316 Stainless Steel Ball Check Valve from Japan
A 316 stainless steel ball check valve employs a ball that rises with flow and seats to prevent backflow, suitable for corrosive environments. It falls under HTS 8481.30.20.90 as a steel nonreturn valve for tanks, vats, and piping systems. Corrosion resistance makes it ideal for chemical processing.
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
• Specify grade 316 certification in invoices, as higher alloy content could shift to different steel subheadings
• Ensure thread type (NPT/BSP) matches destination standards to avoid regulatory holds
• Test for leakage rates pre-shipment and include reports to demonstrate compliance with API standards