Date: Fri, 30 Apr 2010 09:19:46 -0400
Reply-To: DCHAS-L Discussion List <DCHAS-L**At_Symbol_Here**LIST.UVM.EDU>
Sender: DCHAS-L Discussion List <DCHAS-L**At_Symbol_Here**LIST.UVM.EDU>
From: Ben Ruekberg <bruekberg**At_Symbol_Here**CHM.URI.EDU>
Subject: Gas Regulator Question
In-Reply-To: <9F9EF6FCEC7C46C3A362D3328C9661CC**At_Symbol_Here**QED>

             Long ago, when I was taking welding lessons, the instructor taught us to avert our faces from the regulator gauges when opening a gas tank because of a possible defect in the regulator that would pressurize the gauge and explode the glass.

             Since that time, I have read several books on laboratory practices and do not recall any of them alluding to the practice of averting one’s face when opening a gas cylinder.  Should they?

With all the accumulated experience in this group, has anyone heard of this practice or hazard?

             (Note: My old instructor might have been confusing a defective regulator hazard with the one resulting from using a contaminated regulator with an oxygen cylinder.)

             Thank you very much,

             Ben

            

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