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Steel Swing Check Valve from China

A swing check valve made of cast steel prevents backflow in piping systems by allowing fluid to flow in one direction only, with a hinged disc that swings open under forward pressure. Classified under HTS 8481.30.20 as a check (nonreturn) valve of iron or steel, used in industrial pipelines, water systems, and boiler applications.

Duty Rate — China → United States

42.5%

Rate breakdown

9903.88.0125%Except as provided in headings 9903.88.05, 9903.88.06, 9903.88.07, 9903.88.08, 9903.88.10, 9903.88.11, 9903.88.14, 9903.88.19, 9903.88.50, 9903.88.52, 9903.88.58, 9903.88.60, 9903.88.62, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(a) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(b) [to this subchapter]
9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China

Import Tips

Verify material certification confirming iron or steel construction to avoid reclassification under non-metallic headings

Include pressure ratings and flow coefficients in documentation for customs valuation and compliance