Hydraulic Sequence Valve for Float Zone Wafer Crystal Growth Systems
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.
Import Duty Rates by Country of Origin
| Origin Country | MFN Tariff | Surtaxes | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | Free | — | Free |
| 🇲🇽Mexico | Free | — | Free |
| 🇺🇸United States | Free | — | Free |
| 🇩🇪Germany | Free | — | Free |
| 🇯🇵Japan | Free | — | Free |
More Specific Codes
This product may fall under a more specific subheading:
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If used in a hydraulic transmission system
Valves for oleohydraulic transmissions are classified in 8481.20.00.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right tariff item — and can price the duty on it in the same conversation.
Import Tips & Compliance
• 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
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