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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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    Thanks that's very helpful.  I have found that there was a gas leak into the box, this is under repair now.  As for the source of ignition, it's hard to tell, because there's not much left after the explosion.  I did find a loose connection to a repair I had just done, so I'm guessin that's a possible source of a spark.  It's very concerning that this leak had been going for about six months undetected.  This shows the importance of routing maintanance.


    Stephen
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  • 0
    Thanks that's very helpful.  I have found that there was a gas leak into the box, this is under repair now.  As for the source of ignition, it's hard to tell, because there's not much left after the explosion.  I did find a loose connection to a repair I had just done, so I'm guessin that's a possible source of a spark.  It's very concerning that this leak had been going for about six months undetected.  This shows the importance of routing maintanance.


    Stephen
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