EXTERNAL PUBLICATIONS
HSE RR281
Investigations into concerns about BS EN 12874: 2001 flame arreters - Performance requirements, test methods and limits for use
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SUMMARY
Concerns have been raised by both industry and testing organisations that a flame arrester tested in to BS EN 12874:2001 may satisfy the requirements of the test process yet allow flame transmission under all operational conditions.
Herein this report there is a comprehensive discussion of the current status of knowledge regarding flame acceleration within pipelines which forms an introduction to a review of BS EN 12874; the practical problems involved in the testing of flame arresters; and a more detailed consideration of some concerns that have arisen from actual testing and specifying of deflagration and detonation arresters.
This report and the work it describes were funded by the Health and Safety Executive (HSE). Its contents, including any opinions and/or conclusions expressed, are those of the author(s) alone and do not necessarily reflect HSE policy
