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HB-240 : Industrial Backdraft Damper

HB-240 : Industrial Backdraft Damper

The HB-240 industrial backdraft damper features standard extruded aluminum airfoil blades for improved aerodynamic performance and reduced pressure drop in demanding airflow applications. Built for durability and reliability, it comes standard with Spark B and C construction to meet typical industrial safety requirements, with optional Spark A construction available for more stringent environments. The HB-240 delivers dependable one-way airflow control while helping facilities meet performance and safety standards.

Product Highlights

Blade Type
Airfoil
Frame Type
Flanged Channel
Maximum Pressure Rating (in. wg.)
13.5
Maximum Velocity (fpm)
5,150
Airflow Direction
Angular Up
Angular Down
Horizontal
Vertical Up
Vertical Down
Spark Resistance
A
B
C
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Features

Blades Counterweights External Linkage Frame Paint Finishes Spark Resistant A Construction
Standard
Optional

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Product Details

Maximum Pressure Rating (in. wg.)

13.5

Maximum Velocity (fpm)

5,150

Maximum Temperature (°F)

250

Blade Material

Extruded Aluminum

Frame Material

Galvanized Steel

304SS

316SS

Aluminum

Seals

Blade

Counterweights

Yes

Documents

Drawings

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