SS-EN-12874 Flame arresters - Performance requirements, test methods and limits for use

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This standard specifies the requirements for flame arresters which prevent flame transmission when flammable gas/air- or vapour/air-mixtures are present. It establishes uniform principles for the classification, basic construction and marking of flame arresters and specifies test methods to verify the safety requirements and determine safe limits of use. This standard does not cover the following: - External safety-related measurement and control equipment which may be required to keep the operational conditions within the established safe limits. - 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 used for gas or vapour mixtures containing more than the atmospheric oxygen concentration. - Flame arrester test procedures for internal combustion, compression ignition engines. Refer to EN 1834-1 and EN 1834-2. The safety factors incorporated into the tests specified in this standard mean that the uncertainty of measurement inherent in good quality, regularly calibrated measurement equipment is not considered to have any significant detrimental effect on the results and need not be taken into account when making the measurements necessary to verify compliance of the flame arrester with the requirements of this standard.

To find similar documents by classification:

13.220.99 (Other standards related to protection against fire)

13.230 (Explosion protection Electrical apparatus for explosive atmospheres, see 29.260.20 Explosives and pyrotechnics, see 71.100.30)

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Designation Name

SS-EN 12874

Revision Level




Publication Date

Jan. 26, 2001



Page Count


International Equivalent

EN 12874:2001 IDT