Ductile Iron Non-rising Stem Gate Valve Buried Waterproof Soft Seal Valve for Urban Drainage Pipeline
High strength QT450 ductile iron body, not easy to crack and deform
Excellent toughness and shock resistance, suitable for harsh pipeline conditions
Better pressure bearing capacity than ordinary cast iron, stable long-term operation
Inside and outside epoxy coating, effective anti-rust and anti-corrosion treatment
Compact structure with light weight, convenient for transportation and installation
Good casting performance, smooth inner wall, low fluid resistance
Durable material, extend overall service life of the valve
Compliant with international industry standards, reliable quality
Material Performance Adopt premium QT450 ductile iron, integrate high strength and good toughness
Resist impact and vibration, adapt to buried and outdoor installation environments
Excellent structural stability, no leakage caused by body deformation
Anti-rust & Anti-corrosion Full epoxy coating on surface, isolate moisture and corrosive medium
Effectively prevent rusting, suitable for water, sewage and humid working environment
Long-term anti-corrosion performance, reduce later maintenance cost
Process & Application Precise casting, smooth inner cavity, ensure smooth medium flow
Lighter than traditional cast iron valve, save labor during installation
Wear-resistant body, work stably under frequent opening and closing








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.