High-Pressure Bronze Swing Check Valve for Float Zone Systems from Japan
Bronze swing-type check valve rated above 850 kPa for inert gas control in float zone crystal growers producing high-purity semiconductor silicon. Its copper alloy construction and pressure capability qualify it under HTS 8481.30.10.90 for semiconductor processing equipment.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Document bronze UNS alloy number for customs verification; calibrate pressure ratings pre-shipment; prepare for FDA-equivalent cleanroom material certifications