Standard [CURRENT]
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This document specifies the constructional requirements for fans constructed to Group II G (of explosion groups IIA, IIB and hydrogen) categories 1, 2 and 3, and Group II D categories 2 and 3, intended for use in explosive atmospheres. This document does not apply to: - group I fans (fans for mining); - cooling fans or impellers on rotating electrical machines as well as cooling fans or impellers on internal combustion engines, vehicles or electric motors. The responsible German committee is Working Committee NA 095-02-02 AA "Betriebsmittel zur Verwendung in explosionsfähigen Atmosphären" ("Equipment for use in potentially explosive atmospheres") at DIN Standards Committee Safety Design Principles (NASG).
This document replaces DIN EN 14986:2017-04 .