Date: Fri, 30 Apr 2010 11:03:29 -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: Larry.Freyer**At_Symbol_Here**SEALEDAIR.COM
Subject: Re: Gas Regulator Question
In-Reply-To: <F3558EC01B504A4C88E5400C2DC5C2D7**At_Symbol_Here**bruekbergterm1>
In our last training class, conducted by Airgas National Welders, the
trainer pointed out that you should not stand in front of the regulator
when opening a gas cylinder.  This was the first time that I had seen it
listed as a specific issue but it makes a lot of sense,


             Ben Ruekberg                                                  
             Sent by: DCHAS-L          DCHAS-L**At_Symbol_Here**LIST.UVM.EDU                
             Discussion List                                            cc 
                                       [DCHAS-L] Gas Regulator Question    
             04/30/2010 09:30                                              
             Please respond to                                             
              Discussion List                                              

            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 oneีs 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,


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