Electro-Hydraulic Ball Valve for Float Zone Crystal Growers from Japan
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 — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
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