Gifford-McMahon Cycle Cryocoolers for 4K–77K Applications
The Gifford-McMahon cryocooler uses adiabatic expansion of high-pressure helium gas through a displacer mechanism to achieve cryogenic temperatures. The thermodynamic process consists of two isobaric and two isochoric processes forming a complete refrigeration cycle. This proven technology delivers reliable, long-term cooling performance for the most demanding applications in healthcare imaging, semiconductor fabrication, and scientific research.
Our single-stage GM cryocoolers deliver powerful cooling at 40K to 77K temperature ranges. Ideal for HTS applications, radiation shield cooling, and industrial gas liquefaction. Each unit is engineered for stable operation, low vibration, and easy maintenance.
Compact single-stage cryocooler delivering over 30 watts of cooling power at 40K. Features stable operation with minimal vibration, rapid cooldown under 40 minutes, and straightforward maintenance access. The lightweight 17kg cold head and proven LAVROCK 60 compressor make it an excellent choice for systems requiring reliable mid-range cryogenic cooling.
Professional-grade single-stage cryocooler optimized for high cooling capacity at 20K. The HE-500B Pro pairs with the powerful LAVROCK 100 compressor to deliver exceptional performance for demanding cryogenic applications requiring substantial heat lift at low temperatures.
Ultra-high capacity single-stage cryocooler designed for the most demanding industrial applications. With over 90 watts of cooling power at 20K, the HE-20100D pushes the boundaries of single-stage GM performance, enabling new possibilities in large-scale cryogenic systems.
Industry-leading 60K cooling capacity with over 380 watts of refrigeration power. The HE-60500D sets the standard for high-power single-stage cryocoolers, ideal for large-scale industrial cooling, gas processing, and heavy-duty research applications.
The ultimate 77K cooling solution delivering over 400 watts of refrigeration capacity. The HE-77400D represents the pinnacle of single-stage GM cryocooler technology, providing unmatched cooling power at liquid nitrogen temperatures for the most challenging applications.
Versatile single-stage cryocooler offering excellent dual-range cooling flexibility. The HE-400B delivers strong performance at both 40K and 77K temperature points, making it ideal for applications that require operation across multiple temperature regimes.
Our two-stage GM cryocoolers achieve base temperatures below 2.8K with substantial cooling power at 4.2K. These systems power superconducting MRI magnets, dilution refrigerator pre-cooling, condensed matter physics research, and quantum computing applications.
The biggest capacity 4K GM Cryocooler in the industry. One HE-450D equals three traditional 415 units. This flagship two-stage cryocooler delivers over 5 watts of cooling power at 4.2K with a base temperature below 2.8K. The HE-450D redefines what is possible with GM-cycle technology, offering unprecedented cooling capacity for the most demanding superconducting applications.
Specialized two-stage cryocooler designed for ultra-low temperature measurement applications. With a base temperature below 2.3K and over 10 watts of cooling at 4K, the HE-101D delivers exceptional performance for precision scientific instruments and ultra-low temperature research.
The standard two-stage GM cryocooler providing reliable cooling power at 4K. The HE-412D is a proven workhorse for superconducting magnet systems, offering consistent performance and long service intervals for continuous operation environments.
Enhanced-capacity two-stage cryocooler delivering over 1.5 watts at 4K. The HE-415D builds upon the proven 412 platform with improved regenerator design and optimized gas flow dynamics for increased cooling performance.
Higher-capacity two-stage cryocooler with over 1.9 watts of cooling power at 4K. The HE-418D is well-suited for medium-duty superconducting applications requiring additional cooling margin above standard configurations.
Premium-grade two-stage cryocooler delivering over 2.2 watts at 4K. The HE-421D combines advanced regenerator materials with precision manufacturing to achieve superior cooling performance for demanding superconducting systems.
Best-in-class performance two-stage cryocooler with 2.5 watts at 4.2K and 35 watts at 43K. The HE-425D represents the optimal balance of first and second stage cooling, making it the preferred choice for high-performance superconducting magnet systems.
High-power two-stage cryocooler delivering over 3 watts at 4K. The HE-430D provides substantial cooling capacity for large superconducting magnets and complex cryogenic systems requiring significant heat lift at liquid helium temperatures.
Cryocooler specifically configured for Siemens MRI systems. The HE-412L delivers over 1.25 watts at 4K and is optimized for the exacting requirements of Siemens superconducting magnet cooling, ensuring reliable long-term operation in clinical environments.
Cryocooler specifically configured for GE MRI systems. The HE-412A provides over 1.25 watts of cooling at 4K and is tailored to meet the precise specifications of GE Healthcare superconducting magnets for reliable hospital operation.
Professional-grade two-stage cryocooler with 2 watts at 4.2K and an impressive 53 watts at 45K. The HE-418PRO offers an outstanding combination of first and second stage performance for professional superconducting applications requiring balanced cooling capacity.
Our cryogenics experts can help you choose the optimal GM cryocooler for your specific application, temperature requirements, and cooling capacity needs.
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