Backdraught valve
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VOZT - The backdraught valve is mounted between two ducts. The valve controls the flow of air through the duct. Airflow can only move in one direction. In opposite to the movement of air, the blade closes. The valve can be used as a pressure regulating element. The blades are connected together with a spring which always closes the blades when there is no air flow or from the opposite side.
Technical data VOZT
