GSO ISO 4126-4:2015
ISO 4126-4:2013
Gulf Standard
Current Edition
·
Approved on
21 December 2015
Safety devices for protection against excessive pressure – Part 4: Pilot-operated safety valves
GSO ISO 4126-4:2015 Files
English
16 Pages
Current Edition
Reference Language
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GSO ISO 4126-4:2015 Scope
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.
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