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8481.80.30.30/Float Zone Crystal Puller Butterfly Valve/Japan

Float Zone Crystal Puller Butterfly Valve from Japan

Precision hand-operated cast iron butterfly valve for float zone crystal growers producing high-purity silicon wafers, under HTS 8481.80.3030 per statistical note (a)(i). Regulates process gases during zone refining. Vacuum-rated construction.

Duty Rate — Japan → United States

12.5%

Rate breakdown

9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
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Import Tips

• Reference statistical note (a)(i) crystal pullers explicitly; include vacuum specs and gas compatibility certs

• Distinguish from atmospheric pressure valves