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Dayton 7.75"H-W 3.7"L Square Spring Fire Damper: Static, 7 3/4 in H, 7 3/4 in W - Rectangular Fire Dampers
DaytonRectangular Fire Dampers

Dayton 7.75"H-W 3.7"L Square Spring Fire Damper: Static, 7 3/4 in H, 7 3/4 in W

The Dayton is a rectangular fire damper with a static rating, featuring a curtain blade type and spring closure. It is designed for horizontal mounting and measures 7 3/4 inches in height and width with a 3 3/4 inch…

SKU 3G-OTH-73722

Brand
Dayton
Item
7.75"H-W 3.7"L Square Spring Fire Damper: Static, 7 3/4 in H, 7 3/4 in W
Category
Rectangular Fire Dampers
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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
7 3/4 in W, 3 3/4 in L, Spring
H
7 3/4 in
Blade Type
Curtain
Closure Type
Spring
Mounting Position
Horizontal

Technical Documents

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

Product Description

The Dayton is a rectangular fire damper with a static rating, featuring a curtain blade type and spring closure. It is designed for horizontal mounting and measures 7 3/4 inches in height and width with a 3 3/4 inch length. This product is a square spring fire damper from the Dayton brand.

Frequently Asked Questions

What is the Dayton 3G-OTH-73722 fire damper used for?

The Dayton 3G-OTH-73722 is a static-rated rectangular fire damper used in HVAC systems to prevent flame and smoke spread through ducts. Its spring closure and curtain blade design make it suitable for horizontal mounting in fire-rated partitions, ensuring passive fire protection in commercial and industrial buildings.

What are the specifications of the Dayton 3G-OTH-73722 fire damper?

The Dayton 3G-OTH-73722 is a square spring fire damper with a static rating. It measures 7 3/4 inches in height and width, with a 3 3/4 inch length. It features a curtain blade type, spring closure, and is designed for horizontal mounting. The manufacturer part number is 3G-OTH-73722.

Where to buy the Dayton 3G-OTH-73722 fire damper worldwide?

3G Electric supplies the Dayton 3G-OTH-73722 fire damper worldwide. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time; we source and deliver this Dayton fire damper to any international location.

How to install the Dayton 3G-OTH-73722 fire damper?

Install the Dayton 3G-OTH-73722 fire damper in a horizontal orientation within a fire-rated duct or wall opening. Ensure the damper frame is securely fastened and the curtain blade moves freely. Follow NFPA 80 or local fire codes for clearance and access requirements. Always consult the manufacturer's installation manual for torque and gap specifications.

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 rectangular fire dampers. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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