VPSA Vacuum Pressure Swing Oxygen Plant from Canada
Vacuum pressure swing adsorption plant produces tonnage oxygen from air using zeolite adsorbents, with vacuum regeneration for energy efficiency in steelmaking. HTS 8421.39.0140 applies to this large-scale gas separation apparatus.
Duty Rate — Canada → United States
10%
Rate breakdown
9903.03.0110%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
Import Tips
• Declare plant capacity (NM3/hr) and adsorbent volume for proper statistical reporting
• Include vacuum pump integration details to avoid parts classification
• Obtain pressure vessel inspections for modular skid-mounted units