade type designed for horizontal airflow and vertical mounting, with a maximum air velocity of 2250 fpm.

Can I get a quote in SGD and fast delivery in Singapore?

Yes, 3G Electric provides SGD quotes on request. For Singapore buyers, GST is handled, and we offer fast delivery across Singapore and Southeast Asia.

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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