Cryogenic Relief Valve for LNG Tanks

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.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳China2%+35.0%37%
🇲🇽Mexico2%+10.0%12%
🇨🇦Canada2%+10.0%12%
🇩🇪Germany2%+10.0%12%
🇯🇵Japan2%+10.0%12%

Alternative Classifications

This product could be classified differently depending on its characteristics or intended use.

8481.80.90Same rate: 37%

If with automatic temperature compensation

Thermostatically compensated cryogenic valves classify under controlled appliances.

8418.69.01Lower: 35% vs 37%

If integral to complete refrigeration machinery

Refrigeration equipment components classify with the complete machinery.

Not sure which classification is right?

Our AI classifier can analyze your specific product and recommend the correct HTS code with confidence.

Import Tips & Compliance

Cryogenic testing to -196°C required; DOT/UN cryogenic vessel certification; special packaging for low-temp materials during shipping

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