Electro-Pneumatic Isolation Valve for Wafer Polishing Effluent from Japan
Isolation valve with electro-pneumatic actuator segments effluent lines from chemical mechanical planarization (CMP) wafer polishers in semiconductor fabs. Classified under HTS 8481.80.9025 for electrically actuated process valves.
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
• Chemical resistance certification for CMP slurry chemistries
• Fail-safe position documentation (normally closed/open)
• P&ID integration drawings for system compatibility