Bronze Spring Check Valve 3/4 Inch from China

A spring-loaded check valve primarily of copper alloys (bronze), designed to automatically close via spring action to prevent reverse flow in water systems. Classified under HTS 8481.30.10 due to its copper base material and function as a nonreturn valve for pipes and boilers. Ideal for irrigation and HVAC applications.

Duty Rate — China → United States

38%

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
9903.88.0325%Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 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(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)

Import Tips

Provide alloy certifications (e.g

UNS C83600 bronze) to prove copper dominance over 50% for this classification

Label with NSF/ANSI 61 certification for potable water use to meet U.S. import standards