GB/T 18443.4-2010 in English

《GB/T 18443.4-2010真空绝热深冷设备性能试验方法 第4部分：漏放气速率测量》由TC262（全国锅炉压力容器标准化技术委员会）归口，TC262SC8（全国锅炉压力容器标准化技术委员会低温容器分会）执行，主管部门为国家标准化管理委员会。

1 Scope

This part of GB/T 18443 specifies the requirements for testing principle and method, testing device, equipment and instrument, testing conditions and testing preparation, procedure, data processing, testing record and testing report of the leak-outgassing rate measurement of the interspace of the vacuum insulation cryogenic equipment.
This part is applicable to the leak-outgassing rate measurement of the interspace of the vacuum insulation cryogenic equipment such as the vacuum insulation cryogenic pressure vessels, vacuum insulation cryogenic welding cylinders, vacuum insulation pipe and its pipe fitting except those for storing and transporting liquid hydrogen medium, which other equipment may be referred to.

2 Normative References

The following standards contain provisions which, through reference in this part of GB/T 18443, constitute provisions of this part. For dated reference, subsequent amendments to (excluding correction to), or revisions of, any of these publications do not apply. However, all parties coming to an agreement according to this part are encouraged to study whether the latest edition of these documents is applicable. For undated references, the latest edition of the normative document is applicable to this part.