Stainless Steel Swing Check Valve from China
A stainless steel swing check valve prevents backflow in piping systems by using a hinged disc that swings open with forward flow and closes against reverse flow. It is classified under HTS 8481.30.20.90 as a check (nonreturn) valve made of steel, designed for pipes, tanks, and similar applications. This valve is commonly used in water, oil, and gas systems for reliable one-way flow control.
Duty Rate — China → United States
40%
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
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]
Import Tips
• Verify material certification to confirm 100% steel construction, as alloy composition affects duty rates and classification
• Include detailed technical specs and pressure ratings in documentation to avoid misclassification as pressure-reducing valves
• Check for anti-dumping duties on steel valves from specific countries like China or India