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Gas explosion question

Stephen Biddle
Hi All


I've just had a gas explosion in an enclosure and I'm trying to remember my basic COMPEX stuff.  The enclosure is Ex e.  I must have had an explosive mixture and a source of ingnition.  I am trying to find the cause of both, but there's not much left of it to study.  Am I right in thinking that there should not normally be an explosive mixture in an Ex e box ie this is a rare event?  If so is the presence of gas in itself a fault to be rectified?


Stephen
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    I always thought that comp-ex equipment installed where infamable/explosive gases were present should not be hemetically sealed but allow gases to enter the accessory/switch and then contain any explosions releasing depressureized cooled exhaust gases caused by sparking of switching contacts.


    Legh
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  • 0
    I always thought that comp-ex equipment installed where infamable/explosive gases were present should not be hemetically sealed but allow gases to enter the accessory/switch and then contain any explosions releasing depressureized cooled exhaust gases caused by sparking of switching contacts.


    Legh
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