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Normas DIN – AENOR
DIN EN 17077:2017-02

DIN EN 17077:2017-02

Determination of burning behaviour of dust layers; German and English version prEN 17077:2017 / Note: Date of issue 2017-01-13

/ Attention: Date de parution 2017-01-13

Bestimmung des Brandverhaltens von Staubschichten; Deutsche und Englische Fassung prEN 17077:2017 / Achtung: Erscheinungsdatum 2017-01-13

Fecha Anulación:
2018-07 /Withdrawn
Equivalencias internacionales:

prEN 17077 (2017-01)

Relación con otras normas DIN:

Reemplazada por: DIN EN 17077:2018-07

Safety assessments need to look at the possibility of a fire in dust layers which could then propagate or initiate an explosion. The so-called burning class of a dust gives an indication of dust layer combustion behaviour. The burning class can be determined by a simple screening test. It is aimed to develop a European standard describing the methodology for the determination and classification of dust layer combustion behaviour. The standard should describe whether a fire started in a dust layer using an external ignition source can propagate, and if so to what extent. Based on the test result the combustion behaviour is classified according to the following: Type of Reaction Class No ignition 1 Brief ignition, rapid extinction 2 Localised combustion, negligible spreading 3 Smouldering or slow combustion without flame 4 Slow, quiet burning with flames 5 Very rapid combustion with flame propagation or rapid decomposition without flame 6 The standard will cover: - Details of the test set-up; - Description of test performance; - Classification procedure; - Effect of process conditions (e. g. process temperature).
Air flow, Burning behaviours, Definitions, Dust, Explosive atmospheres, Igniting sources, Ignition, Layers, Safety, Surface spread of flame, Temperature, Testing, Testing devices
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