Standard

SN EN ISO 4126-4:2013

Oct 2013 Current

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Abstract

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.

Products specifications

Standard from INB
Published: October 1 2013
Effective: October 1 2013
Document type: EN
Pages
ISBN:

ICS: 13.240
Publisher: SNV
Distributor: SNV
National Committee: INB/NK 132

Swiss Federal Authority: SECO
Designated under following Swiss law: 930.114
Designated under following EU law: Directive 2014/68/EU

Product Relations

Adopted from: ISO 4126-4:2013, IDT
Replaces: SN EN ISO 4126-4:2004

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