Brass Non-Return Valve for Crystal Puller Gas Systems from Germany
A brass check valve rated over 850 kPa for argon or nitrogen gas lines in Czochralski crystal pullers, ensuring unidirectional flow to maintain ultra-pure monocrystalline silicon boule growth. Classified under HTS 8481.30.10.90 for its copper alloy construction and high-pressure semiconductor application.
Duty Rate — Germany → United States
10%
Rate breakdown
9903.05.3910%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.97, articles the product of a member state of the European Union, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 10 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Provide material test reports confirming copper/brass alloy; check for RoHS compliance in semiconductor supply chains; register with customs for high-value tech equipment valuations