Part 4-4: Standard test methods for specific applications – Electrostatic classification of flexible intermediate bulk containers (FIBC)
(IEC 61340-4-4:2012 + A1:2014); German version EN 61340-4-4:2012 + A1:2015 Class/Status:
VDE Art. No.: 0300058
This part of IEC 61340 specifies requirements for flexible intermediate bulk containers (FIBC) between 0,25 m<(hoch)3> and 3 m<(hoch)3> in volume, intended for use in hazardous explosive atmospheres. The explosive atmosphere may be created by the contents in the FIBC or may exist outside the FIBC. The requirements of this standard are applicable to all types of FIBC and inner liners, tested as manufactured, prior to use and intended for use in hazardous explosive atmospheres: Zones 1 and 2 (Groups IIA and IIB only) and Zones 21 and 22 (see Annex D for classification of hazardous areas and explosion groups). For some types of FIBC, the requirements of this standard apply only to use in hazardous explosive atmospheres with minimum ignition energy of 0,14 mJ or greater and where charging currents do not exceed 3,0 µA.
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