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 testinghttps://www.chinesestandard.net, 12 juni 2020 - 16 sidor 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 with GB/T air leak rate air pressure test Air tightness test assembly dimensions Clause 16 Cleanliness detection cold shock test connection locations contents Technical requirements cryogenic pressure vessels cryogenic vessels design documents design pressure detection method external piping Geometric and assembly Geometric dimensions geometric volume Helium leak detection helium mass spectrometer hold the pressure hydraulic test inner vessel Inspection and test Inspection contents Technical Inspection items Inspection insulated cryogenic pressure insulation cryogenic equipment items Inspection contents Items marked leak detection test Leak-outgassing rate lot size inspection low-temperature performance type method of performance nondestructive testing one-by-one inspection performance for vacuum performance type test pressure gauge pressure holding provisions of GB/T rate measurement GB/T rate of vacuum refrigerated liquefied gas safety accessories specified test pressure static evaporation rate Static vacuum insulated test and air test of piping testing is passed Testing method vacuum annular space vacuum insulated cryogenic welded joints Zhangjiagang