Copper Check Valve for Irrigation Systems from Japan
A copper check valve that prevents backflow in irrigation pipes and tanks, operating automatically via pressure differential but classified as a check appliance part. Fits HTS 8481.90.10.00 due to its copper construction for hand/check systems.
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
• Provide flow diagrams showing backflow prevention function to support check valve status
• Label with copper alloy specifications (e.g
• UNS C83600) for customs verification
• Separate from pipe fittings to prevent reclassification under plumbing hardware