Steam Turbine Labyrinth Seal from Mexico
Non-contact seal with interlocking teeth preventing steam leakage between rotating and stationary turbine parts. Precision-machined from hard alloys, HTS 8406.90.45.80 as other parts (not leak-proof packing). Reduces efficiency losses in high-speed turbine environments.
Duty Rate — Mexico → United States
15%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• Differentiate from brush seals or packing via clearance specifications
• Surface finish measurements critical for customs engineering review