Servo-Controlled Hydraulic Pressure Reducing Valve for Wafer Lappers from United States
A servo-controlled hydraulic valve that precisely regulates lapping pressure on semiconductor wafers to achieve critical flatness specifications before fabrication. This pressure-reducing valve is classified under tariff item 8481.10.00 as a hydraulic fluid power pressure-reducing valve.
Duty Rate — United States → Canada
0%
Import Tips
• Document the valve's pressure-reducing function clearly, as servo-controlled valves may be scrutinized by CBSA
• Consider whether the valve is part of a larger machine and if Section XVI Note 3 or 4 applies
• Verify if the importer requires a business number and customs broker for clearance