ISO 4126-1:2004

Safety devices for protection against excessive pressure -- Part 1: Safety valves

ISO 4126-1:2004 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.


General information

  • Current status : Withdrawn
    Publication date : 2004-02
  • Edition : 2
    Number of pages :
  • :
    ISO/TC 185
    Safety devices for protection against excessive pressure
  • 13.240
    Protection against excessive pressure

Got a question?

Check out our FAQs


Customer care
+41 22 749 08 88

Opening hours:
Monday to Friday - 09:00-12:00, 14:00-17:00 (UTC+1)