NF EN ISO 11363-2

Gas cylinders - 17E and 25E taper threads for connection of valves to gas cylinders - Part 2 : inspection gauges

ISO 11363-2:2017 specifies types, dimensions and principles of use of gauges, to be used in conjunction with the taper threads specified in ISO 11363-1 (i.e. 17E and 25E threads).

It provides examples of calculations for thread gauge dimensions on the large end diameter (Annex A) and draws attention to the limitations of the gauging system specified (Annex B).

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