GB/T 18443.3-2010: Testing method of performance for vacuum insulation cryogenic equipment - Part 3: Leak rate measurement

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Scope

This Part of GB/T 18443 specifies the test principles and methods, test devices, equipment and
instruments, test conditions and preparation, test procedures, data processing, test records and
test reports of the leak rate measurement of vacuum insulated cryogenic equipment.
This Part is applicable to the leak rate measurement of vacuum insulated cryogenic equipment,
such as. vacuum insulated cryogenic pressure vessels, vacuum insulated cryogenic welding gas
cylinders and vacuum insulated pipes and their pipe fittings, except for liquid hydrogen storage
and transportation media. The other equipment may take this as a reference.

Basic Data

Standard ID	GB/T 18443.3-2010 (GB/T18443.3-2010)
Description (Translated English)	Testing method of performance for vacuum insulation cryogenic equipment - Part 3: Leak rate measurement
Sector / Industry	National Standard (Recommended)
Classification of Chinese Standard	J74
Classification of International Standard	23.020
Word Count Estimation	10,192
Date of Issue	2010-09-26
Date of Implementation	2011-02-01
Older Standard (superseded by this standard)	GB/T 16775-1997; GB/T 18443.3-2001
Quoted Standard	GB/T 18443.1-2010; GB/T 18443.2
Regulation (derived from)	National Standard Approval Announcement 2010 No.6 (Total No.161)
Issuing agency(ies)	General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China
Summary	This standard specifies the principles and methods of test vacuum insulation cryogenic equipment leak rate measurements, equipment and instruments, , test conditions and test preparation, test equipment test procedure, data processing, test records and test reporting requirements. This section applies to liquid hydrogen storage medium other than vacuum insulated cryogenic pressure vessel, vacuum insulated cryogenic welding cylinders, vacuum insulated probe measuring the leakage rate of cooling equipment vacuum insulated pipe and pipe fittings, other devices can be implemented by reference.