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SRPS EN 14986:2011

Design of fans working in potentially explosive atmospheres

Jan 31, 2011
95.99 Withdrawal of Standard   Apr 28, 2017

General information

95.99     Apr 28, 2017

ISS

N031

European Norm

23.120     29.260.20  

English  

From plan 2010

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Scope

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 fans working in the range of ambient atmospheres having absolute pressures ranging from 0,8 bar to 1,1 bar, temperatures ranging from  20 °C to  60 °C, maximum volume fraction of 21 % oxygen content and an aerodynamic energy increase of less than 25 kJ/kg.
NOTE 1 This European Standard may also be helpful for the design, construction, testing and marking of fans intended for use in atmospheres outside the validity range stated above or in cases where other material pairings need to be used. In this case, the ignition risk assessment, ignition protection provided, additional testing (if necessary), manufacturer's marking, technical documentation and instructions to the user, should clearly demonstrate and indicate the equipment's suitability for the conditions the fan may encounter.
NOTE 2 This European Standard does not apply to integral fans of electric motors.
NOTE 3 Where undated r

Related directives

Directives related to this standard.

94/9/EC

Equipment and protective systems intended for use in potentially explosive atmospheres (ATEX)

Harmonized
2014/34/EU

Directive 2014/34/EU Of The European Parliament And Of The Council of 26 February 2014 on the harmonisation of the laws of the Member States relating to equipment and protective systems intended for use in potentially explosive atmospheres (recast)

Harmonized

Life cycle

NOW

WITHDRAWN
SRPS EN 14986:2011
95.99 Withdrawal of Standard
Apr 28, 2017

REVISED BY

PUBLISHED
SRPS EN 14986:2017

Related project

Adopted from EN 14986:2007

Regulation

Сл.гласник РС бр. 72/2017
SPISAK SRPSKIH STANDARDA iz oblasti opreme i zaštitnih sistema namenjenih za upotrebu u potencijalno eksplozivnim atmosferama

МИНИСТАРСТВО ПРИВРЕДЕ