Alloy Butterfly Valve for Crystal Grinder Exhaust from Mexico
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 — Mexico → United States
13%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
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