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.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If specifically designed for liquefying helium or hydrogen
Provisions differentiate helium/hydrogen liquefiers from other gases like nitrogen or air.
If for semiconductor gas mixing without liquefaction
Gas mixing equipment for cleanrooms classifies under other mixing machinery, not temperature liquefaction.
If functioning primarily as a temperature-controlled test chamber
Equipment for automatic temperature regulation in testing scenarios falls under control instruments.
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Import Tips & Compliance
• Include material safety data sheets (MSDS) for cryogenic fluids and ensure labeling meets UN dangerous goods regulations
• Document end-use as non-domestic to distinguish from household cryocoolers; provide buyer affidavits if needed
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.
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.