Lever-Operated Steel Wafer Check Butterfly Valve 2.5-inch from China
Compact wafer-style steel butterfly valve with integrated check function and lever operation for preventing backflow in semiconductor crystal boule grinder coolant lines. Ensures unidirectional flow during precision grinding operations. Fits HTS 8481.80.3075 as hand-operated steel butterfly type.
Duty Rate — China → United States
40.6%
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
• Clarify check function doesn't constitute automatic operation for classification
• Specify minimum cracking pressure in technical specs for customs review
• Validate wafer pattern matches ANSI B16.34 dimensions