Copper Swing Check Valve 1/2 Inch from Japan
A swing-type check valve made entirely of copper, featuring a hinged disc that allows fluid flow in one direction only and prevents backflow in plumbing systems. It falls under HTS 8481.30.10 as a nonreturn valve constructed of copper for use in pipes and tanks. Commonly used in residential water lines to protect pumps and fixtures.
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
• Verify material composition with mill test reports to confirm 100% copper construction, as alloys may shift classification
• Include pressure ratings and flow coefficients in documentation for customs valuation and safety compliance
• Avoid misclassification as brass fittings; copper purity is key under this subheading