Body cast of ASTM A351 CF8 (304 stainless steel), excellent cryogenic toughness, stable mechanical property from -196℃ to 425℃, resistant to acid, alkali and rust for corrosive cryogenic medium.

Extended bonnet long stem design isolates cold source efficiently, prevents packing freezing crack & medium leakage; handwheel far away from cryogenic fluid to avoid operator frostbite, core design for cryogenic valve.

Available in PN16/PN25 & ANSI Class150/300, RF raised face flange, comply with GB & ANSI B16.5 standard, full size DN15~DN200 in stock.

Metal hard seal with low-temperature PTFE packing, bubble-tight zero leakage under ultra-low temperature; straight spherical flow path with excellent flow throttling & regulating function.

Widely used in LNG, liquid nitrogen, liquid oxygen, liquid ammonia, air separation plant, cryogenic storage tank and low-temperature petrochemical pipeline cut-off control.

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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