This standard was last reviewed and confirmed in 2019.
Therefore this version remains current.
Abstract
PreviewISO 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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Status: PublishedPublication date: 2013-07
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Edition: 2Number of pages: 16
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- ICS :
- 13.240 Protection against excessive pressure
Buy this standard
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| Format | Language | |
|---|---|---|
| std 1 92 | PDF + ePub | |
| std 2 92 | Paper |
- CHF92
Life cycle
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Previously
WithdrawnISO 4126-4:2004
WithdrawnISO 4126-4:2004/Cor 1:2007
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