ISO 4126-5:2013 Preview
Safety devices for protection against excessive pressure -- Part 5: Controlled safety pressure relief systems (CSPRS)
ISO 4126-5:2013 specifies the requirements for controlled safety pressure relief systems (CSPRS) irrespective of the fluid for which they are designed.
It is applicable for main valves having a flow diameter of 4 mm and above which are for use at pressures of 0,1 bar gauge and above. No limitation is placed on temperature.
ISO 4126-5:2013 is a product standard and is not applicable to applications.
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