American Standard Compliance Designed per API 6D & ANSI B16.5, Class 150/300 pressure rating, suitable for global industrial projects.

Premium ASTM A216 WCB Body High-strength carbon steel cast body, excellent weldability, durable for high-temperature and high-pressure services.

Integral Steam Jacketed / Thermal Insulation Built-in insulation jacket prevents media solidification, crystallization or temperature loss; ideal for wax, resin, asphalt and high-viscosity fluids.

OS&Y Outside Screw & Yoke Design Visible stem for clear open/close indication, smooth manual operation, easy maintenance and inspection.

Full Bore Wedge Gate & Tight Seal Straight flow path with low pressure drop; metal-to-metal or soft seal ensures bubble-tight shutoff, zero leakage.

RF Raised Face Flange End Standard ANSI flange connection, easy installation, interchangeable with global piping systems.

Wide Industrial Application Perfect for petrochemical, oil refinery, heating system, pharmaceutical and chemical industries.

Quality Certified & Reliable ISO 9001 certified, 100% factory tested, MTR available, long service life under severe working conditions.

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.

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