Electro-Hydraulic Ball Valve for Float Zone Crystal Growers from China
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 — China → United States
37%
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
9903.88.0325%Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
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