Oil and Gas Pipeline System Manual Cast Steel Wedge Gate Valve Flanged WCB Carbon Steel API6D High Pressure Wedge Gate Valve
(Precision Wedge Sealing & Adaptive Compensation) Engineered with a precision-machined wedge-shaped gate plate, this valve ensures reliable tight shut-off by utilizing either medium pressure or external force to press the sealing surfaces firmly against the seats. The flexible gate design allows for slight elastic deformation to compensate for machining tolerances and thermal expansion, guaranteeing superior sealing performance even under extreme high-pressure conditions without leakage.
(Exceptional High-Temperature & High-Pressure Resistance) Manufactured from premium cast steel materials such as WCB carbon steel and advanced alloy steels, this valve offers outstanding mechanical strength and dimensional stability at elevated temperatures. It is specifically designed to withstand harsh working environments involving high-pressure steam, hot oil, and aggressive chemicals, making it an indispensable component for power generation and petrochemical processing plants.
(Ultra-Low Flow Resistance & Smooth Fluid Control) Featuring a full-bore straight-through flow path when fully opened, this gate valve minimizes turbulence and pressure drop to virtually zero. This highly efficient fluid dynamics not only reduces energy consumption in pipeline systems but also prevents medium accumulation and sediment buildup inside the valve cavity, ensuring smooth operation and extending the overall service life of the piping infrastructure.
(Robust Construction & Easy Maintenance) The valve body is constructed using mature casting technology with optimized wall thickness, providing excellent resistance to erosion and mechanical stress. The seating surfaces are treated with wear-resistant hard-facing alloys to prevent galling and scratching during frequent operations. Furthermore, the modular structure allows for easy replacement of internal components like the gate plate and seats, significantly reducing maintenance downtime and operational costs.












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.