8481.80.90.35/SMC PVQ30 Series Pneumatic Proportional Valve/China

SMC PVQ30 Series Pneumatic Proportional Valve from China

A high-precision valve with pneumatic actuator for proportional pressure regulation in float zone crystal growers used for semiconductor wafer production. Classified under HTS 8481.80.9035 for its signal-responsive proportional operation in monocrystalline silicon processing. Essential for maintaining ultra-pure inert gas atmospheres during crystal pulling.

Duty Rate — China → United States

37%

Rate breakdown

9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter

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)

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Import Tips

• Provide manufacturer datasheets showing proportional flow characteristics and response time (<50ms) to customs for proper 8481.80.9035 verification

• Label with N2 or Ar gas compatibility certifications; misdeclared general industrial valves risk reclassification and penalties

• Bundle with end-user affidavits from wafer manufacturers to support semiconductor-specific use and potential MFN duty reductions