Electro-Hydraulic Ball Valve for Float Zone Crystal Growers from Mexico
An electro-hydraulic actuated ball valve controls high-purity process fluids in float zone crystal growers for producing semiconductor silicon ingots. Falls under HTS 8481.80.9025 as an other valve with electro-hydraulic actuator for semiconductor boule manufacturing.
Duty Rate — Mexico → United States
12%
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
• Certify leak rates below 10^-9 sccs helium for semiconductor vacuum compatibility
• Include hydrostatic test reports to demonstrate suitability for high-pressure crystal growth
• Coordinate with CBP on advance rulings for electro-hydraulic vs. hydraulic-only classification