A louver damper is a type of mechanical device that is used to control the flow of air, smoke, and other gases in a building. It is typically used in ventilation systems to regulate the amount of air that enters and exits a space. Louver dampers are designed to be adjustable, allowing for greater control over the flow of air. They are typically made of metal and feature a series of overlapping blades that can be adjusted to control the amount of air that passes through. Louver dampers are often used in conjunction with other types of ventilation systems, such as exhaust fans, to ensure that the air quality in a building is maintained. They are also commonly used in industrial settings, where they can be used to control the temperature and humidity of a space. Louver dampers are an important part of any ventilation system, as they provide a simple and effective way to control the flow of air in a building.