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immediate downloadReleased: 2013-07-31
BS EN ISO 4126-4:2013
Safety devices for protection against excessive pressure Pilot-operated safety valves
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| Standard number: | BS EN ISO 4126-4:2013 |
| Pages: | 26 |
| Released: | 2013-07-31 |
| ISBN: | 978 0 580 66504 2 |
| Status: | Standard |
DESCRIPTION
BS EN ISO 4126-4:2013
This standard BS EN ISO 4126-4:2013 Safety devices for protection against excessive pressure is classified in these ICS categories:
- 13.240 Protection against excessive pressure
- 23.060.40 Pressure regulators
This part of ISO 4126 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.
This is a product standard and it is not applicable to applications of pilot operated safety valves.