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ISO 4126-4:2013 Preview
Safety devices for protection against excessive pressure -- Part 4: Pilot operated safety valves
This standard was last reviewed and confirmed in 2019. Therefore this version remains current.
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.
General information
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Status : PublishedPublication date : 2013-07
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Edition : 2Number of pages : 16
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- ICS :
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Protection against excessive pressure
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| Format | Language | |
|---|---|---|
| PDF + ePub | ||
| Paper |
- CHF88
Life cycle
A standard is reviewed every 5 years
Revisions / Corrigenda
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Previously
ISO 4126-4:2004
ISO 4126-4:2004/Cor 1:2007
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Now confirmed
ISO 4126-4:2013
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