SS-EN-ISO-4126-4 › Safety devices for protection against excessive pressure - Part 4: Pilot-operated safety valves (ISO 4126-4:2013)
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This part of 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. This is a product standard and it is not concerned with applications for pilot operated safety valves.
To find similar documents by classification:
13.240 (Protection against excessive pressure Including safety valves, bursting disc devices, etc.)
Pressure equipment
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Designation Name
SS-EN ISO 4126-4:2013
Revision Level
2013 EDITION
Status
Current
Publication Date
Aug. 9, 2013
Language(s)
English
Page Count
32
International Equivalent
EN ISO 4126-4:2013(IDT); ISO 4126-4:2013(IDT)