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See Chinese contents: GB/T 26978-2021 GB/T 26978-2021: Design and manufacture of site built, vertical, cylindrical, flat-bottomed steel tanks for the storage of cryogenic liquefied gas
This document specifies the general requirements for the design, manufacture and installation of site built, above-ground vertical cylindrical flat-bottomed steel primary container storage tanks (including metal components, concrete components and thermal insulation components, etc.), and describes the procedures and methods for the tests, drying, replacement and cooling of the storage tanks. This document is applicable to the storage of cryogenic liquefied gas with a temperature range of ?165 ?C ~ 0 ?C, including cryogenic refrigerated hydrocarbons, such as: liquefied natural gas (LNG) and cryogenic liquefied petroleum gas (LPG), etc., whose main components are: methane, ethane, propane, butane, ethylene and propylene, etc. This document is applicable to storage tanks whose maximum design pressure is not greater than 50 kPa. This document does not apply to storage tanks whose primary container is concrete.
