Electrical Actuator Diaphragm Valve for Wafer Slicing Coolant Lines from China
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 — China → United States
39.5%
Rate breakdown
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)
9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China
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