Hot Selling Flanged Knife Pneumatic Gate Valve Actuator for Wastewater Treatment Paper Industry
Standard flange connection ensures high pressure resistance and stable installation, convenient for disassembly and maintenance. It performs better in pipelines with pressure fluctuation compared to wafer type, ideal for municipal and industrial engineering projects.
Full straight through bore avoids material buildup, effectively preventing blockage caused by sludge, fiber, dust and granular medium. It achieves tight shut-off for slurry, powder and sewage conveying pipelines.
Equipped with aluminum pneumatic actuator, fast opening and closing speed. It can be matched with solenoid valve and limit switch to connect PLC system, realizing remote automatic switch and valve position real-time feedback.
Ductile iron valve body with anti-corrosion coating, paired with wear-resistant SS304 stainless steel blade. Rubber, PTFE and metal hard sealing are optional to meet wear, corrosion and high temperature working requirements.









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.