Electrical Actuator Diaphragm Valve for Wafer Slicing Coolant Lines from Japan
Diaphragm valve with electrical actuator maintains precise coolant pressure in wafer slicing saws that cut monocrystalline boules into semiconductor wafers. Classified in HTS 8481.80.9025 for electrically actuated valves in semiconductor wafer preparation equipment.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Provide particle generation data showing <100 particles/ft² for cleanroom validation
• Ensure diaphragm material certificates for chemical resistance in slurry applications
• Declare as complete valve assemblies to avoid parts classification disputes