Stainless Steel Check Valve for Wafer Slicing Saw Coolant Lines from China
Hand-operated check valve of stainless steel preventing backflow in coolant systems of wafer slicing saws for semiconductor boule processing. Classified under HTS 8481.90.3000 as a steel part of check appliances in precision semiconductor equipment. Ensures contamination-free operation during wafer slicing.
Duty Rate — China → United States
25%
Rate breakdown
9903.88.157.5%Except as provided in headings 9903.88.39, 9903.88.42, 9903.88.44, 9903.88.47, 9903.88.49, 9903.88.51, 9903.88.53, 9903.88.55, 9903.88.57, 9903.88.65, 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(r) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(s)
9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China
Import Tips
• Provide equipment blueprints showing integration in saw coolant lines; certify for DI water compatibility; watch for reclassification if sold as standalone plumbing