GB/T 18442.5-2019: Translated English of Chinese Standard. (GBT 18442.5-2019, GB/T18442.5-2019, GBT18442.5-2019): Static vacuum insulated cryogenic pressure vessels - Part 5: Inspection and testing
https://www.chinesestandard.net, 12.06.2020 - 16 Seiten
This Part of GB/T 18442 specifies the test methods and inspection rules during and after the fabrication of static vacuum insulated cryogenic pressure vessels.
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accordance air pressure test Air tightness test assembly dimensions carried changes Clause 16 cold shock test completed continue cryogenic pressure vessels cryogenic vessels design documents design pressure detection method documents drawings external piping Geometric and assembly Geometric dimensions geometric volume holding hydraulic test inner vessel Inspection and test Institute insulated cryogenic pressure insulation cryogenic equipment Items marked leak detection test Leak-outgassing rate less liquid lot size inspection low-temperature performance type manufactured material medium meet the requirements metal method of performance Modify nitrogen nondestructive testing Note one-by-one inspection performance for vacuum performance type test pressure-tight test production provisions of GB/T rate of vacuum references reliable rules selected Special Equipment specified test pressure standard static evaporation rate Static vacuum insulated structure subjected supports Table tank temperature testing is passed Testing method vacuum annular space vacuum degree vacuum insulated cryogenic Visual welded joints Zhangjiagang