Get in touch with us to buy PVC air disc valve and aluminum disc valve in bulk quantities. These air distribution components ate utilized in HVAC (Heating, Ventilation, and Air Conditioning) systems for controlling and directing air flow in a controlled and efficient manner. Lightweight, affordable and corrosion resistant PVC material is used to construct circular faceplate and adjustable blades or dampers of disc valves suitable for residential and commercial HVAC systems to supply and exhaust air applications. Aluminum disc valves with an aluminum built circular faceplate also have adjustable blades to control the flow of air. This type of disc valve is ideal for commercial and industrial HVAC systems where durability and high-performance efficiency are important.