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July 9, 2020

The Importance of High-Quality Sealing in Cryogenics


Cryogenic seals are used in products that undergo extreme temperature changes, so they have to be equipped to deal with extremely high or low temperature fluctuations. These kinds of seals are used in several different ways and in a range of industries that make essential, life-saving or life-sustaining equipment.

And because using cryogenic seals in these capacities are so dangerous, yet so necessary, you need flexible sealing components to ensure seals remain effective under these types of temperature changes.

Take a look at a few areas where cryogenic sealing is used.

1. LNG Fueling Systems and Compressors & Specialty Gas Manufacturing

Cryogenics is used in liquefied natural gas (LNG) fueling systems and compressors for transportation fuel. The natural gas industry uses LNG for sea transport between countries like the Middle East and Japan, and between North Africa and Europe. Using a flexible sealing product can help components remain effective under certain temperature changes. Without this kind of product, we wouldn't be able to ship things overseas.

That's why there's such a need for materials and products like the Viton silicone o-ring, which offers higher resistance to swelling in high octane and oxygenated fuel blends and superior performance.

2. Rocket Propulsion Filling Systems


Cryogenic sealing is also used in rocket propulsion filling systems to allow machinery like rocket ships and satellites to operate efficiently. Without the proper sealant, rocket ships and satellites wouldn't be able to sustain temperature fluctuations. Cryogenic sealing helps keep temperatures under control so that rockets can stay in space for long periods of time and avoid losing too much fuel.

3. Preserving Fruits and Vegetables


According to the Cryogenic Society of America, cryogenics is used for refrigerating and freezing food to keep it fresh for longer periods of time. Preserving foods using cryogenic seals can help developing countries feed more people for longer. The process requires using freezing equipment that can withstand extremely cold temperatures. Without this equipment, food won't stay frozen and you may end up losing most of it due to spoiling.

4. Conducting Surgeries

Cryosurgery involves using extreme cold to destroy abnormal tissues. During the procedure, surgeons use either liquid nitrogen, carbon dioxide or argon. Cryosurgery is most often used for precancerous skin lesions or tumors. It's also used to treat early prostate cancer that's contained in the prostate. Once the liquid nitrogen reaches a temperature between -346 and -320 degrees Fahrenheit, it freezes anything that comes in contact with it and destroys cells upon impact.

Finding a Reliable Solution

Now that you understand more about the importance of quality sealing devices when it comes to cryogenics, you can seek out a solution. With a high-quality cryogenic sealing product, you'll have the peace of mind knowing that whatever you use it for, it won't fail. Whether you need it to preserve food, conduct surgery, for LNG fueling systems and compressors, specialty gas manufacturing or rocket propulsion filling systems, finding a reliable solution is of utmost importance.


The views and opinions expressed herein are the author's own, and do not necessarily reflect those of EconMatters.

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