Alloy Butterfly Valve for Crystal Grinder Exhaust from Japan
Hand-lever operated aluminum bronze butterfly valve for exhaust control on crystal grinders in semiconductor boule preparation lines. Fits HTS 8481.80.5090 as hand-operated other material valve for process pipes.
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%
Import Tips
• Certify non-ferrous alloy with spectrometry reports to avoid steel misclassification
• Use tamper-evident seals on valves for customs inspection to prove no contamination