Cryogenic Valves - ASCO
Cryogenic valves are designed to operate in extremely low-temperature environments, typically below -150°C (-238°F). These valves are engineered with materials and components that can withstand the challe...
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Solenoid Valves
Solenoid valves provide fast, reliable on/off control of liquids and gases by utilizing an electric coil to actuate the valve. Compact and efficient, they integrate seamlessly into automated systems for applications such as cooling, lubrication, chemical dosing, and process isolation. Available in a variety of materials and designs to handle different pressures, temperatures, and media.
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The ASCO Series 264-S are direct- acting, pilot-operated cryogenic solenoid valves designed to control liquid CO2 fluids. The valves are ideal for cryogenic applications in analytical and diagnostic instruments. This model features a 24 VDC voltage.
$947.16$1,034.00
Should ship between 17 Nov and 01 Dec
Subject to factory lead times
The ASCO Series 264-S are direct- acting, pilot-operated cryogenic solenoid valves designed to control liquid CO2 fluids. The valves are ideal for cryogenic applications in analytical and diagnostic instruments. Specifications include a 6 VDC voltage.
$947.16$1,034.00
Should ship between 17 Nov and 01 Dec
Subject to factory lead times
The ASCO Series 264-S are direct- acting, pilot-operated cryogenic solenoid valves designed to control liquid CO2 fluids. The valves are ideal for cryogenic applications in analytical and diagnostic instruments. Configured with a 2 way - 2/2 normally closed valve function, solenoid actuation, 3/32" orifice, brass body material, urethane seating elastomer, 50 Hz frequency, and 110 VAC voltage.
$947.16$1,034.00
Should ship between 17 Nov and 01 Dec
Subject to factory lead times
The ASCO Series 264-S are direct- acting, pilot-operated cryogenic solenoid valves designed to control liquid CO2 fluids. The valves are ideal for cryogenic applications in analytical and diagnostic instruments. Built for a 2 way - 2/2 normally closed valve function and solenoid actuation, this valve features a 3/32" orifice, brass body material, urethane seating elastomer, 50/60 Hz frequency, and 110/120 VAC voltage.
$947.16$1,034.00
Should ship between 17 Nov and 01 Dec
Subject to factory lead times
The ASCO Series 264-S are direct- acting, pilot-operated cryogenic solenoid valves designed to control liquid CO2 fluids. The valves are ideal for cryogenic applications in analytical and diagnostic instruments. This valve comes with a 3/32" orifice, 2 way - 2/2 normally closed valve function, solenoid actuation, 60 Hz frequency, 120 VAC voltage, brass body material, and urethane seating elastomer.
$947.16$1,034.00
Should ship between 17 Nov and 01 Dec
Subject to factory lead times
The ASCO Series 264-S are direct- acting, pilot-operated cryogenic solenoid valves designed to control liquid CO2 fluids. The valves are ideal for cryogenic applications in analytical and diagnostic instruments. Designed with a 208 VAC voltage.
$947.16$1,034.00
Should ship between 17 Nov and 01 Dec
Subject to factory lead times
The ASCO Series 264-S are direct- acting, pilot-operated cryogenic solenoid valves designed to control liquid CO2 fluids. The valves are ideal for cryogenic applications in analytical and diagnostic instruments. Equipped with a brass body material, this valve is configured with a 2 way - 2/2 normally closed valve function, solenoid actuation, 50 Hz frequency, and 22 VAC voltage.
$1,202.73$1,313.00
Should ship between 17 Nov and 01 Dec
Subject to factory lead times
The ASCO Series 264-S are direct- acting, pilot-operated cryogenic solenoid valves designed to control liquid CO2 fluids. The valves are ideal for cryogenic applications in analytical and diagnostic instruments. Key details include a brass body material, urethane seating elastomer, 3/32" orifice, 2 way - 2/2 normally closed valve function, solenoid actuation, 50 Hz frequency, and 220 VAC voltage.
$947.16$1,034.00
Should ship between 17 Nov and 01 Dec
Subject to factory lead times
The ASCO Series 264-S are direct- acting, pilot-operated cryogenic solenoid valves designed to control liquid CO2 fluids. The valves are ideal for cryogenic applications in analytical and diagnostic instruments. Configured with a 22 VAC voltage.
$947.16$1,034.00
Should ship between 17 Nov and 01 Dec
Subject to factory lead times
The ASCO Series 264-S are direct- acting, pilot-operated cryogenic solenoid valves designed to control liquid CO2 fluids. The valves are ideal for cryogenic applications in analytical and diagnostic instruments. This valve features a 24 VAC voltage.
$947.16$1,034.00
Should ship between 17 Nov and 01 Dec
Subject to factory lead times
The ASCO Series 264-S are direct- acting, pilot-operated cryogenic solenoid valves designed to control liquid CO2 fluids. The valves are ideal for cryogenic applications in analytical and diagnostic instruments. This model features a 220/240 VAC voltage.
$947.16$1,034.00
Should ship between 17 Nov and 01 Dec
Subject to factory lead times
The ASCO Series 264-S are direct- acting, pilot-operated cryogenic solenoid valves designed to control liquid CO2 fluids. The valves are ideal for cryogenic applications in analytical and diagnostic instruments. Specifications include a 240 VAC voltage.
$947.16$1,034.00
Should ship between 17 Nov and 01 Dec
Subject to factory lead times
The ASCO Series 264-S are direct- acting, pilot-operated cryogenic solenoid valves designed to control liquid CO2 fluids. The valves are ideal for cryogenic applications in analytical and diagnostic instruments. This valve comes with a 24 VDC voltage.
$947.16$1,034.00
Should ship between 17 Nov and 01 Dec
Subject to factory lead times
The ASCO Series 210, also known as 8210, is a line of economical, high-flow general service solenoid valves for liquid, corrosive, and air/inert gas service. With a wide range of pressure ratings, sizes, and resilient materials, the ultra-reliable 2-way solenoid valves provide long service life and low internal leakage. Industrial applications include car wash equipment, air compressors, pumps, laundry equipment, and industrial water control. Configured with a 110 VAC voltage.
$2,300.13$2,511.00
Should ship between 17 Nov and 01 Dec
Subject to factory lead times
The ASCO Series 210, also known as 8210, is a line of economical, high-flow general service solenoid valves for liquid, corrosive, and air/inert gas service. With a wide range of pressure ratings, sizes, and resilient materials, the ultra-reliable 2-way solenoid valves provide long service life and low internal leakage. Industrial applications include car wash equipment, air compressors, pumps, laundry equipment, and industrial water control. Built for a 2 way - 2/2 normally closed valve function and solenoid actuation, this valve features a 1" NPT pipe size, 1" orifice, brass body material, NBR seating elastomer, 60 Hz frequency, and 120 VAC voltage.
$2,300.13$2,511.00
Should ship between 17 Nov and 01 Dec
Subject to factory lead times
The ASCO Series 210, also known as 8210, is a line of economical, high-flow general service solenoid valves for liquid, corrosive, and air/inert gas service. With a wide range of pressure ratings, sizes, and resilient materials, the ultra-reliable 2-way solenoid valves provide long service life and low internal leakage. Industrial applications include car wash equipment, air compressors, pumps, laundry equipment, and industrial water control. This valve comes with a 24 VDC voltage.
$2,300.13$2,511.00
Should ship between 17 Nov and 01 Dec
Subject to factory lead times
The ASCO Series 222, also known as 8222, steam solenoid valves are designed for high-temperature applications found in commercial laundry and kitchen equipment, molding, steam atomization sterilizer, and autoclave applications. The pilot-operated valves come with a Y-body floating piston or diaphragm design for durability and reliability. This model features a 1/2" NPT pipe size, 5/8" orifice, 2 way - 2/2 normally closed valve function, solenoid actuation, 50 Hz frequency, 110 VAC voltage, brass body material, and PTFE seating elastomer.
$1,093.73$1,194.00
Should ship between 17 Nov and 01 Dec
Subject to factory lead times
The ASCO Series 222, also known as 8222, steam solenoid valves are designed for high-temperature applications found in commercial laundry and kitchen equipment, molding, steam atomization sterilizer, and autoclave applications. The pilot-operated valves come with a Y-body floating piston or diaphragm design for durability and reliability. Specifications include a 110 VAC voltage.
$1,349.30$1,473.00
Should ship between 17 Nov and 01 Dec
Subject to factory lead times
The ASCO Series 222, also known as 8222, steam solenoid valves are designed for high-temperature applications found in commercial laundry and kitchen equipment, molding, steam atomization sterilizer, and autoclave applications. The pilot-operated valves come with a Y-body floating piston or diaphragm design for durability and reliability. Configured with a 1/2" NPT pipe size, 50 Hz frequency, and 110 VAC voltage.
$1,093.73$1,194.00
Should ship between 17 Nov and 01 Dec
Subject to factory lead times
The ASCO Series 222, also known as 8222, steam solenoid valves are designed for high-temperature applications found in commercial laundry and kitchen equipment, molding, steam atomization sterilizer, and autoclave applications. The pilot-operated valves come with a Y-body floating piston or diaphragm design for durability and reliability. Built for a 2 way - 2/2 normally closed valve function and solenoid actuation, this valve features a 1/2" NPT pipe size, 5/8" orifice, brass body material, PTFE seating elastomer, 60 Hz frequency, and 120 VAC voltage.
$1,093.73$1,194.00
Should ship between 17 Nov and 01 Dec
Subject to factory lead times
The ASCO Series 222, also known as 8222, steam solenoid valves are designed for high-temperature applications found in commercial laundry and kitchen equipment, molding, steam atomization sterilizer, and autoclave applications. The pilot-operated valves come with a Y-body floating piston or diaphragm design for durability and reliability. This valve comes with a 1/2" NPT pipe size, 5/8" orifice, 2 way - 2/2 normally closed valve function, solenoid actuation, 50 Hz frequency, 220 VAC voltage, brass body material, and PTFE seating elastomer.
$1,093.73$1,194.00
Should ship between 17 Nov and 01 Dec
Subject to factory lead times
The ASCO Series 222, also known as 8222, steam solenoid valves are designed for high-temperature applications found in commercial laundry and kitchen equipment, molding, steam atomization sterilizer, and autoclave applications. The pilot-operated valves come with a Y-body floating piston or diaphragm design for durability and reliability. Designed with a brass body material, PTFE seating elastomer, 1/2" NPT pipe size, and 5/8" orifice, this model provides a 2 way - 2/2 normally closed valve function, solenoid actuation, 60 Hz frequency, and 240 VAC voltage.
$1,093.73$1,194.00
Should ship between 17 Nov and 01 Dec
Subject to factory lead times
The ASCO Series 222, also known as 8222, steam solenoid valves are designed for high-temperature applications found in commercial laundry and kitchen equipment, molding, steam atomization sterilizer, and autoclave applications. The pilot-operated valves come with a Y-body floating piston or diaphragm design for durability and reliability. Key details include a 24 VDC voltage.
$1,093.73$1,194.00
Should ship between 17 Nov and 01 Dec
Subject to factory lead times
The ASCO Series 222, also known as 8222, steam solenoid valves are designed for high-temperature applications found in commercial laundry and kitchen equipment, molding, steam atomization sterilizer, and autoclave applications. The pilot-operated valves come with a Y-body floating piston or diaphragm design for durability and reliability. Designed with a brass body material, PTFE seating elastomer, 3/4" NPT pipe size, and 3/4" orifice, this model provides a 2 way - 2/2 normally closed valve function, solenoid actuation, 50 Hz frequency, and 110 VAC voltage.
$1,188.99$1,298.00
Should ship between 17 Nov and 01 Dec
Subject to factory lead times
The ASCO Series 264-S are direct- acting, pilot-operated cryogenic solenoid valves designed to control liquid CO2 fluids. The valves are ideal for cryogenic applications in analytical and diagnostic instruments. This model features a 24 VDC voltage.
$947.16$1,034.00
Should ship between 17 Nov and 01 Dec
Subject to factory lead times
The ASCO Series 264-S are direct- acting, pilot-operated cryogenic solenoid valves designed to control liquid CO2 fluids. The valves are ideal for cryogenic applications in analytical and diagnostic instruments. Specifications include a 6 VDC voltage.
$947.16$1,034.00
Should ship between 17 Nov and 01 Dec
Subject to factory lead times
The ASCO Series 264-S are direct- acting, pilot-operated cryogenic solenoid valves designed to control liquid CO2 fluids. The valves are ideal for cryogenic applications in analytical and diagnostic instruments. Configured with a 2 way - 2/2 normally closed valve function, solenoid actuation, 3/32" orifice, brass body material, urethane seating elastomer, 50 Hz frequency, and 110 VAC voltage.
$947.16$1,034.00
Should ship between 17 Nov and 01 Dec
Subject to factory lead times
The ASCO Series 264-S are direct- acting, pilot-operated cryogenic solenoid valves designed to control liquid CO2 fluids. The valves are ideal for cryogenic applications in analytical and diagnostic instruments. Built for a 2 way - 2/2 normally closed valve function and solenoid actuation, this valve features a 3/32" orifice, brass body material, urethane seating elastomer, 50/60 Hz frequency, and 110/120 VAC voltage.
$947.16$1,034.00
Should ship between 17 Nov and 01 Dec
Subject to factory lead times
The ASCO Series 264-S are direct- acting, pilot-operated cryogenic solenoid valves designed to control liquid CO2 fluids. The valves are ideal for cryogenic applications in analytical and diagnostic instruments. This valve comes with a 3/32" orifice, 2 way - 2/2 normally closed valve function, solenoid actuation, 60 Hz frequency, 120 VAC voltage, brass body material, and urethane seating elastomer.
$947.16$1,034.00
Should ship between 17 Nov and 01 Dec
Subject to factory lead times
The ASCO Series 264-S are direct- acting, pilot-operated cryogenic solenoid valves designed to control liquid CO2 fluids. The valves are ideal for cryogenic applications in analytical and diagnostic instruments. Designed with a 208 VAC voltage.
$947.16$1,034.00
Should ship between 17 Nov and 01 Dec
Subject to factory lead times
The ASCO Series 264-S are direct- acting, pilot-operated cryogenic solenoid valves designed to control liquid CO2 fluids. The valves are ideal for cryogenic applications in analytical and diagnostic instruments. Equipped with a brass body material, this valve is configured with a 2 way - 2/2 normally closed valve function, solenoid actuation, 50 Hz frequency, and 22 VAC voltage.
$1,202.73$1,313.00
Should ship between 17 Nov and 01 Dec
Subject to factory lead times
The ASCO Series 264-S are direct- acting, pilot-operated cryogenic solenoid valves designed to control liquid CO2 fluids. The valves are ideal for cryogenic applications in analytical and diagnostic instruments. Key details include a brass body material, urethane seating elastomer, 3/32" orifice, 2 way - 2/2 normally closed valve function, solenoid actuation, 50 Hz frequency, and 220 VAC voltage.
$947.16$1,034.00
Should ship between 17 Nov and 01 Dec
Subject to factory lead times
The ASCO Series 264-S are direct- acting, pilot-operated cryogenic solenoid valves designed to control liquid CO2 fluids. The valves are ideal for cryogenic applications in analytical and diagnostic instruments. Configured with a 22 VAC voltage.
$947.16$1,034.00
Should ship between 17 Nov and 01 Dec
Subject to factory lead times
The ASCO Series 264-S are direct- acting, pilot-operated cryogenic solenoid valves designed to control liquid CO2 fluids. The valves are ideal for cryogenic applications in analytical and diagnostic instruments. This valve features a 24 VAC voltage.
$947.16$1,034.00
Should ship between 17 Nov and 01 Dec
Subject to factory lead times
The ASCO Series 264-S are direct- acting, pilot-operated cryogenic solenoid valves designed to control liquid CO2 fluids. The valves are ideal for cryogenic applications in analytical and diagnostic instruments. This model features a 220/240 VAC voltage.
$947.16$1,034.00
Should ship between 17 Nov and 01 Dec
Subject to factory lead times
The ASCO Series 264-S are direct- acting, pilot-operated cryogenic solenoid valves designed to control liquid CO2 fluids. The valves are ideal for cryogenic applications in analytical and diagnostic instruments. Specifications include a 240 VAC voltage.
$947.16$1,034.00
Should ship between 17 Nov and 01 Dec
Subject to factory lead times
The ASCO Series 264-S are direct- acting, pilot-operated cryogenic solenoid valves designed to control liquid CO2 fluids. The valves are ideal for cryogenic applications in analytical and diagnostic instruments. This valve comes with a 24 VDC voltage.
$947.16$1,034.00
Should ship between 17 Nov and 01 Dec
Subject to factory lead times
The ASCO Series 210, also known as 8210, is a line of economical, high-flow general service solenoid valves for liquid, corrosive, and air/inert gas service. With a wide range of pressure ratings, sizes, and resilient materials, the ultra-reliable 2-way solenoid valves provide long service life and low internal leakage. Industrial applications include car wash equipment, air compressors, pumps, laundry equipment, and industrial water control. Configured with a 110 VAC voltage.
$2,300.13$2,511.00
Should ship between 17 Nov and 01 Dec
Subject to factory lead times
The ASCO Series 210, also known as 8210, is a line of economical, high-flow general service solenoid valves for liquid, corrosive, and air/inert gas service. With a wide range of pressure ratings, sizes, and resilient materials, the ultra-reliable 2-way solenoid valves provide long service life and low internal leakage. Industrial applications include car wash equipment, air compressors, pumps, laundry equipment, and industrial water control. Built for a 2 way - 2/2 normally closed valve function and solenoid actuation, this valve features a 1" NPT pipe size, 1" orifice, brass body material, NBR seating elastomer, 60 Hz frequency, and 120 VAC voltage.
$2,300.13$2,511.00
Should ship between 17 Nov and 01 Dec
Subject to factory lead times
The ASCO Series 210, also known as 8210, is a line of economical, high-flow general service solenoid valves for liquid, corrosive, and air/inert gas service. With a wide range of pressure ratings, sizes, and resilient materials, the ultra-reliable 2-way solenoid valves provide long service life and low internal leakage. Industrial applications include car wash equipment, air compressors, pumps, laundry equipment, and industrial water control. This valve comes with a 24 VDC voltage.
$2,300.13$2,511.00
Should ship between 17 Nov and 01 Dec
Subject to factory lead times
The ASCO Series 222, also known as 8222, steam solenoid valves are designed for high-temperature applications found in commercial laundry and kitchen equipment, molding, steam atomization sterilizer, and autoclave applications. The pilot-operated valves come with a Y-body floating piston or diaphragm design for durability and reliability. This model features a 1/2" NPT pipe size, 5/8" orifice, 2 way - 2/2 normally closed valve function, solenoid actuation, 50 Hz frequency, 110 VAC voltage, brass body material, and PTFE seating elastomer.
$1,093.73$1,194.00
Should ship between 17 Nov and 01 Dec
Subject to factory lead times
The ASCO Series 222, also known as 8222, steam solenoid valves are designed for high-temperature applications found in commercial laundry and kitchen equipment, molding, steam atomization sterilizer, and autoclave applications. The pilot-operated valves come with a Y-body floating piston or diaphragm design for durability and reliability. Specifications include a 110 VAC voltage.
$1,349.30$1,473.00
Should ship between 17 Nov and 01 Dec
Subject to factory lead times
The ASCO Series 222, also known as 8222, steam solenoid valves are designed for high-temperature applications found in commercial laundry and kitchen equipment, molding, steam atomization sterilizer, and autoclave applications. The pilot-operated valves come with a Y-body floating piston or diaphragm design for durability and reliability. Configured with a 1/2" NPT pipe size, 50 Hz frequency, and 110 VAC voltage.
$1,093.73$1,194.00
Should ship between 17 Nov and 01 Dec
Subject to factory lead times
The ASCO Series 222, also known as 8222, steam solenoid valves are designed for high-temperature applications found in commercial laundry and kitchen equipment, molding, steam atomization sterilizer, and autoclave applications. The pilot-operated valves come with a Y-body floating piston or diaphragm design for durability and reliability. Built for a 2 way - 2/2 normally closed valve function and solenoid actuation, this valve features a 1/2" NPT pipe size, 5/8" orifice, brass body material, PTFE seating elastomer, 60 Hz frequency, and 120 VAC voltage.
$1,093.73$1,194.00
Should ship between 17 Nov and 01 Dec
Subject to factory lead times
The ASCO Series 222, also known as 8222, steam solenoid valves are designed for high-temperature applications found in commercial laundry and kitchen equipment, molding, steam atomization sterilizer, and autoclave applications. The pilot-operated valves come with a Y-body floating piston or diaphragm design for durability and reliability. This valve comes with a 1/2" NPT pipe size, 5/8" orifice, 2 way - 2/2 normally closed valve function, solenoid actuation, 50 Hz frequency, 220 VAC voltage, brass body material, and PTFE seating elastomer.
$1,093.73$1,194.00
Should ship between 17 Nov and 01 Dec
Subject to factory lead times
The ASCO Series 222, also known as 8222, steam solenoid valves are designed for high-temperature applications found in commercial laundry and kitchen equipment, molding, steam atomization sterilizer, and autoclave applications. The pilot-operated valves come with a Y-body floating piston or diaphragm design for durability and reliability. Designed with a brass body material, PTFE seating elastomer, 1/2" NPT pipe size, and 5/8" orifice, this model provides a 2 way - 2/2 normally closed valve function, solenoid actuation, 60 Hz frequency, and 240 VAC voltage.
$1,093.73$1,194.00
Should ship between 17 Nov and 01 Dec
Subject to factory lead times
The ASCO Series 222, also known as 8222, steam solenoid valves are designed for high-temperature applications found in commercial laundry and kitchen equipment, molding, steam atomization sterilizer, and autoclave applications. The pilot-operated valves come with a Y-body floating piston or diaphragm design for durability and reliability. Key details include a 24 VDC voltage.
$1,093.73$1,194.00
Should ship between 17 Nov and 01 Dec
Subject to factory lead times
The ASCO Series 222, also known as 8222, steam solenoid valves are designed for high-temperature applications found in commercial laundry and kitchen equipment, molding, steam atomization sterilizer, and autoclave applications. The pilot-operated valves come with a Y-body floating piston or diaphragm design for durability and reliability. Designed with a brass body material, PTFE seating elastomer, 3/4" NPT pipe size, and 3/4" orifice, this model provides a 2 way - 2/2 normally closed valve function, solenoid actuation, 50 Hz frequency, and 110 VAC voltage.
$1,188.99$1,298.00
Should ship between 17 Nov and 01 Dec
Subject to factory lead times
FAQS
- A cryogenic valve is specifically designed and engineered to operate reliably in extremely low-temperature environments, typically below -150°C (-238°F), where standard valves would fail due to brittle fracture of materials, seal contraction and leakage, or icing of the valve mechanism. Cryogenic valves are used to control the flow of liquefied gases such as liquid nitrogen (LN2), liquid oxygen (LOX), liquid argon, liquid natural gas (LNG), and liquid helium. What makes them different from standard valves is the material selection (body, stem, and trim materials must maintain ductility and strength at cryogenic temperatures — austenitic stainless steels, Monel, and special alloys that do not become brittle at extreme cold), extended bonnets or stem extensions (that keep the packing and actuator away from the cryogenic fluid, allowing the packing to operate at a warmer temperature where it can maintain an effective seal), and specialized seal and gasket materials that remain flexible and maintain their sealing properties at cryogenic temperatures.
- Several valve types are used in cryogenic service, with the choice depending on the specific application, line size, and whether the valve is used for isolation or control. Globe valves are common in cryogenic service because they provide excellent shutoff and fine throttling control, and their rising-stem design works well with the extended bonnets required for cryogenic installations. Ball valves (with cryogenic-rated materials and extended stems) are used for on/off isolation where tight shutoff and low pressure drop are needed. Butterfly valves are used in larger line sizes for their compact design and lower weight. Gate valves are used in full-bore applications where minimal flow restriction is required. Solenoid valves designed for cryogenic service (such as the ASCO Series 210/8210 available through Centro) provide electrically actuated on/off control for smaller line sizes in cryogenic gas and liquid service. All of these valve types must be constructed with cryogenic-rated materials and incorporate design features like extended bonnets, gas-tight packing, and special seal materials to function reliably at extreme low temperatures.
- Extended bonnets (also called stem extensions or cold boxes) are one of the most critical design features of a cryogenic valve. They create physical distance between the cryogenic fluid inside the valve body and the packing (stem seal) and actuator located at the top of the bonnet. This distance allows the packing area to operate at a significantly warmer temperature than the process fluid — which is essential because standard valve packing materials lose their flexibility and sealing ability at cryogenic temperatures. Without an extended bonnet, the extreme cold would reach the packing, causing it to contract, harden, and lose its seal against the stem, resulting in external leakage of cryogenic fluid (which instantly vaporizes into a large volume of gas, creating displacement and asphyxiation hazards in enclosed spaces). The extended bonnet also protects the actuator and any attached accessories (limit switches, positioners, solenoids) from the extreme cold that could damage their components and compromise their operation. The length of the extension is engineered based on the specific cryogenic temperature to ensure adequate thermal gradient between the process and the packing.
- Cryogenic valves are used in any industry that produces, stores, transports, or consumes liquefied gases at extremely low temperatures. Industrial gas production and distribution is the largest application — air separation plants that produce liquid nitrogen, liquid oxygen, and liquid argon use cryogenic valves throughout the process, and the distribution infrastructure (tanker trucks, storage dewars, piping systems) relies on cryogenic valves for safe, leak-free operation. LNG (liquefied natural gas) facilities including liquefaction plants, export/import terminals, storage tanks, and regasification plants use cryogenic valves for handling natural gas at approximately -260°F (-162°C). Aerospace and rocket propulsion use cryogenic valves for handling liquid hydrogen and liquid oxygen propellants. Medical facilities use them in liquid oxygen and nitrogen supply systems. Semiconductor and electronics manufacturing use them for ultra-high-purity cryogenic gas delivery. Food processing uses liquid nitrogen for flash-freezing, cryogenic grinding, and controlled-atmosphere packaging, all requiring cryogenic-rated valves.
- Selecting a cryogenic valve requires careful attention to several factors beyond standard valve selection. Confirm the exact operating temperature range — different cryogenic fluids operate at very different temperatures (LNG at -260°F, liquid nitrogen at -320°F, liquid helium at -452°F), and valve materials must be verified for the specific temperature. Verify that all materials in contact with the cryogenic fluid (body, trim, seats, seals, gaskets) maintain ductility, strength, and sealing performance at the operating temperature — carbon steel and many standard elastomers become dangerously brittle at cryogenic temperatures. Ensure the valve has an appropriately sized extended bonnet for the operating temperature to protect the packing and actuator. Specify the correct pressure class and end connections for the piping system. For automated valves, confirm that the actuator and all accessories (solenoid valves, positioners, limit switches) are rated for the ambient environmental conditions at the installation location. Consider fire safety requirements — in oxygen service, all valve components must be cleaned for oxygen compatibility and materials must be fire-safe.