Self-Operating Pressure Regulator Valve for Semiconductor Wafer Etching from Japan
This self-operating regulator valve automatically maintains precise pressure levels in chemical etching processes during semiconductor wafer fabrication. It falls under HTS 8481.80.9015 as a regulator valve specifically designed for controlling pressure in semiconductor manufacturing equipment. The valve responds to pressure differentials without external power, ensuring stable flow in corrosive etchants.
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
• Verify the valve's self-operating mechanism via technical specs; electrically actuated valves classify under different subheadings
• Include manufacturer certifications confirming use in semiconductor cleanroom environments to avoid reclassification