What is the material of exhaust gas treatment valve?

Exhaust gas treatment valves are usually made of different materials, such as aluminum, stainless steel, wear-resistant alloy and PVC, which have excellent corrosion resistance. Exhaust gas treatment valve is a kind of valve specially used to discharge exhaust gas, which can reduce the impact on air quality. In addition, this valve can make the exhaust gas flow more balanced and smooth, thus ensuring the accuracy of the contents in the exhaust gas and reducing backflow.