Lever-Operated Steel Wafer Check Butterfly Valve 2.5-inch from Germany
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 — Germany → United States
10%
Rate breakdown
9903.05.3910%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.97, articles the product of a member state of the European Union, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 10 percent, as provided for in U.S. note 52 to this subchapter
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