GB/T 18443.2-2010: Testing method of performance for vacuum insulation cryogenic equipment - Part 2: Vacuum degree 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 vacuum degree measurement of the interspace of vacuum insulated cryogenic
equipment.
This Part is applicable to the vacuum degree measurement of the interspace 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 18443.2-2010 (GB/T18443.2-2010)
Description (Translated English)	Testing method of performance for vacuum insulation cryogenic equipment - Part 2: Vacuum degree measurement
Sector / Industry	National Standard (Recommended)
Classification of Chinese Standard	J74
Classification of International Standard	23.020
Word Count Estimation	9,993
Date of Issue	2010-09-26
Date of Implementation	2011-02-01
Older Standard (superseded by this standard)	GB/T 16876-1997; GB/T 18443.2-2001
Quoted Standard	GB/T 18443.1-2010
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 vacuum measurement of mezzanine, equipment and instruments, , test conditions and test preparation, test procedure, test equipment and test data processing records and test reporting requirements. Suitable for liquid hydrogen storage medium except vacuum insulated cryogenic pressure vessel, vacuum insulated cryogenic welding cylinders, measuring vacuum insulated pipe and pipe fittings, such as vacuum insulated cryogenic equipment mezzanine vacuum, other devices can be implemented by reference.