IS 11552 : 2020 Liquid Nitrogen Vessels of Capacity up to 75 Litres-Specification

ICS 23.020.01 MED 17

Revised Standard from Last Update.

1 SCOPE

This standard covers liquid nitrogen vessels that are double walled with multilayer, vacuum insulated construction and of capacities up to 75 litres for storage and transportation of liquefied nitrogen. These vessels are also termed vacuum vessels or cryo refrigerators or liquid nitrogen containers. The standard lays down requirement of construction and testing of above vessels. These arc non-pressurized and non-explosive vessels.

2 REFERENCES

The following standards contain provisions, which through reference in this text, constitute provisions of this standard. At the time of publication, the editions indicated were valid. All standards are subject to revision, and parties to agreements based on this standard are encouraged to investigate the possibility of applying the most recent editions of the standards indicated below:

IS No. Title

737 : 2008 Wrought aluminium and aluminium alloy sheet and strip for general engineering purposes (third revision)

2500 (Part 1) : 2000 Sampling inspection procedure: Part 1 Attribute sampling plans indexed by acceptable quality level (AQL) for lot by lot inspection (third revision)

6911 : 2017 Stainless steel plate, sheet and strip — Specification (second revision)

7028 (Part 2) : 2002 Performance tests for complete, filled transport packages: Part 2 Vibration test at fixed low frequency (second revision)

14811 : 2000 Rolled copper plate, sheet, strip and foils for general engineering purposes — Specification