Non-Return Damper

Construction:

Material:

• Aluminum

Feature:

• Generally installed in air ducts of ventilation systems

• The blades will open by the air flow when the fan is working. The air will pass through the damper freely. If the fan stops working, the blades will fall and close automatically and prevent the air pass through from the opposite direction of the duct.

Accessories:

• Compliment with air ducts