Cryo Technologies Home Page

Located in Allentown, PA, Cryo Technologies is a privately owned and operated company offering unique process equipment and systems at highly competitive prices to customers world-wide. Our staff represents over two-hundred (200) years of combined experience in the design and supply of engineered process systems.

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Purification Units - Chicago - AET - Metal Fabrication - Cryo

To preserve cryogenic fluids and promote conservation, the system has several heat exchangers to pre-cool the helium gas prior to its passage through the desiccant/adsorbent bed. Process Description Gas Inlet Process. Impure gas flows to the purifier and splits into two streams.

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Cause & Effect of Helium Contamination on a Cryogenic ...

Cause & Effect of Helium Contamination on a Cryogenic Vacuum System Background. In order to understand the effects of helium contamination on a closed loop cryogenic vacuum system we first need to understand the fundamentals of a helium refrigerator.

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Cryogenics - Wikipedia

Liquefied gases, such as liquid nitrogen and liquid helium, are used in many cryogenic applications. Liquid nitrogen is the most commonly used element in cryogenics and is legally purchasable around the world. Liquid helium is also commonly used and allows for the lowest attainable temperatures to …

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Helium cryogenics - Wikipedia

In the field of cryogenics, helium [He] is utilized for a variety of reasons. The combination of helium's extremely low molecular weight and weak interatomic reactions yield interesting properties when helium is cooled below its critical temperature of 5.2 K to form a liquid. Even at absolute zero (0K

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Helium Refrigerators in the CSA Cryogenic Buyer's Guide

Custom engineered cryogenic process equipment, with a focus on helium systems. Custom helium extraction systems, cryogenic purifiers, helium refrigerators and liquefiers, nitrogen liquefiers, gas purification/recycle systems, vacuum insulated piping.

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Cryogenics - humans, body, used, process, Earth, form ...

For example, cryogenic materials are used to propel rockets into space. A tank of liquid hydrogen provides the fuel to be burned and a second tank of liquid oxygen is provided for combustion. Another space application of cryogenics is the use of liquid helium to cool orbiting infrared telescopes.

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5.1 Cryogenic system design

Gas conduction heat transfer At pressures below about 1 Pa, the mean free path of the molecule begins to exceed the distance between surfaces and heat is carried by Molecular-Kinetic processes For helium gas at 1 Atm (100 kPa) and 300 K, l ~ 60 nm For helium at 1 Pa and 300 K, l …

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Helium - Fives in Cryogenics | Energy

Helium can be purified by cryo-trapping. Helium is made by Natural Gas producers, when a positive return on investment can be obtained. The aim is to make added value to the Natural Gas field. The producers distribute the pure helium product (liquefied for transport) to industrial companies and research centers.

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Cryogenic helium gas circulation system for advanced ...

Highlights Examined cryogenic helium gas circulation for its efficacy in cooling superconducting power devices. Helium circulation systems are suitable for superconducting power devices operating at 40–60 K. Cryogenic helium gas circulation at a mass flow rate of 5 g/s can remove up to 20 W/m.

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How Is Helium Mined? | Sciencing

Apr 25, 2017· The helium gas concentrates within the nitrogen. Separate the helium gas from the nitrogen using a cryogenic separation unit. Use the compressor to compress the gas and then the gas will expand into a large container, creating a cooling effect. As the gas cools, the helium …

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Flexible & Superflex Gas Lines - SHI Cryogenics Group

Flexible & Superflex Gas Lines. All SHI systems come equipped with flexible helium gas lines. Standard lengths range from 3 meters (10 feet) to 20 meters (66 feet), depending on the system. SICERA® Cryopumps come equipped with flexible helium gas lines in 25 meter (82 feet) lengths.

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Cryogenic Safety - SLACPortalWelcomePage

cryogenic safety and pressurized gas hazards • Most commonly used cryogenic fluids in accelerator work are argon (Ar), nitrogen (N2), helium (He) and hydrogen (H2). These fluids are used in liquid and gaseous form. • These low temperature fluids have the potential for …

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Helium - Airgas

• A shielding gas for welding • A furnace atmosphere in heat-treating processes • A cryogenic in MRI and NMR machinery • A carrier gas in gas chromatography • A lift gas for balloons and airships • A refrigerant gas in cooling systems. Learn about what our reliable helium supply can …

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Cryogenic Cluster Day 2019 review | News | gasworld

Helium Shortage 3.0 – Current status, impact and outlook. Helium is an important commodity for the cryogenics sector, and there is growing anxiety around its continued supply for a range of applications.

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1.3 Properties of Cryogenic Fluids

Quantum virial expansion (helium) H 2 gas Compressibility factor (Z = pv/RT) is a measure of the deviation from ideal gas behavior (Z = 1 for ideal gas) Detailed numerical codes for properties of cryogenic fluids (e.g. REFPROP) use fits based on equations of state compared to experimental data v b RT v a p ⎟ − = ⎠ ⎞ ⎜ ⎝ ⎛ + 2

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NASA awards two helium contracts | News | gasworld

The US space agency uses helium as an inert purge gas for hydrogen systems and a pressurising agent for ground and flight fluid systems. Helium is also used throughout the agency as a cryogenic agent for cooling various materials and has been used in precision welding applications.

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Helium for sale | Rare gases manufacturer | Cryoin

Helium in tanks for sale. Helium is produced as a result of neon-helium mixture separation and purification process. It is used in welding, for filling balloons and airships, as a carrier gas (semiconductors, optical fiber). Liquid and gaseous helium is used in gas chromatography, cryogenics, in the breathing mixtures for the deep-sea diving, aeronautics and space technology.

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Helium - Wikipedia

In 1903, large reserves of helium were found in natural gas fields in parts of the United States, which is by far the largest supplier of the gas today. Liquid helium is used in cryogenics (its largest single use, absorbing about a quarter of production), particularly in the cooling of superconducting magnets, with the main commercial ...

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Acme Cryogenics Industrial Gas Supply & Distribution ...

Acme Cryogenics' team of field service techs can expertly inspect, repair and maintain your cryogenic systems, medical gas systems, gas piping systems, (LNG) liquid natural gas fueling systems, industrial piping systems and more, assist your staff in peak times, or provide a cost-effective way to install and/or maintain your equipment.

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Helium Gas - Cryogenic & Industrial Spares

Helium Gas We offer bottle filling systems to transfer helium from 50 litre transport cylinders into smaller bottles, including disposable bottles, suitable for the balloon trade. The advantage of this system is that it allows the transport cylinders to be fully emptied.

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Introduction to Liquid Helium - GSFC Cryogenics & Fluids

Sep 11, 2014· Liquid helium, like water, boils at a lower temperature when the pressure is lower. In fact, when liquid helium is kept in containers that are at atmospheric pressure, the helium temperature changes as atmospheric high and low pressure areas pass. …

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Uses of Helium - Uses Of

Helium is one of the most common elements in the universe. It is called a noble gas because it doesn't chemically interact with elements. Its atomic number is 2 and the weight is 4.002. In its natural state, it doesn't have any smell, taste or color. Common Uses of Helium Evidence shows that the human voice can be changed with a bit of helium.

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CSIC Pride Cryogenics

CSIC Pride (Nanjing) Cryogenic Technology Co., Ltd. (Pride Cryogenics) was founded in 2010, which is a technology oriented company concentrated on the development and manufacturing of cryocoolers, helium liquefiers and other cryogenic systems. Pride Cryogenics brings together many talents in technique, management and marketing areas.

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Custom (Closed Loop) Cooling Systems - Cryogenics

In order to achieve proper energy /heat transfer it is preffered to have the Helium gas in the closed loop system at sufficient pressure (preferably in the 10 -20 barg range). With CryoZone's Cryogenic Gas Circulators the gas is pumped in a closed loop from the application to the Stirling cryocoolers, where the heat is removed.

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Helium Gas Cryogenic Purifiers - Chicago - AET - Metal ...

Most commonly used by specialty gas distribution corporations or scientific/testing facilities to increase earnings or reduce helium loss. Additionally, AET's cryogenic adsorbtion helium gas purifiers can be utilized in full recovery systems to recycle processed helium that has been collected from system vents.

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Buy Compressed Helium or Liquid Helium by PurityPlus

Helium can be purchased through one of PurityPlus ® several distribution companies. We offer a vast selection of helium in purities that range from standard commercial grades to Ultra-High and Ultra-Carrier and Research Grades.We supply helium in its gas state from 3 …

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Helium Shortage - Why Is There a Helium Shortage?

Jun 25, 2012· Helium used for industrial purposes is a byproduct of natural gas production, and the Texas Panhandle is the United States' helium capital. In the natural gas fields near Amarillo, the U.S ...

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Closed Loop Helium Gas Cooling Systems

With a Stirling Cryogenerator with integrated fan, you will get a flow of cold Helium gas directly out of the cooler. Just connect a (vacuum jacketed) line between the cooler and the application and you can start. Stirling's SPC-1 and SPC-4 cryogenerators (cryocooler) provide cryogenic cooling power in the range of 500 – 4,000 Watt at 77K.

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Cryogenics Definition and Uses - ThoughtCo

Cryogenics is defined as the scientific study of materials and their behavior at extremely low temperatures.The word comes from the Greek cryo, which means "cold", and genic, which means "producing".The term is usually encountered in the context of physics, materials science, and medicine.

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