Gas cylinders - 17E and 25E taper threads for connection of valves to gas cylinders - Part 2: Inspection gauges (ISO 11363-2:2010)
ISO 11363-2:2010 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 and draws attention to the limitations of the gauging system specified.
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