Published
ISO 4126-4:2013 specifies general requirements for pilot operated safety valves, irrespective of the fluid for which they are designed. In all cases, the operation is carried out by the fluid in the system to be protected.
It is applicable to pilot operated safety valves having a valve 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.
ISO 4126-4:2013 is a product standard and it is not applicable to applications of pilot operated safety valves.
NOTE: If the word "harmonized" (marked in green) is not found in the field with the name of the directive, it means that the European standard is not cited in the OJEU.
Directive 2014/68/EU of the European Parliament and of the Council of 15 May 2014 on the harmonisation of the laws of the Member States relating to the making available on the market of pressure equipment
Harmonized
WITHDRAWN
SRPS EN ISO 4126-4:2009
PUBLISHED
SRPS EN ISO 4126-4:2014
60.60
Standard published
May 30, 2014
MINISTARSTVO ZA INFRASTRUKTURU I