Manual Eccentric Half Ball Valve Flanged Metal Hard Seal Zero Leakage Anti-clogging Hemisphere Valve
Unique Eccentric Non-friction Opening and Closing Structure
Precision Metal Hard Seal, Bidirectional Zero Leakage
Integrated Cutting Edge Design, Powerful Self-cleaning Anti-clogging Performance
Full Bore Super Wear and Erosion Resistance, Adapt to Harsh Working Condition
Super Wear and Erosion Resistance, Adapt to Harsh Working Conditions
Labor-saving 90° Manual Quick Operation
Standard Pressure Grade, Stable Pressure Bearing Capacity
Multiple Material Options, Excellent Corrosion Resistance
Top-mounted Structure, Convenient On-site Maintenance
No Installation Direction Limit, Simple Construction
Dual Functions of Cut-off and Flow Regulation
Long Service Life and Low Comprehensive Operating Cost








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.