K Cryocoolers allow you to cool samples, devices and/or equipment without the inconvenience and expense of liquid helium. They can be applied to a broad range of applications in both research and industry.
Some typical uses include materials research, superconductivity, cryopumps, shield cooling, and helium recondensing.
Two-stage Gifford-McMahon (G-M) refrigerator systems have been in widespread use for several decades.
Room temperature helium gas is first compressed, and then supplied to the refrigerator via flexible gas lines.
The compressed helium is cooled by expansion, and provides cooling to two heat stations on the refrigerator. After cooling the refrigerator, the gas is returned to the compressor to repeat the cycle.
Pulse Tube (PT) refrigerator systems use a similar compression/expansion cycle, but eliminate the moving regenerator found in G-M cryocoolers. PT cryocoolers often have reduced vibration levels at the vacuum interface flange as compared with G-M systems.
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