Copper Check Valve for Irrigation Systems from China
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 — China → United States
23%
Rate breakdown
9903.88.157.5%Except as provided in headings 9903.88.39, 9903.88.42, 9903.88.44, 9903.88.47, 9903.88.49, 9903.88.51, 9903.88.53, 9903.88.55, 9903.88.57, 9903.88.65, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(r) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(s)
9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China
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