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
12.5%
Rate breakdown
9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
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