Stainless Steel Wafer Pneumatic Butterfly Valve PTFE Seat Anti-Corrosion High Temperature Butterfly Valve
Whole valve body and disc adopt 304 stainless steel, rust-proof, acid and alkali resistant, suitable for food, chemical and marine working conditions.
PTFE polytetrafluoroethylene sealing ring, high temperature resistant up to 150℃, good corrosion resistance to various organic solvents, bidirectional zero leakage.
Wafer connection design, compact and lightweight structure, easy to install and disassemble between two pipe flanges.
Equipped with aluminum alloy pneumatic actuator, double acting and single spring return types optional, support remote automatic switch control.
Complete specifications from DN50 to DN1200, widely used in food, pharmaceutical, chemical, sewage treatment systems, OEM customization is available.





Qingdao Yida Tongtu Machinery Technology Co., Ltd., in the beautiful coastal city of Qingdao. Specializing in high-growth ventures such as valves and power equipment, the company is dedicated to providing comprehensive solutions for industries including petroleum, chemicals, and water utilities, empowering clients to grow and achieve success.
We are a cutting-edge trading enterprise specializing in one-stop industrial valve matching, deeply cultivating gate valves, globe valves, ball valves, check valves, butterfly valves, etc. Our main products include American standard API, German standard DIN, and Japanese standard JIS, suitable for various industries such as chemical, petroleum, gas, power, metallurgy, etc.
We selects qualified factories from the source, strictly controls product quality, adheres to the direct supply mode, and relies on the advantages of a streamlined and efficient team to achieve rapid implementation of customer demands. At the same time, we can provide customers with standard spot goods, non-standard customization, OEM, project batch matching, and a complete set of export documentation services, becoming a long-term stable valve procurement partner for customers with professionalism, reliability, and high cost-effectiveness.













Our mission is to offer "High Quality" & "Good Service" & "Fast Delivery" to help our clients to gain more profits.