Hand-Operated Steel Plug Valve for Crystal Puller Gas Lines from Japan
Steel plug cock designed for manual operation in Czochralski crystal puller systems during monocrystalline silicon boule production. Classified under HTS 8481.80.3065 for its steel construction and plug-type mechanism in semiconductor processing. Provides reliable isolation of process gases like argon.
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
• Provide SEMI-standard certifications and cleanroom compatibility docs to support classification
• Label clearly as 'semiconductor processing valve' to prevent misclassification as general plumbing
• Watch for customs requiring proof of hand-operation; include operator manual excerpts