Cryogenic Relief Valve for LNG Tanks from Mexico
Low-temperature safety valve for liquefied natural gas storage tanks, relieving boil-off gas during overpressure events. HTS 8481.40.00.00 applies to its safety relief role in cryogenic pressure vessels.
Duty Rate — Mexico → United States
12%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• Cryogenic testing to -196°C required; DOT/UN cryogenic vessel certification; special packaging for low-temp materials during shipping