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SR EN 14986:2017

Design of fans working in potentially explosive atmospheres

1.1 This European Standard 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. NOTE 1 Operation conditions for the different categories of fans used in this European Standard are defined in Clause 4. NOTE 2 Technical requirements for category 1 D fans are not given in this document. Where explosive dust atmospheres are regularly conveyed, explosion protection measures as described in EN 1127–1 are required if this specific us is needed. 1.2 This European Standard does not apply to group I fans (fans for mining), cooling fans or impellers on rotating electrical machines, cooling fans or impellers on internal combustion engines. NOTE 1 Requirements for group I fans are given in EN 1710. NOTE 2 The requirements for electrical parts are covered by references to electrical equipment standards. 1.3 This European Standard specifies requirements for design, construction, testing and marking of complete fan units inten

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Status : Withdrawn
Approval date : 6/30/2017
Romanian version publish date : 12/6/2019
Withdrawal date : 10/31/2024
Number of pages : 52
ICS : 29.120 Electrical accessories
Technical Committee : 137 - Electrical apparatus for explosive atmospheres

Relations with other standards: