Machinery and apparatus for isotopic separation, and parts thereof
Nuclear reactors; fuel elements (cartridges), non-irradiated, for nuclear reactors; machinery and apparatus for isotopic separation; parts thereof: > Machinery and apparatus for isotopic separation, and parts thereof
Duty Rate (from China)
Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Except as provided in headings 9903.88.05, 9903.88.06, 9903.88.07, 9903.88.08, 9903.88.10, 9903.88.11, 9903.88.14, 9903.88.19, 9903.88.50, 9903.88.52, 9903.88.58, 9903.88.60, 9903.88.62, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(a) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(b) [to this subchapter]
Products classified under HTS 8401.20.00.00
Gas Centrifuge for Uranium Enrichment
A high-speed rotating machine that uses centrifugal force to separate uranium isotopes U-235 and U-238 in gaseous UF6 form. It falls under HTS 8401.20.00.00 as specialized apparatus for isotopic separation in nuclear fuel production.
Calutron Electromagnetic Separator
Electromagnetic device that ionizes material and uses magnetic fields to separate isotopes based on mass differences, historically used for uranium. It is apparatus for isotopic separation under HTS 8401.20.00.00.
UF6 Gas Handling Manifold for Centrifuges
Specialized valve and piping assembly for feeding, enriching, and withdrawing uranium hexafluoride gas in centrifuge cascades. Parts thereof under HTS 8401.20.00.00 for isotopic separation apparatus.
Gaseous Diffusion Barrier Modules
Porous membrane modules that enable selective diffusion of lighter isotopes through microscopic pores in UF6 gas streams. Classified in HTS 8401.20.00.00 as parts of isotopic separation apparatus.
Laser Isotope Separation System
An apparatus using precisely tuned lasers to selectively excite and ionize specific isotopes for separation, often for heavy water or uranium. Classified under HTS 8401.20.00.00 for its dedicated isotopic separation function.
Cascade Gas Centrifuge Assembly
A series-connected bank of gas centrifuges operating in tandem to achieve high isotopic separation factors for UF6 enrichment. Falls under HTS 8401.20.00.00 as integrated isotopic separation machinery.
Heavy Water Distillation Column
Fractional distillation apparatus designed for separating deuterium (H2) from protium (H1) in water vapor streams via boiling point differences. Under HTS 8401.20.00.00 for isotopic separation machinery.
Cryogenic Isotope Separator Pump
Low-temperature pump designed to handle liquefied isotopic gases without fractionation or contamination during transfer. Classifies as part of isotopic separation machinery in HTS 8401.20.00.00.