ISO 4126-5:2013
Safety devices for protection against excessive pressure -- Part 5: Controlled safety pressure relief systems (CSPRS)
Product Details
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.