Industrial Helium Recovery Liquefier HRL-400
System for recapturing and reliquefying helium gas from industrial processes like MRI cooling and balloon filling via Gifford-McMahon cycle. Under HTS 8419.60.5000 as other gas liquefaction equipment, excluding specific helium provisions. Features pulse tube cryocoolers for efficiency.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If dedicated solely to helium liquefaction
Specific subheading exists for helium/hydrogen liquefiers separate from 'other' gases.
If imported as gasketed vacuum-insulated components
Static conversion equipment like Dewar parts classify under vacuum apparatus.
If with integrated power supply for static converters
Liquid-filled power supply units with cooling shift to electrical transformer headings.
Not sure which classification is right?
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Import Tips & Compliance
• Provide recycling efficiency data and process diagrams to substantiate industrial classification
• Ensure helium purity certifications if marketed for semiconductor use to align with end-use declarations
Related Products under HTS 8419.60.50.00
Cryogenic Oxygen Liquefier COL-1000
Machinery that purifies and liquefies oxygen from air using Claude cycle refrigeration, producing liquid oxygen for medical and industrial oxygen supply. It qualifies under HTS 8419.60.5000 as other gas liquefaction equipment involving cooling and condensation processes. Key components include turbo-expanders and plate-fin heat exchangers.
Air Separation Unit ASU-2000
Industrial machinery designed to separate atmospheric air into its primary components—nitrogen, oxygen, and argon—through cryogenic distillation involving cooling and liquefaction of air. It falls under HTS 8419.60.5000 as 'other' machinery for liquefying air or other gases, distinct from domestic equipment. This process changes the temperature of air to produce liquid gases for industrial applications.
Nitrogen Liquefaction Plant NLI-500
Compact plant for liquefying nitrogen gas from compressed air via cryogenic cooling and expansion cycles, used in laboratories and small-scale industrial settings. Classified under HTS 8419.60.5000 for other machinery involving temperature change for gas liquefaction. It employs heat exchangers and expanders to achieve liquid nitrogen at -196°C.
Argon Gas Liquefaction Skid ALS-300
Modular skid-mounted system for recovering and liquefying argon from air separation processes via low-temperature distillation and cooling. Falls under HTS 8419.60.5000 for other machinery liquefying gases through temperature change. Used in welding gas production and semiconductor atmospheres.
Portable Air Liquefier PAL-150
Mobile unit for on-site liquefaction of air into liquid nitrogen and oxygen, utilizing Stirling cycle cooling for field operations in research and emergency medical supply. Classified in HTS 8419.60.5000 as other non-domestic gas liquefaction machinery. Designed for rugged transport with compact heat exchangers.
CO2 Liquefaction Machine CLM-750
Equipment for converting gaseous CO2 from fermentation or combustion capture into liquid form through compression cooling and condensation for beverage carbonation and dry ice production. Fits HTS 8419.60.5000 for other gas liquefaction via temperature processes. Includes intercoolers and separators.