GB/T 18442.1-2019: Static vacuum insulated cryogenic pressure vessels - Part 1: General requirements

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Scope

This Part of GB/T 18442 specifies the basic requirements for static vacuum
insulated cryogenic pressure vessels (hereinafter referred to as "cryogenic
vessels"). The cryogenic vessels specified in GB/T 18442 include tanks,
pipelines, safety accessories, instruments, loading-unloading accessories,
supports, pressure build coils, and carburetors, etc.
Note 1: The tank is defined as follows:
a) The groove end face of the first girth joint of the welded connection between the
tank and the external pipeline; the end face of the first threaded joint of the
threaded connection; the first flange sealing surface of the flange connection;
b) End caps and fasteners in the opening of the tank;
c) Attachment weld between tank and non-pressure component.
Note 2: The pipeline includes all the pipes and fittings, which may come into contact with
the medium, of the cryogenic vessel.
Note 3: The main pressure components include inner vessel barrel, inner vessel head; and
tube socket, flange, craft manhole barrel, craft manhole head, etc. in contact with
the medium.
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-
TSG 07 Regulation for Production and Filling Licensing of Special Equipment

Basic Data

Standard ID	GB/T 18442.1-2019 (GB/T18442.1-2019)
Description (Translated English)	Static vacuum insulated cryogenic pressure vessels - Part 1: General requirements
Sector / Industry	National Standard (Recommended)
Classification of Chinese Standard	J76
Classification of International Standard	23.020.40
Word Count Estimation	10,132
Date of Issue	2019-12-10
Date of Implementation	2019-12-10
Issuing agency(ies)	State Administration for Market Regulation, China National Standardization Administration