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Posted by Grant Erwin on November 16, 2007, 12:24 pm
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SteveB wrote:
> I can get this with a trip to my welding store and hardware, but thought I'd
> save some gas.
>
> I'm making a specific device to kill gophers.
>
> Basically, I need to come off either two hoses from an OA rig, or off the
> mixing chamber of a cutting torch. One line off a torch chamber would be
> the simplest. I have flashback arrestors at the regulators.
>
> Are the fittings and threads on the hose connectors and on the body of the
> chamber common sized threads and common type seats? I would imagine they
> would not be flared tubing, but rather the seats that mate up with the
> interior metal sealed to the hose.
>
> Am I right, or do I need to get a short section of hose, cut it, and then
> come off with standard fittings?
There is no such thing as standard fittings.
There are CGA specs that cover every welding gas fitting imaginable.
Start here: http://www.concoa.com/index.php?pagetype=showRef&id=11&ref=10&cga=022
Grant
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> save some gas.
>
> I'm making a specific device to kill gophers.
>
> Basically, I need to come off either two hoses from an OA rig, or off the
> mixing chamber of a cutting torch. One line off a torch chamber would be
> the simplest. I have flashback arrestors at the regulators.
>
> Are the fittings and threads on the hose connectors and on the body of the
> chamber common sized threads and common type seats? I would imagine they
> would not be flared tubing, but rather the seats that mate up with the
> interior metal sealed to the hose.
>
> Am I right, or do I need to get a short section of hose, cut it, and then
> come off with standard fittings?