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UAE Valves is a best Cryogenic Valve supplier in Dubai.Cryogenic valves are specialized components designed to regulate the flow of fluids at extremely low temperatures, typically below -150°C (-238°F). They are crucial in industries such as aerospace, medical, and liquefied natural gas (LNG) processing, where handling cryogenic liquids like liquid nitrogen and liquid oxygen is common. The primary function of cryogenic valves is to control the flow rate, pressure, and direction of these ultra-cold fluids while maintaining a tight seal to prevent leaks and ensure operational safety. Constructed from materials that can withstand extreme cold and designed to mitigate thermal contraction, these valves incorporate unique sealing mechanisms and insulation to operate effectively in cryogenic environments. Features such as extended bonnets protect internal components and stem seals from intense cold, while specialized trim materials and seat designs prevent material embrittlement, ensuring long-term reliability. Cryogenic valves play a critical role in the safe and efficient handling of cryogenic fluids across various industrial applications.
Operating Principle:
Cryogenic valves are engineered to function at extremely low temperatures, often below -150°C (-238°F), controlling the flow of cryogenic fluids like liquid nitrogen, liquid oxygen, or LNG. These valves maintain a tight seal and reliable operation in harsh conditions due to several key features:
Material Selection: Made from materials that can withstand thermal contraction.
Extended Bonnets: Protect stem seals from cryogenic temperatures, ensuring the operating mechanism remains functional.
Special Seals and Seats: Incorporate low-emission stem packing and precision-machined seats to prevent leakage.
Thermal Conductivity Minimization: Designed to prevent cold from affecting other system parts, ensuring smooth operation.
Types of Cryogenic Valves:
Cryogenic Ball Valve
Cryogenic Check Valve
Cryogenic Gate Valve
Cryogenic Long Stem Globe Valve
Why Cryogenic Valves Have Long Stems?
Cryogenic valves often feature long stems to maintain the integrity of the stem seal in extremely low-temperature environments. Here’s why:
Thermal Shrinkage Management: Metal parts, including the stem, contract due to thermal shrinkage when exposed to cryogenic temperatures. This can cause the stem seal, located near the valve body, to lose effectiveness if exposed to extreme cold.
Seal Protection: By extending the length of the stem, the seal is positioned away from the coldest part of the valve, usually near the valve body. This design helps keep the stem seal at a higher, more manageable temperature, reducing the risk of it becoming brittle or losing its ability to maintain a tight seal.
Ease of Operation: The extended stem allows easier operation from a distance, especially in industrial settings where valves may be located in hard-to-reach or insulated areas.
The long stem of cryogenic valves acts as a protective measure to ensure the continued functionality and reliability of the valve's sealing mechanism in extremely low-temperature environments, providing both operational efficiency and safety.
As the best Cryogenic Valve Supplier in Dubai, our valves offers these advantages:
Material suitability
Low thermal expansion
Extended bonnets
Leak prevention
Precision engineering
Safety compliance
Versatility
Corrosion resistance
Industries:
Liquefied Natural Gas (LNG) Industry
Industrial Gases Industry
Aerospace and Defense
Energy Sector
Semiconductor Manufacturing
Cryopreservation
Environmental Testing
Description:
Materials: SS304, SS316, CF8M, CF8, F51, F55, F53, WCB, WC6, WCC, LCB, LCC.
Class: 150 to 800.
Nominal Pressure: PN25 to PN100.
Size: 1/2” to 24”.
Ends: Threaded, socket weld, butt weld, flanged, lug, wafer
Operations: Lever Operated, Gear operated, Hand wheel Operated, Electric Actuated and Pneumatic Actuated
Visit us to know more: https://www.uaevalves.com/product-category/cryogenic-valve/
Operating Principle:
Cryogenic valves are engineered to function at extremely low temperatures, often below -150°C (-238°F), controlling the flow of cryogenic fluids like liquid nitrogen, liquid oxygen, or LNG. These valves maintain a tight seal and reliable operation in harsh conditions due to several key features:
Material Selection: Made from materials that can withstand thermal contraction.
Extended Bonnets: Protect stem seals from cryogenic temperatures, ensuring the operating mechanism remains functional.
Special Seals and Seats: Incorporate low-emission stem packing and precision-machined seats to prevent leakage.
Thermal Conductivity Minimization: Designed to prevent cold from affecting other system parts, ensuring smooth operation.
Types of Cryogenic Valves:
Cryogenic Ball Valve
Cryogenic Check Valve
Cryogenic Gate Valve
Cryogenic Long Stem Globe Valve
Why Cryogenic Valves Have Long Stems?
Cryogenic valves often feature long stems to maintain the integrity of the stem seal in extremely low-temperature environments. Here’s why:
Thermal Shrinkage Management: Metal parts, including the stem, contract due to thermal shrinkage when exposed to cryogenic temperatures. This can cause the stem seal, located near the valve body, to lose effectiveness if exposed to extreme cold.
Seal Protection: By extending the length of the stem, the seal is positioned away from the coldest part of the valve, usually near the valve body. This design helps keep the stem seal at a higher, more manageable temperature, reducing the risk of it becoming brittle or losing its ability to maintain a tight seal.
Ease of Operation: The extended stem allows easier operation from a distance, especially in industrial settings where valves may be located in hard-to-reach or insulated areas.
The long stem of cryogenic valves acts as a protective measure to ensure the continued functionality and reliability of the valve's sealing mechanism in extremely low-temperature environments, providing both operational efficiency and safety.
As the best Cryogenic Valve Supplier in Dubai, our valves offers these advantages:
Material suitability
Low thermal expansion
Extended bonnets
Leak prevention
Precision engineering
Safety compliance
Versatility
Corrosion resistance
Industries:
Liquefied Natural Gas (LNG) Industry
Industrial Gases Industry
Aerospace and Defense
Energy Sector
Semiconductor Manufacturing
Cryopreservation
Environmental Testing
Description:
Materials: SS304, SS316, CF8M, CF8, F51, F55, F53, WCB, WC6, WCC, LCB, LCC.
Class: 150 to 800.
Nominal Pressure: PN25 to PN100.
Size: 1/2” to 24”.
Ends: Threaded, socket weld, butt weld, flanged, lug, wafer
Operations: Lever Operated, Gear operated, Hand wheel Operated, Electric Actuated and Pneumatic Actuated
Visit us to know more: https://www.uaevalves.com/product-category/cryogenic-valve/