Design and manufacturing:GB/T 12235, ASME B16.34, IEC 60534
The structural length: GB/T 12221, ASME B16.10
Connection forms:HG/T 20592-20605, GB/T 9112-9124, ASME B16.5
Inspection and test:GB/T 13927, API 598, IEC 60534-4
Caliber:1/2″ ~ 24″ (DN15 ~ DN600)
Pressure temporature level:ASME B16.34, GB/T 12224
Drive mode: Self-Operated
Pressure:PN1.6 MPa ~ PN40 MPa Class 150 ~ Class 2500
Low-temperature control valves are engineered to regulate the flow of fluids in processes operating at sub-zero temperatures. These valves are essential in industries where maintaining precise control over cryogenic or low-temperature fluids is critical, ensuring system efficiency and safety.
Extended Bonnet Design: Positions the stem packing away from the cold fluid, preventing freezing and ensuring reliable operation.
Material Selection: Constructed from materials like stainless steel or specialized alloys that retain toughness and ductility at low temperatures.
Sealing Integrity: Utilizes soft or metal-to-metal seals designed to maintain tight shutoff and prevent leakage under low-temperature conditions.
Compliance with Standards: Meets industry standards such as GOST 15150-69, ensuring performance in extreme cold environments.
Manufacturing Standard: Conforms to standards like GOST 15150-69 and ASME B16.34 for low-temperature service.
Structural Length Standard: Adheres to ASME B16.10 for consistent face-to-face dimensions.
Connection Forms Standards: Meets ASME B16.5 for flanged connections and ASME B16.25 for butt-welded joints.
Available Sizes (Caliber): Ranges from DN15 to DN600 (NPS ½ to 24).
Pressure-Temperature Rating: Follows ASME B16.34 guidelines, ensuring safe operation across specified pressure and temperature ranges.
Pressure Range: Typically from Class 150 to Class 2500, accommodating various system pressures.
Temperature Range: Suitable for applications from ambient temperatures down to -196°C (-320°F).
Liquefied Natural Gas (LNG) Processing: Controls the flow of cryogenic LNG during processing and transportation.
Air Separation Units: Manages the flow of gases like oxygen and nitrogen at cryogenic temperatures.
Petrochemical Industry: Regulates low-temperature hydrocarbons in refining and chemical synthesis processes.
Pharmaceutical Manufacturing: Maintains precise control over low-temperature reactions and storage conditions.
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