Head Cover for Turbine from Mexico
Top steel cover plate sealing the upper chamber of Francis turbines above the runner, designed to withstand hydraulic head pressure. Includes lifting lugs for maintenance. Parts under HTS 8410.90.00.00.
Duty Rate — Mexico → United States
28.8%
Rate breakdown
9903.82.0925%Except as provided for in headings 9903.82.16, 9903.82.20–9903.82.26 and 9903.85.68, articles of copper and derivative aluminum and steel articles, as provided for in subdivisions (c)(vi)–(viii) and (xi) of U.S. note 16 to this subchapter
9903.05.900%Articles already subject to Section 232 (steel/aluminum/copper + derivatives, autos + parts, wood, medium/heavy vehicles + parts, semiconductors, patented pharma) — U.S. note 52(f)
Import Tips
• ASME pressure vessel stamping required; include design pressure calculations
• Specify gasket materials and torque sequences for sealing integrity
• Distinguish from manhole covers (7326.90) with pressure ratings