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SR EN 14986:2007

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 Operation conditions for the different categories of fans used in this European Standard are defined in Clause 4. 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 intended for use in potentially explosive atmospheres in air containing gas, vapour, mist and/or dusts. Such atmospheres may exist inside (the conveyed fluid), outside, or inside and outside of the fan. 1.4 This European Standard is applicable to f

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Status : Withdrawn
Approval date : 6/15/2007
Publish date : 6/17/2007
Romanian version publish date : 11/28/2008
Withdrawal date : 6/30/2017
Number of pages : 40
ICS : 23.120 Ventilators. Fans. Air-conditioners,29.260.20 Electrical apparatus for explosive atmospheres
Technical Committee : 137 - Electrical apparatus for explosive atmospheres

Relations with other standards: