Hydraulic Sequence Valve for Float Zone Wafer Crystal Growth Systems from United States
A hydraulic sequence valve that controls pressure staging in float zone crystal growers for producing high-purity silicon crystals used in semiconductor wafers. This pressure-reducing valve is classified under tariff item 8481.10.00 as a hydraulic pressure-reducing valve.
Duty Rate — United States → Canada
0%
Import Tips
• Clearly document the pressure-reducing function of the sequence valve to support classification under 8481.10.00
• If the valve is imported as part of a complete system, review Section XVI Note 4 for potential classification with the system
• Verify whether the goods require any special permits or licenses from regulatory bodies