This part of ISO 4126 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 4 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 applicable to applications of safety valves.
ISO 4126-1:2013 Referenced Document
ISO 4126-7:2013 Safety devices for protection against excessive pressure - Part 7: Common data
ISO 4126-1:2013 history
2016ISO 4126-1:2013/Amd 1:2016 Safety devices for protection against excessive pressure - Part 1: Safety valves; Amendment 1
2013ISO 4126-1:2013 Safety devices for protection against excessive pressure - Part 1: Safety valves
2007ISO 4126-1:2004/Cor 1:2007 Safety devices for protection against excessive pressure - Part 1: Safety valves; Technical Corrigendum 1
2004ISO 4126-1:2004 Safety devices for protection against excessive pressure - Part 1: Safety valves
1991ISO 4126-1:1991 Safety valves; part 1: general requirements