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

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

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