Resumen
ISO 4126-4:2013 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.
ISO 4126-4:2013 is a product standard and it is not applicable to applications of pilot operated safety valves.
Informaciones generales
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Estado: PublicadoFecha de publicación: 2013-07Etapa: Cierre de la revisión [90.60]
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Edición: 2Número de páginas: 16
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Comité Técnico :ISO/TC 185ICS :13.240
- RSS actualizaciones
Ciclo de vida
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Anteriormente
RetiradaISO 4126-4:2004
RetiradaISO 4126-4:2004/Cor 1:2007
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Ahora