DIN EN ISO 4126-4:2013-12
Safety devices for protection against excessive pressure - Part 4: Pilot operated safety valves (ISO 4126-4:2013); German version EN ISO 4126-4:2013
| Edition date: |
2013-12-01
In Force
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|---|---|
| Available languages: | English, German |
| Summary: | This part of this International 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. |
| Keywords: | CE marking|Control technique|Definitions|Design|Explosion protection|Hydraulic tests|Identification plates|Industrial fittings|Marking|Materials|Overpressure protection|Performance tests|Pneumatic tests|Pressure|Pressure control valves|Pressure overload|Pressure tests|Safety device|Safety devices|Safety requirements|Safety valves|Specification|Specification (approval)|Testing|Type testing|Valves |
| ICS: | 13.240-Protection against excessive pressure |
| CTN: | |
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International Equivalence |
Identic EN ISO 4126-4:2013 Identic ISO 4126-4:2013 |
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Reemplazo Normas |
Reemplaza a DIN EN ISO 4126-4:2004-05 Reemplaza a DIN EN ISO 4126-4:2009-11 |










