BS EN ISO 16852:2016 - Flame arresters. Performance requirements, test methods and limits for use

BS EN ISO 16852:2016

Flame arresters. Performance requirements, test methods and limits for use

Status : Current, Project Underway   Published : November 2016
Conformity to regulation : Designated



This International Standard specifies the requirements for flame arresters that prevent flame transmission when explosive gas-air or vapour-air mixtures are present. It establishes uniform principles for the classification, basic construction and information for use, including the marking of flame arresters, and specifies test methods to verify the safety requirements and determine safe limits of use.

This International Standard is valid for pressures ranging from 80 kPa to 160 kPa and temperatures ranging from −20 °C to + 150 °C.


For flame arresters with operational conditions inside the scope, but outside atmospheric conditions, see 7.4 .


In designing and testing flame arresters for operation under conditions other than those specified above, this International Standard can be used as a guide. However, additional testing related specifically to the intended conditions of use is advisable. This is particularly important when high temperatures and pressures are applied. The test mixtures might need to be modified in these cases.


An additional standard IMO MSC/Circ. 677 for maritime application from IMO (International Maritime Organization) exists.

This International Standard is not applicable to the following:

  • external safety-related measurement and control equipment that might be required to keep the operational conditions within the established safe limits;


Integrated measurement and control equipment, such as integrated temperature and flame sensors as well as parts which, for example, intentionally melt (retaining pin), burn away (weather hoods) or bend (bimetallic strips), is within the scope of this International Standard.

  • flame arresters used for explosive mixtures of vapours and gases, which tend to self-decompose (e.g. acetylene) or which are chemically unstable;

  • flame arresters used for carbon disulphide, due to its special properties;

  • flame arresters whose intended use is for mixtures other than gas-air or vapour-air mixtures (e.g. higher oxygen-nitrogen ratio, chlorine as oxidant, etc.);

  • flame arrester test procedures for internal-combustion compression ignition engines;

  • fast acting valves, extinguishing systems and other explosion isolating systems.

Standard NumberBS EN ISO 16852:2016
TitleFlame arresters. Performance requirements, test methods and limits for use
StatusCurrent, Project Underway
Publication Date30 November 2016
Conformity to regulationDesignated
Normative References(Required to achieve compliance to this standard)IEC 60079-1
Informative References(Provided for Information)2014/34/EU, ISO 3511-1, IEC 60079-20-1:2010, ISO 14617-7, IMO MSC/Circ. 677, IEC 60079-4, NFPA 497:2012, NFPA 69:2014, ISO 8421-1:1987
ReplacesBS EN ISO 16852:2010
International RelationshipsEN ISO 16852 (ISO 16852:2016),ISO 16852:2016
Draft Superseded By14/30284759 DC
DescriptorsClassification systems, Fire safety, Safety devices, Performance, Marking, Chemical plants, Verification, Industrial, Fire tests, Instructions for use, Performance testing, Safety measures, Flame traps
Title in FrenchArrête-flammes. Exigences de performance, méthodes d'essai et limites d'utilisation
Title in GermanFlammendurchschlagsicherungen. Leistungsanforderungen, Prüfverfahren und Einsatzgrenzen
ISBN978 0 580 83289 5
File Size2.574 MB

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