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8481.80.30.30/Float Zone Crystal Puller Butterfly Valve/Canada

Float Zone Crystal Puller Butterfly Valve from Canada

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 — Canada → United States

15.6%

Rate breakdown

9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
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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