Machinery for liquefying air or other gases
Machinery, plant or laboratory equipment, whether or not electrically heated (excluding furnaces, ovens and other equipment of heading 85.14), for the treatment of materials by a process involving a change of temperature such as heating, cooking, roasting, distilling, rectifying, sterilizing, pasteurizing, steaming, drying, evaporating, vaporizing, condensing or cooling, other than machinery or plant of a kind used for domestic purposes; instantaneous or storage water heaters, non-electric. > Dryers: > Other, for wood, paper pulp, paper or paperboard > Machinery for liquefying air or other gases > Machinery for liquefying air or other gases
Duty Rate (from China)
Products classified under Tariff item 8419.60.00
Air Separation Unit ASU-2000
An industrial air separation unit designed to separate atmospheric air into nitrogen, oxygen, and argon through cryogenic distillation involving cooling and liquefaction. It is a complete machinery for liquefying air.
Argon Gas Liquefaction Skid ALS-300
A modular skid-mounted system for recovering and liquefying argon from air separation processes via low-temperature distillation and cooling. It is designed specifically for liquefying argon gas.
Brazed Aluminum Plate-Fin Air Separation Unit
A compact brazed aluminum plate-fin air separation unit designed for cryogenic separation of air into oxygen, nitrogen, and argon. It uses plate-fin heat exchangers to cool and liquefy air efficiently, making it machinery for liquefying air.
CO2 Liquefaction Machine CLM-750
Equipment for converting gaseous CO2 from fermentation or combustion capture into liquid form through compression cooling and condensation. It is used for beverage carbonation and dry ice production, making it machinery for liquefying gas.
Cryocooler Heat Exchanger Module for Air Liquefaction
A compact brazed aluminum plate-fin heat exchanger module integrated into Stirling or Gifford-McMahon cryocoolers for small-scale air liquefaction. It functions as part of a complete liquefying machine, not as a standalone part.
Cryogenic Oxygen Liquefier COL-1000
Machinery that purifies and liquefies oxygen from air using Claude cycle refrigeration, producing liquid oxygen for medical and industrial supply. It is designed for liquefying oxygen gas.
Helium Liquefaction Plant with Plate-Fin HX
An industrial helium liquefaction plant using multiple brazed aluminum plate-fin heat exchangers in a Claude cycle configuration for superconducting applications. It is designed specifically for liquefying helium gas.
Industrial Helium Recovery Liquefier HRL-400
A system for recapturing and reliquefying helium gas from industrial processes like MRI cooling and balloon filling via Gifford-McMahon cycle. It is designed specifically for liquefying helium.
Methane Liquefier for LNG Mini-Plant MLNG-250
A small-scale natural gas liquefaction plant using a mixed refrigerant cycle to produce LNG from pipeline methane for remote power generation. It is machinery for liquefying methane gas.
Nitrogen Liquefaction Plant NLI-500
A compact plant for liquefying nitrogen gas from compressed air via cryogenic cooling and expansion cycles, used in laboratories and small-scale industrial settings. It is designed for liquefying nitrogen.
Portable Air Liquefier PAL-150
A 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. It is machinery for liquefying air.