Stationary Seat Mechanical Seal from Japan
Mechanical seal with stationary seat design where only the rotating face moves, used in high-speed turbines. HTS 8484.20.00.00 as mechanical seal variant. Reduces wear in continuous duty applications.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Provide face material specs (silicon carbide/tungsten carbide) for correct classification
• Document as 'mechanical seal' not 'turbine part' unless machine-specific
• Ensure lapping flatness certifications accompany technical data