Iron Swing Check Valve from Japan
A swing-type check valve made entirely of cast iron, featuring a hinged disc that swings open with forward flow and closes to prevent backflow in piping systems. Classified under HTS 8481.30.20.10 as a nonreturn valve of iron, designed for use in water, wastewater, or industrial pipelines to protect pumps and equipment from reverse flow.
Duty Rate — Japan → United States
15%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Import Tips
• Confirm the valve body is cast iron (not steel) via material certification to qualify for this specific subheading
• Provide detailed engineering drawings and flow diagrams in documentation to prove nonreturn functionality
• Watch for common pitfalls like alloy content exceeding limits, which could shift classification to steel valves