We ship to the Philippines — door-to-door, customs and logistics handled by 3G Electric

3G Electric
RFQ CartGet a QuoteSign inSign up
Dayton 59.5"H-W 4.5"L Aluminum Backdraft Damper: For 60 in Fan, For 60 in Nominal Duct Dia - Universal-Mount Backdraft Dampers
DaytonUniversal-Mount Backdraft Dampers

Dayton 59.5"H-W 4.5"L Aluminum Backdraft Damper: For 60 in Fan, For 60 in Nominal Duct Dia

The Dayton 5NKN8 is a universal-mount backdraft damper designed for use with a 60-inch fan and 60-inch nominal duct diameter. This flat-blade model features a 59.5-inch height by 4.5-inch length aluminum construction…

SKU 3G-OTH-74853

Brand
Dayton
Item
59.5"H-W 4.5"L Aluminum Backdraft Damper: For 60 in Fan, For 60 in Nominal Duct Dia
Category
Universal-Mount Backdraft Dampers
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineer
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

Technical Specifications

Dayton
Manufacturer Part Number
5NKN8
Type
For 60 in Nominal Duct Dia, Double Panel
Blade Type
Flat Blade
Airflow Direction
Vertical
Mounting Position
Horizontal
Maximum Air Velocity
2000 fpm
View Full Spec Sheet

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 5NKN8 is a universal-mount backdraft damper designed for use with a 60-inch fan and 60-inch nominal duct diameter. This flat-blade model features a 59.5-inch height by 4.5-inch length aluminum construction with a double-panel design, supporting vertical airflow direction and horizontal mounting. It has a maximum air velocity of 2000 fpm.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

Frequently Asked Questions

What is the Dayton 5NKN8 backdraft damper used for?

The Dayton 5NKN8 is a universal-mount backdraft damper used to prevent reverse airflow in ventilation systems. It is designed for 60-inch fans and 60-inch nominal duct diameters, with vertical airflow direction and horizontal mounting, making it suitable for industrial exhaust and intake applications.

What are the specifications of the Dayton 5NKN8 backdraft damper?

The Dayton 5NKN8 features a 59.5-inch height by 4.5-inch length aluminum double-panel construction with flat blades. It supports vertical airflow direction, horizontal mounting, and a maximum air velocity of 2000 fpm. The manufacturer part number is 5NKN8.

Where to buy the Dayton 5NKN8 backdraft damper worldwide?

You can source the Dayton 5NKN8 backdraft damper through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide locations, ensuring the damper reaches your facility efficiently.

How to install the Dayton 5NKN8 backdraft damper?

Install the Dayton 5NKN8 in a horizontal duct run with the airflow direction vertical. Ensure the damper frame is securely mounted and blades move freely. Follow standard HVAC practices for sealing and support. For specific guidance, consult the manufacturer's installation manual.

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 universal-mount backdraft 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 →

Similar products

Matched by specification & description
63.75"H-W 4.5"L Aluminum Backdraft Dampr: For 60 in Fan, For 64 in Nominal Duct Dia, Double Panel (MPN 5NKN9). Key specifications — Airflow Direction: Horizontal; Blade Type: Flat Blade; Brand: DAYTON; Maximum Air Velocity: 2000 fpm; Mounting Position: Horizontal.
Dayton
63.75"H-W 4.5"L Aluminum Backdraft Dampr: For 60 in Fan, For 64 in Nominal Duct Dia, Double Panel (MPN 5NKN9). Key specifications — Airflow Direction: Horizontal; Blade Type: Flat Blade; Brand: DAYTON; Maximum Air Velocity: 2000 fpm; Mounting Position: Horizontal.
55.75"H-W 4.5"L Aluminum Backdraft Dampr: For 54 in Fan, For 56 in Nominal Duct Dia, Double Panel (MPN 5NKN7). Key specifications — Airflow Direction: Vertical; Blade Type: Flat Blade; Brand: DAYTON; Maximum Air Velocity: 2000 fpm; Mounting Position: Horizontal.
Dayton
55.75"H-W 4.5"L Aluminum Backdraft Dampr: For 54 in Fan, For 56 in Nominal Duct Dia, Double Panel (MPN 5NKN7). Key specifications — Airflow Direction: Vertical; Blade Type: Flat Blade; Brand: DAYTON; Maximum Air Velocity: 2000 fpm; Mounting Position: Horizontal.
49.75"H-W 4.5"L Aluminum Backdraft Dampr: For 48 in Fan, For 50 in Nominal Duct Dia, Double Panel (MPN 6WRK8). Key specifications — Airflow Direction: Vertical; Blade Type: Flat Blade; Brand: DAYTON; Maximum Air Velocity: 2000 fpm; Mounting Position: Vertical.
Dayton
49.75"H-W 4.5"L Aluminum Backdraft Dampr: For 48 in Fan, For 50 in Nominal Duct Dia, Double Panel (MPN 6WRK8). Key specifications — Airflow Direction: Vertical; Blade Type: Flat Blade; Brand: DAYTON; Maximum Air Velocity: 2000 fpm; Mounting Position: Vertical.
61.75"H-W 4.5"L Aluminum Backdraft Dampr: For 60 in Fan, For 62 in Nominal Duct Dia, Double Panel (MPN 6WRK9). Key specifications — Airflow Direction: Vertical; Blade Type: Flat Blade; Brand: DAYTON; Maximum Air Velocity: 2000 fpm; Mounting Position: Horizontal.
Dayton
61.75"H-W 4.5"L Aluminum Backdraft Dampr: For 60 in Fan, For 62 in Nominal Duct Dia, Double Panel (MPN 6WRK9). Key specifications — Airflow Direction: Vertical; Blade Type: Flat Blade; Brand: DAYTON; Maximum Air Velocity: 2000 fpm; Mounting Position: Horizontal.
22.75"H-W 4.5"L Aluminum Backdraft Dampr: For 20 in Fan, Single Panel, 22 3/4 in H, 22 3/4 in W (MPN 5NKN5). Key specifications — Airflow Direction: Horizontal; Blade Type: Flat Blade; Brand: DAYTON; Maximum Air Velocity: 2250 fpm; Mounting Position: Vertical.
Dayton
22.75"H-W 4.5"L Aluminum Backdraft Dampr: For 20 in Fan, Single Panel, 22 3/4 in H, 22 3/4 in W (MPN 5NKN5). Key specifications — Airflow Direction: Horizontal; Blade Type: Flat Blade; Brand: DAYTON; Maximum Air Velocity: 2250 fpm; Mounting Position: Vertical.
19.75"H-W 4.5"L Aluminum Backdraft Dampr: For 16 in Fan, Single Panel, 19 3/4 in H, 19 3/4 in W (MPN 5NKN4). Key specifications — Airflow Direction: Horizontal; Blade Type: Flat Blade; Brand: DAYTON; Maximum Air Velocity: 2250 fpm; Mounting Position: Vertical.
Dayton
19.75"H-W 4.5"L Aluminum Backdraft Dampr: For 16 in Fan, Single Panel, 19 3/4 in H, 19 3/4 in W (MPN 5NKN4). Key specifications — Airflow Direction: Horizontal; Blade Type: Flat Blade; Brand: DAYTON; Maximum Air Velocity: 2250 fpm; Mounting Position: Vertical.

More from Dayton

View all Dayton parts →
7.75"H-W 4.5"L Aluminum Backdraft Damper: For 8 in Fan, For 8 in Nominal Duct Dia, Single Panel (MPN 3HHL4). Key specifications — Airflow Direction: Horizontal; Blade Type: Flat Blade; Brand: DAYTON; Maximum Air Velocity: 2000 fpm; Mounting Position: Horizontal.
Dayton
7.75"H-W 4.5"L Aluminum Backdraft Damper: For 8 in Fan, For 8 in Nominal Duct Dia, Single Panel (MPN 3HHL4). Key specifications — Airflow Direction: Horizontal; Blade Type: Flat Blade; Brand: DAYTON; Maximum Air Velocity: 2000 fpm; Mounting Position: Horizontal.
33.75"H-W 4.5"L Aluminum Backdraft Dampr: For 34 in Fan, For 34 in Nominal Duct Dia, Single Panel (MPN 3HHL9). Key specifications — Airflow Direction: Vertical; Blade Type: Flat Blade; Brand: DAYTON; Maximum Air Velocity: 2250 fpm; Mounting Position: Vertical.
Dayton
33.75"H-W 4.5"L Aluminum Backdraft Dampr: For 34 in Fan, For 34 in Nominal Duct Dia, Single Panel (MPN 3HHL9). Key specifications — Airflow Direction: Vertical; Blade Type: Flat Blade; Brand: DAYTON; Maximum Air Velocity: 2250 fpm; Mounting Position: Vertical.
47.75"H-W 4.5"L Aluminum Backdraft Dampr: For 48 in Fan, For 48 in Nominal Duct Dia, Single Panel (MPN 3HHN3). Key specifications — Airflow Direction: Vertical; Blade Type: Flat Blade; Brand: DAYTON; Maximum Air Velocity: 2250 fpm; Mounting Position: Horizontal.
Dayton
47.75"H-W 4.5"L Aluminum Backdraft Dampr: For 48 in Fan, For 48 in Nominal Duct Dia, Single Panel (MPN 3HHN3). Key specifications — Airflow Direction: Vertical; Blade Type: Flat Blade; Brand: DAYTON; Maximum Air Velocity: 2250 fpm; Mounting Position: Horizontal.
44.75"H-W Alu Universal Backdraft Dampr: For 42 in Fan, Single Panel, 44 3/4 in H, 44 3/4 in W, Felt (MPN 3HHT2). Key specifications — Airflow Direction: Horizontal; Brand: DAYTON; Maximum Air Velocity: 2250 fpm; Mounting Position: Horizontal.
Dayton
44.75"H-W Alu Universal Backdraft Dampr: For 42 in Fan, Single Panel, 44 3/4 in H, 44 3/4 in W, Felt (MPN 3HHT2). Key specifications — Airflow Direction: Horizontal; Brand: DAYTON; Maximum Air Velocity: 2250 fpm; Mounting Position: Horizontal.
19.8"H-W 4.5"L Alu Spring Bkdrft Dampr: For 20 in Fan, For 20 in Nominal Duct Dia, Single Panel (MPN 3HHL6). Key specifications — Airflow Direction: Horizontal; Blade Type: Flat Blade; Brand: DAYTON; Maximum Air Velocity: 2000 fpm; Mounting Position: Vertical.
Dayton
19.8"H-W 4.5"L Alu Spring Bkdrft Dampr: For 20 in Fan, For 20 in Nominal Duct Dia, Single Panel (MPN 3HHL6). Key specifications — Airflow Direction: Horizontal; Blade Type: Flat Blade; Brand: DAYTON; Maximum Air Velocity: 2000 fpm; Mounting Position: Vertical.
41.75"H-W 4.5"L Aluminum Backdraft Dampr: For 42 in Fan, For 42 in Nominal Duct Dia, Single Panel (MPN 6WRK7). Key specifications — Airflow Direction: Vertical; Blade Type: Flat Blade; Brand: DAYTON; Maximum Air Velocity: 2000 fpm; Mounting Position: Vertical.
Dayton
41.75"H-W 4.5"L Aluminum Backdraft Dampr: For 42 in Fan, For 42 in Nominal Duct Dia, Single Panel (MPN 6WRK7). Key specifications — Airflow Direction: Vertical; Blade Type: Flat Blade; Brand: DAYTON; Maximum Air Velocity: 2000 fpm; Mounting Position: Vertical.
39.75"H-W 4.5"L Aluminum Backdraft Dampr: For 40 in Fan, For 40 in Nominal Duct Dia, Single Panel (MPN 3HHN2). Key specifications — Airflow Direction: Vertical; Blade Type: Flat Blade; Brand: DAYTON; Maximum Air Velocity: 2250 fpm; Mounting Position: Horizontal.
Dayton
39.75"H-W 4.5"L Aluminum Backdraft Dampr: For 40 in Fan, For 40 in Nominal Duct Dia, Single Panel (MPN 3HHN2). Key specifications — Airflow Direction: Vertical; Blade Type: Flat Blade; Brand: DAYTON; Maximum Air Velocity: 2250 fpm; Mounting Position: Horizontal.
23.75"H-W 4.5"L Alu Univ Backdraft Dampr: For 24 in Fan, For 24 in Nominal Duct Dia, Single Panel (MPN 2FTV7). Key specifications — Airflow Direction: Horizontal; Blade Type: Flat Blade; Brand: DAYTON; Maximum Air Velocity: 2000 fpm; Mounting Position: Horizontal.
Dayton
23.75"H-W 4.5"L Alu Univ Backdraft Dampr: For 24 in Fan, For 24 in Nominal Duct Dia, Single Panel (MPN 2FTV7). Key specifications — Airflow Direction: Horizontal; Blade Type: Flat Blade; Brand: DAYTON; Maximum Air Velocity: 2000 fpm; Mounting Position: Horizontal.