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API Gate Valve
J-VALVES
Ultra-Cryogenic Design: The valve undergoes cryogenic treatment, enabling it to withstand ultra-low temperature environments as low as -196℃, suitable for cryogenic media such as LNG and LPG.
Stainless Steel Material: The valve body, bonnet, and stem are all made of ASTM A351 CF8 stainless steel, featuring excellent corrosion resistance and low-temperature toughness.
Flange Connection: Adopts RF (Raised Face) flange connection, conforming to ASME B16.5 standards, ensuring reliable installation and sealing performance.
Fire Safety Design: Complies with API 607 standards. Even in case of fire, the valve can maintain sealing performance to prevent medium leakage.
Anti-Static Device: Built-in anti-static device effectively prevents static accumulation, reducing the risk of fire and explosion.
Flexible Wedge Disc: Utilizes a flexible wedge disc design, which can compensate for the wedge angle deviation between the disc and the valve seat sealing surface, achieving an ideal sealing effect.
Bidirectional Flow: The medium can pass through the valve from any direction, suitable for occasions where the medium flow direction in the pipeline may change.
Size Range: 2″ to 48″ (DN50 to DN1200)
Pressure Class: 150LB to 2500LB (PN20 to PN420)
Temperature Range: -196℃ to +400℃
Materials:
Valve Body: ASTM A351 CF8
Bonnet: ASTM A351 CF8
Stem: ASTM A351 CF8
Sealing Material: PTFE, flexible graphite
Connection Method: Flange connection (RF)
Design Standards: API 600, API 602, ASME B16.34
Testing Standards: API 598
Face-to-Face Dimensions: Compliant with ASME B16.10 standards
Liquefied Natural Gas (LNG) Industry: Used in LNG storage, transportation, and gasification systems to ensure reliable control of cryogenic media.
Liquefied Petroleum Gas (LPG) Industry: Suitable for LPG storage and transportation systems, preventing medium leakage and ensuring safety.
Chemical Industry: Applied in the transportation and reaction systems of low-temperature chemical media, preventing medium leakage and ensuring production safety.
Pharmaceutical Industry: Used in the transportation of low-temperature media during pharmaceutical production to ensure medium isolation and cleanliness in the drug manufacturing process.
Food and Beverage Industry: Meets food-grade requirements, used in the transportation of low-temperature media in food and beverage production to ensure hygiene and safety.
High Reliability: The ultra-cryogenic design and stainless steel material ensure stable operation of the valve in extreme low-temperature environments, reducing maintenance frequency and downtime.
High Safety: Fire-resistant and anti-static designs, along with reliable sealing performance, effectively reduce leakage risks and ensure the safety of personnel and equipment.
Easy Installation and Maintenance: The flange connection simplifies the installation process, and the valve’s compact structure facilitates maintenance and overhaul.
Wide Application Range: Multiple material options and a broad range of pressure and temperature make it adaptable to various complex working conditions and medium characteristics.
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