Cryogenic Steel Butterfly Valve 4-inch Extended Bonnet from Japan
Steel butterfly valve with extended bonnet for cryogenic service in liquid nitrogen lines of semiconductor wafer inspection freeze systems. Hand-wheel operation maintains seal integrity at extreme low temperatures. Classified under HTS 8481.80.3075 for steel hand-operated butterfly valves.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Include cryogenic test data (-196°C) and material Charpy impact results
• Specify bonnet extension dimensions for pressure boundary verification
• Declare low-emission stem packing design