GB/T 18443.7-2010: Testing method of performance for vacuum insulation cryogenic equipment - Part 7: Holding time measurement

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Scope

This Part of GB/T 18443 specifies test principles and methods, test devices, equipment
and instruments, test conditions and test preparation, test procedures, data processing
and test record and test report for holding time measurement of vacuum insulation
cryogenic equipment.
This Part applies to the holding time measurement of vacuum insulation cryogenic
equipment such as vacuum insulation cryogenic pressure vessels, vacuum insulation
cryogenic welding gas cylinders, except the liquid hydrogen storing and transporting
equipment.

Basic Data

Standard ID	GB/T 18443.7-2010 (GB/T18443.7-2010)
Description (Translated English)	Testing method of performance for vacuum insulation cryogenic equipment - Part 7: Holding time measurement
Sector / Industry	National Standard (Recommended)
Classification of Chinese Standard	J74
Classification of International Standard	23.020
Word Count Estimation	9,957
Date of Issue	2010-09-26
Date of Implementation	2011-02-01
Quoted Standard	GB/T 18443.1; GB/T 18443.2; GB/T 18443.3; GB/T 18443.4; GB/T 18443.5; GB/T 18443.6; GB/T 18443.8
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 vacuum insulated cryogenic equipment maintenance time measurement-test principles and methods, apparatus 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 cylinders and other welding equipment to maintain the vacuum insulation cryogenic measurement time.