EN ISO 4126-3:2006

Safety devices for protection against excessive pressure - Part 3: Safety valves and bursting disc safety devices in combination (ISO 4126-3:2006)

Publication date:   Nov 14, 2006

General information

99.60 Withdrawal effective   Sep 30, 2020

CEN

CEN/TC 69 Industrial valves

European Norm

13.240   Protection against excessive pressure

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Scope

ISO 4126-3:2006 specifies the requirements for a product assembled from the in-series combination of safety valves or CSPRS (controlled safety pressure relief systems) according to ISO 4126-1, ISO 4126-4 and ISO 4126-5, and bursting disc safety devices according to ISO 4126-2 installed within no more than five pipe diameters from the valve inlet. It specifies the design, application and marking requirements for such products, which are used to protect pressure vessels, piping or other enclosures from excessive pressure, and which comprise the bursting disc safety device, a safety valve or CSPRS and, where applicable, a short length of connecting pipe or spool piece. In addition, it gives a method for establishing the combination discharge factor used in sizing combinations.

Related legislation

Legislation related to this standard

97/23/EC

Pressure equipment

Harmonized/Supporting
2014/68/EU

Directive 2014/68/EU of the European Parliament and of the Council of 15 May 2014 on the harmonisation of the laws of the Member States relating to the making available on the market of pressure equipment

Harmonized/Supporting

Life cycle

NOW

WITHDRAWN
EN ISO 4126-3:2006
99.60 Withdrawal effective
Sep 30, 2020

REVISED BY

PUBLISHED
EN ISO 4126-3:2020