We ship worldwide — Singapore, Australia, Malaysia, Indonesia, Philippines, India, Middle East & more

Dayton 7.75"H-W 12"L Spring Fire Dampr w/Sleeve: Dynamic, 7 3/4 in H, 7 3/4 in W - Rectangular Fire Dampers
DaytonRectangular Fire Dampers

Dayton 7.75"H-W 12"L Spring Fire Dampr w/Sleeve: Dynamic, 7 3/4 in H, 7 3/4 in W

The Dayton 3G-OTH-73795 is a rectangular fire damper with a curtain blade type and spring closure, designed for horizontal mounting. It measures 7.75 inches in height and width with a 12-inch length, and includes a…

SKU 3G-OTH-73795

Brand
Dayton
Item
7.75"H-W 12"L Spring Fire Dampr w/Sleeve: Dynamic, 7 3/4 in H, 7 3/4 in W
Category
Rectangular Fire Dampers
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

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.

Technical Specifications

Dayton
Type
7 3/4 in W, 12 in L, Spring
H
7 3/4 in
Blade Type
Curtain
Closure Type
Spring
Mounting Position
Horizontal

Technical Documents

No technical documents available for this product.
Request documentation
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

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

Product Description

The Dayton 3G-OTH-73795 is a rectangular fire damper with a curtain blade type and spring closure, designed for horizontal mounting. It measures 7.75 inches in height and width with a 12-inch length, and includes a sleeve for dynamic applications.

Frequently Asked Questions

What is the Dayton 20CK18 fire damper used for?

The Dayton 20CK18 is a rectangular fire damper with a curtain blade and spring closure, designed for dynamic horizontal mounting. It is used in HVAC systems to prevent fire and smoke spread through ductwork, maintaining compartmentation in commercial and industrial buildings.

What are the specifications of the Dayton 20CK18 fire damper?

The Dayton 20CK18 measures 7 3/4 in H by 7 3/4 in W with a 12 in L sleeve. It features a curtain blade type, spring closure, and is rated for horizontal mounting. The manufacturer part number is 20CK18, and it is designed for dynamic applications.

Where to buy the Dayton 20CK18 fire damper worldwide?

3G Electric supplies the Dayton 20CK18 fire damper to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us for a quote and lead time on this dynamic, spring-closure damper.

How to install a Dayton spring fire damper?

Install the Dayton 20CK18 fire damper in a horizontal duct run with the airflow direction arrow aligned. Ensure the sleeve is securely fastened and the curtain blade can close freely. Follow NFPA 90A and local codes for clearance and access requirements. Test the spring closure after installation.

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.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

Compatible alternatives & equivalents

Cross-referenced by specification & description
9.75"H-W 12"L Spring Fire Dampr w/Sleeve: Dynamic, 9 3/4 in H, 9 3/4 in W, 12 in L, Spring
Dayton
9.75"H-W 12"L Spring Fire Dampr w/Sleeve: Dynamic, 9 3/4 in H, 9 3/4 in W, 12 in L, Spring
5.75"H-W 12"L Spring Fire Dampr w/Sleeve: Dynamic, 5 3/4 in H, 5 3/4 in W, 12 in L, Spring
Dayton
5.75"H-W 12"L Spring Fire Dampr w/Sleeve: Dynamic, 5 3/4 in H, 5 3/4 in W, 12 in L, Spring
11.8"H-W 12"L Spring Fire Dampr w/Sleeve: Dynamic, 11 3/4 in H, 11 3/4 in W, 12 in L, Spring
Dayton
11.8"H-W 12"L Spring Fire Dampr w/Sleeve: Dynamic, 11 3/4 in H, 11 3/4 in W, 12 in L, Spring
7.8"H-W 12"L Grvty Fire Dampr w/Sleeve: Static, 7 3/4 in H, 7 3/4 in W, 12 in L, Gravity
Dayton
7.8"H-W 12"L Grvty Fire Dampr w/Sleeve: Static, 7 3/4 in H, 7 3/4 in W, 12 in L, Gravity
11.8"H-W 12"L Grvty Fire Dampr w/Sleeve: Static, 11 3/4 in H, 11 3/4 in W, 12 in L, Gravity
Dayton
11.8"H-W 12"L Grvty Fire Dampr w/Sleeve: Static, 11 3/4 in H, 11 3/4 in W, 12 in L, Gravity
9.8"H-W 12"L Grvty Fire Dampr w/Sleeve: Static, 9 3/4 in H, 9 3/4 in W, 12 in L, Gravity
Dayton
9.8"H-W 12"L Grvty Fire Dampr w/Sleeve: Static, 9 3/4 in H, 9 3/4 in W, 12 in L, Gravity

More from Dayton

View all Dayton parts
5.8"H-W 12"L Grvty Fire Dampr w/Sleeve: Static, 5 3/4 in H, 5 3/4 in W, 12 in L, Gravity
Dayton
5.8"H-W 12"L Grvty Fire Dampr w/Sleeve: Static, 5 3/4 in H, 5 3/4 in W, 12 in L, Gravity
15.75"H-W 3.7"L Squ Gravity Fire Dampr: Static, 16 in H, 16 in W, 3 3/4 in L, Galvanized Steel Frame
Dayton
15.75"H-W 3.7"L Squ Gravity Fire Dampr: Static, 16 in H, 16 in W, 3 3/4 in L, Galvanized Steel Frame
11.75"H 5.75"W 3.7"L GStl Fire Dampr: Dynamic, 5 3/4 in H, 11 3/4 in W, 3 3/4 in L, Spring
Dayton
11.75"H 5.75"W 3.7"L GStl Fire Dampr: Dynamic, 5 3/4 in H, 11 3/4 in W, 3 3/4 in L, Spring
Fire Damper: Static, 11 3/4 in H, 15 3/4 in W, 3 3/4 in L, Galvanized Steel Frame, Spring
Dayton
Fire Damper: Static, 11 3/4 in H, 15 3/4 in W, 3 3/4 in L, Galvanized Steel Frame, Spring
Fire Damper: Static, 16 in H, 16 in W, 3 3/4 in L, Galvanized Steel Frame, Galvanized Steel Blade
Dayton
Fire Damper: Static, 16 in H, 16 in W, 3 3/4 in L, Galvanized Steel Frame, Galvanized Steel Blade
Fire Damper: Dynamic, 5 3/4 in H, 5 3/4 in W, 3 3/4 in L, Galvanized Steel Frame, Spring
Dayton
Fire Damper: Dynamic, 5 3/4 in H, 5 3/4 in W, 3 3/4 in L, Galvanized Steel Frame, Spring
15.8"H 7.8"W 3.7"L GStl Sprng Fire Dmpr: Static, 7 3/4 in H, 15 3/4 in W, 3 3/4 in L, Spring
Dayton
15.8"H 7.8"W 3.7"L GStl Sprng Fire Dmpr: Static, 7 3/4 in H, 15 3/4 in W, 3 3/4 in L, Spring
23.8"H 11.8"W 3.7"L GStl Grvty Fire Dmpr: Static, 11 3/4 in H, 23 3/4 in W, 3 3/4 in L, Gravity
Dayton
23.8"H 11.8"W 3.7"L GStl Grvty Fire Dmpr: Static, 11 3/4 in H, 23 3/4 in W, 3 3/4 in L, Gravity