Low-Temperature Gate Valve is a specially engineered gate valve designed for operation in cryogenic environments, widely used in industrial applications such as liquefied natural gas (LNG), cryogenic refrigeration, and petrochemical processing. Its primary function is to control fluid flow by opening or closing the passageway, while maintaining superior sealing performance and mechanical integrity under extreme low-temperature conditions.
Material selection is critical for these valves, typically utilizing high-performance stainless steel, aluminum alloys, or specialized alloys to prevent brittle fracture or deformation at cryogenic temperatures. Additionally, their design must account for thermal stress, sealing mechanisms, and actuation methods to meet diverse operating requirements.
In LNG transportation and storage systems, low-temperature gate valves serve as essential control components, ensuring safe and stable system operation.
Cryogenic Gate Valve Specification
Gate valve, API 600,GOST 5762,ISO10434
Size Range: 2″~48″
Pressure Rating: ASME CL, 150, 300, 600, 900, 1500, 2500
– Outside Screw and York
– Bolted Bonnet and Pressure Seal
– Flexible wedge
– Welding seat rings or Renewable seat rings
– Rising stem
– Available with gear operator
– Flange Ends & Buttwelding Ends
– Low torque design, smooth surface stem.
Key Features:
Cryogenic Compatibility: Made from materials like stainless steel or special alloys to withstand low temperatures.
Bubble-Tight Seal: Prevents leakage even under high pressure and thermal contraction.
Smooth Operation: Low-friction design for reliable performance in cold environments.
Applications: LNG systems, industrial gas plants, aerospace, and other cryogenic processes.
