Safety devices for protection against excessive pressure - Part 1: Safety valves - Amendment 1 (ISO 4126-1:2013/Amd 1:2016)
This part of this European Standard specifies general requirements for safety valves irrespective of the fluid for which they are designed.
It is applicable to safety valves having a flow diameter of 6 mm and above which are for use at set pressures of 0,1 bar gauge and above. No limitation is placed on temperature.
This is a product standard and is not concerned with applications for safety valves.