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EMV-11 : Extruded Backdraft Damper, Horizontal Mount

EMV-11 : Extruded Backdraft Damper, Horizontal Mount

Model EMV-11 is a horizontally mounted aluminum backdraft damper designed to permit vertical upward airflow while preventing reverse (downward) flow when the fan is off. The blades open under system pressure differential and close by gravity, providing reliable, power-free backdraft protection. Standard construction includes adjustable counterbalance weights to assist blade opening.

Product Highlights

Airflow Direction
Vertical Up
Blade Material
Aluminum
Frame Material
Aluminum
Maximum Pressure Rating (in. wg.)
10
Maximum Velocity (fpm)
3,500
Mounting Orientation
Horizontal
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Features

Blades Frame
Standard
Optional

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Product Details

Counterweights

Yes

Duct Connection

Rectangular

Square

Frame Type

No Flange

Documents

Media

Counterbalance Weight Adjustments