Turbine Generator Coupling from Mexico
High-torque flexible coupling specifically designed to connect vertical hydraulic turbine shafts to generators, compensating for thermal expansion and alignment variations. Disc or gear type. HTS 8410.90.00.00 parts.
Duty Rate — Mexico → United States
13.8%
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
• API 671/ISO 10441 coupling standards certification required
• Declare maximum misalignment tolerance and critical speed analysis
• 8483.60 couplings pitfall - specify hydro turbine/generator interface