Check valve RSK 250 SHUFT NS-0081416

Backdraft damper with spring-loaded blades is designed for automatic closure of round air ducts when ventilation systems are turned off. The valve body is made of galvanized steel, the blades are made of sheet aluminum. The valve is attached to other ventilation system elements using a nipple connection. The valve can be installed in a vertical position. Warranty 1 year.