Cast Iron Ball Check Valve from Japan
Simple cast iron ball check valve where a ball seats against a cone to stop backflow, commonly used in sump pump discharge lines. Falls under HTS 8481.30.20.10 for its iron body and nonreturn mechanism in pipe applications.
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
• Photograph internals to show iron ball and seat during customs inspection
• Declare NPS pipe sizes to link to pipe/boiler shell applications