Hydraulic Back Pressure Regulator for Crystal Boule Grinders
A hydraulic back pressure regulator engineered to maintain consistent grinding force on semiconductor crystal boules during diameter precision grinding for wafer production. This pressure-reducing valve falls under tariff item 8481.10.00 as a pressure-reducing valve for hydraulic fluid power systems.
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 the valve is used specifically in oleohydraulic or pneumatic transmissions
Subheading 8481.20 covers valves for oleohydraulic or pneumatic transmissions, which may apply if the regulator is part of a fluid power transmission system.
If imported as a part of the valve rather than a complete valve
Parts of valves are classified under 8481.90.00 when presented separately.
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
• Ensure the regulator is properly documented as a pressure-reducing valve for hydraulic systems to avoid misclassification
• Verify whether the goods qualify for preferential tariff treatment under Canada's free trade agreements by providing a valid certificate of origin
• Be prepared to demonstrate the specific function of the valve if requested by the CBSA
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