GB/T 18442.5-2019: Static vacuum insulated cryogenic pressure vessels - Part 5: Inspection and testing

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Scope

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
(hereinafter referred to as "cryogenic vessels").
This Part applies to cryogenic vessels, which simultaneously meet the following
conditions:
a) The working pressure of the inner vessel is not less than 0.1 MPa;
b) The geometric volume is not less than 1 m3;
c) The insulation method is vacuum powder insulation, vacuum composite
insulation, or high vacuum multilayer insulation;
d) The storage medium is a refrigerated liquefied gas with a standard boiling
point of not lower than -196 °C.
This Part does not apply to cryogenic vessels in the following scope:
a) The material of inner vessel and outer jacket is non-ferrous metal or non-
metal;
b) HAVE a spherical structure;
c) Stacked insulation;
d) Mobile;
e) STORE refrigerated liquefied gas medium with standard boiling point
below -196 °C;
f) The storage medium is toxic gas according to GB 12268;
g) Those with special requirements such as national defense and military
equipment.

Basic Data

Standard ID	GB/T 18442.5-2019 (GB/T18442.5-2019)
Description (Translated English)	Static vacuum insulated cryogenic pressure vessels - Part 5: Inspection and testing
Sector / Industry	National Standard (Recommended)
Classification of Chinese Standard	J76
Classification of International Standard	23.020.40
Word Count Estimation	10,159
Date of Issue	2019-12-31
Date of Implementation	2019-12-31
Issuing agency(ies)	State Administration for Market Regulation, China National Standardization Administration