Turbine Interstage Seals from Japan
Labyrinth seals preventing gas leakage between turbine stages in non-aircraft gas turbines for oil & gas compression. Manufactured from abrasion-resistant alloys with precise tooth geometry. HTS 8411.91.90.40 covers non-aircraft turbine sealing parts.
Duty Rate — Japan → 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
• Provide clearance specification charts matching turbine rotor/stator dimensions
• Declare seal tooth geometry critical for classification as turbine-specific
• Avoid generic seal classification under 8484 by proving pressure differential capability