Standard

NS-EN ISO 4126-4:2013

Oct 2013 Published

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Language English

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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.

Document information

Standard from SN
Published: 1 October 2013
Edition: 2013-07
Version: 1
Document type: NAT
ISBN:

ICS 13.240
National Committee CEN/TC 69

Legal references

EU law: 2014/68/EU, 97/23/EC

Product Relations

Referred by: NS-EN ISO 23251:2020
Referred by: NS-EN ISO 16924:2018
Replaces: NS-EN ISO 4126-4:2004
Adopted from: EN ISO 4126-4:2013 , 0

Product life cycle

Previous product

Withdrawn

NS-EN ISO 4126-4:2004
Current product

Published

NS-EN ISO 4126-4:2013

NS-EN ISO 4126-4:2013

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