ISO 4126-4:2004
Withdrawn
View Superseded by
Safety devices for protection against excessive pressure — Part 4: Pilot-operated safety valves
Hardcopy , PDF
02-27-2004
04-09-2025
ISO 4126-4:2003 specifies general requirements for pilot operated safety valves, other than those covered in ISO 4126-1, 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.
ISO 4126-4:2003 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.
| Committee |
ISO/TC 185
|
| DocumentType |
Standard
|
| Pages |
26
|
| PublisherName |
International Organization for Standardization
|
| Status |
Withdrawn
|
| SupersededBy | |
| Supersedes |
| Standards | Relationship |
| I.S. EN ISO 4126-4:2004 | Equivalent |
| BS EN ISO 4126-4:2004 | Equivalent |
| DIN EN ISO 4126-4:2004-05 | Equivalent |
| UNE-EN ISO 4126-4:2004 | Identical |
| BS EN ISO 4126-4:2004 | Identical |
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