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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%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%

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