What are the unique pneumatic valve?

Valve body made of cast iron, carbon steel, stainless steel, chrome steel, alloy steel, special steel, such as according to the requirements of the user's medium use condition, the internal valve materials and seal structure with excellent configuration meet the different requirements of customers, make the automatic control valve in a variety of pressure, temperature, medium and severe under complicated lead cattle to ensure its tightness, abrasion resistance, corrosion resistance and security, is to realize the remote centralized pipe, also can control automation device alone.