Advanced technology helium liquefier
NexGen 160, NexGen 250 from Quantum DesignThe NexGen Liquefiers are a cryo-cooler based helium liquefiers. The NexGens are lab-scale and mobile devices that allow you to recover and liquefy the helium gas currently being lost from the normal boil off and helium transfers of your cryogenic instruments.
- Fully automated operation
- Truly mobile
- Energy efficiency
- Self-cleaning
Further information
The NexGen liquefiers use a Gifford-McMahon (GM) cryo-cooler to liquefy helium gas. The GM cryo-cooler has a closed helium gas loop that is pressurized by a compressor. The compressed helium gas is then expanded in the cold head of the liquefier which generates low temperatures that cool down the dewar and the helium gas inside.
The helium liquefier has no sophisticated installation requirements and can easily be operated in any laboratory. A touch-screen panel allows easy control of the automated system. The system can use both helium gas from a high-pressure cylinder and recycled gas from a cryogenic experiment.
Thanks to the liquefier’s outstanding design, the helium is automatically liquefied with unmatched efficiency.
As the unit is mobile and can be moved to the cryogenic experiment, the liquid helium can be directly transferred. It is not necessary to transfer it to a transport dewar first. This saves time and prevents Helium losses during dewar filling.
Models
Specifications
- Liquefaction Rate: 20+ liters/day (typical)*
- Dewar Capacity: 160 liters
- System Dimensions (L x W x H): 104 x 71 x 152 cm (liquefier without compressor)
- Compressor Package Model: Water-Cooled (variable speed optional)
- Power Consumption and Voltage Range: 6.5 - 7.5 kW (typical); High & Low Voltage Available
- Gaseous Helium Requirement: Ultra-High Purity (UHP) He (99.999%)
- Fully Automated Touch Panel Control
* Liquefaction rates vary based on transfer frequency, input helium quality and pressure. In countries where the power line frequency is 50 Hz, the liquefaction rate can be 20% lower (unless using the variable speed compressor).
Specifications
- Liquefaction Rate: 20+ liters/day (typical)*
- Dewar Capacity: 250 liters
- System Dimensions (L x W x H): 114 x 81 x 160 cm (liquefier without compressor)
- Compressor Package Model: Water-Cooled (variable speed optional)
- Power Consumption and Voltage Range: 6.5 - 7.5 kW (typical); High & Low Voltage Available
- Gaseous Helium Requirement: Ultra-High Purity (UHP) He (99.999%)
- Perfect for NMR or other labs that prefer larger transfers less frequently!
- Fully Automated Touch Panel Control
* Liquefaction rates vary based on transfer frequency, input helium quality and pressure. In countries where the power line frequency is 50 Hz, the liquefaction rate can be 20% lower (unless using the variable speed compressor).
Applications
Currently, our liquefiers are already successfully used for the recovery of liquid helium in magnetism and cryotechnology with Quantum Design products like the MPMS and PPMS, with Magnetoencephalography (MEG) systems by Elekta and with Nuclear Magnetic Resonance (NMR) systems by various suppliers. Other equipment that runs with the liquid helium from our liquefiers are bath and flow cryostats of any kind for measurement methods like Atomic Force Microscopy (AFM), Scanning Tunneling Microscopy (STM), Fourier Transform Mass Spectroscopy (FT-MS) , Electron Paramagnetic Resonance Spectroscopy (EPR), Cathodoluminescence, Mossbauer Spectroscopy, IR Detectors und Electron Beam Ion Traps (EBIT).
The NexGen liquefiers can be installed without any additional helium storage ability, the so called direct recovery system and with additional high pressure storage equipment, the so called high pressure recovery systems (please find further information in the brochure under downloads).
Downloads
Videos
Contact
