Pressure relief valve for concentrators?
So, I need a pressure relief valve for my concentrator because I am building a foot pedal for my bravo. Has anyone used one? Do you know the specific part # or where you got it? All the places I have called have been completely clueless as to which one I need. I posted a question in another post, but hoping posting anoter might get some answers. Thanks!
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Talked to the peeps building my 02 unit, they say it won't be a problem, that I would gave to leave the center fire off for a really long time fir it to be an issue, and that if the bladder does break, they would fix it. So, yay!
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It would be best to get that 'fix it' statement in writing. Down the road when the unit fails the company may just say that the concentrator was abused and not cover any repair costs. The other downside is shipping. Will they pay for shipping both ways if there is an issue?
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Okay. Will keep it in mind. Thanks!
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As I read the post here and in a privious thread I think there is a disconnect in terminology. The "pressure relief valve" mentioned was simply a solenoid (or even a manual) valve that opened to atmosphere thus ensureing a flow through the system. When you searched via other people, avenues, for a pressure release valve they thought you were looking for a 'safety' type valve that opens when the pressure gets above a certain set point to protect you and the system.
What the poster meant was a pressure bypass valve. PJH |
Here is a valve that is adjustable from 0-20psi.
http://www.mcmaster.com/#48935k25/=oal4zc I purchased one and am planning on using it in my system. I don't really feel that it is necessary but for 7$ might as well play it safe. |
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Darrell |
Have not found the necessity to use a foot pedal for the Scropion with use of concentrators. Have set up the torch so that the outer fire always has oxygen supplied. That helps form the inner flame and when the outer is needed it is then only necessary to add fuel to the outer flame.
Many of the NS colors require an oxygen rich flame so IMO the additional oxygen is a plus. If constructing a home made foot pedal one could be made with an extra valve so that when oxygen is off to the torch the excess is bled off. If an adjustment for that is needed then a simple valve from the pet fish store would be sufficient. |
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Solenoids can also be gotten that are 3 port. One or the other is open, the other closed, and energizing the coil reverses that arrangment.
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