? PP damper valve is designed with the control knob, blade and flange regulated manually or using electricity. 

? It is essential for use in industrial plants or civil construction of air conditioning, air purification project, ventilation and HVAC. PP damper valves are commonly used in ventilation pipes and air conditioning ducts by adjusting the angle of a baffle to adjust the air flow volume in the duct. 

? Polypropylene is anti-corrosive, prevents water condensation and provides excellent insulation performance. Flanges can be melted or welded to this damper for specific applications.