Flange Type PPH Pneumatic Ball Valve Anti-Corrosion Plastic Automatic Shut Off Valve for Chemical Sewage Pipeline
Crafted from high-quality PPH material, great acid & alkali resistance, withstand temperature from -10℃ to 95℃, ideal for corrosive industrial pipelines.
Standard PN16 flange connection, firm installation, anti-vibration, perfect for large chemical and sewage engineering projects.
Equipped with AT aluminum pneumatic actuator, double acting / single spring return optional, easy remote automatic control.
PTFE sealing seat ensures zero leakage under PN16 pressure, durable for frequent switch operations.
Complete DN15-DN300 sizes, lightweight design, support OEM and various accessory customization.







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.