Superseded
Standard
Historical
DIN EN ISO 4126-4:2004-05
Safety devices for protection against excessive pressure - Part 4: Pilot operated safety valves (ISO 4126-4:2004); German version EN ISO 4126-4:2004
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Summary
This European Standard specifies general requirements for pilot operated safety valves, other than those covered in part 1, 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 6 mm and above which are for use at set pressures of 0,1 bar gauge and above. No limitation is placed on temperature.
Notes
Pour le(s) document(s) annulé(s) et non remplacé(s) DIN 3320-1 (1984-09) l'éditeur recommande ce document. À remplacer par DIN EN ISO 4126-4 (2009-11).
Technical characteristics
| Publisher | Deutsche Institut für Normung e.V. (DIN) |
| Publication Date | 05/01/2004 |
| Cancellation Date | 12/01/2013 |
| Page Count | 32 |
| EAN | --- |
| ISBN | --- |
| Weight (in grams) | --- |
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