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.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If primarily used for gas compression without liquefaction
Machinery focused on compressing gases rather than temperature-based liquefaction falls under other machines for gas treatment.
If for refrigeration compressors integrated into larger systems
If classified as a component refrigerator rather than standalone liquefaction machinery, it shifts to refrigeration equipment headings.
If sold as part of a complete filtering and purifying plant
When imported as an assembled plant for gas purification involving distillation, it may classify under filtering or purifying machinery.
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Import Tips & Compliance
• Verify compliance with ASME pressure vessel codes and obtain necessary certifications for cryogenic components before import
• Prepare detailed technical specifications and process flow diagrams to support classification under 8419.60.5000 and avoid misclassification as general compressors
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.
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.
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.
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.