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purging lines while brazing? digitalmaster 06-17-2007
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Posted by digitalmaster on June 17, 2007, 7:41 pm
I was taught to purge copper lines with argon or nitrogen while brazing.For
leibert units,med gas and such.
I was talking to a residential installer and he acted as if he never heard
of doing so..Do most residential installers braze up copper lines without
atmosphere control?



Posted by daytona° on June 17, 2007, 8:04 pm
sometimes who do not know do that
but you should know if you do it...it is better and it shows


>I was taught to purge copper lines with argon or nitrogen while brazing.For
>leibert units,med gas and such.
> I was talking to a residential installer and he acted as if he never heard
> of doing so..Do most residential installers braze up copper lines without
> atmosphere control?
>



Posted by on June 18, 2007, 12:33 am

> I was taught to purge copper lines with argon or nitrogen while
brazing.For
> leibert units,med gas and such.
> I was talking to a residential installer and he acted as if he never heard
> of doing so..Do most residential installers braze up copper lines without
> atmosphere control?


Most? Yes

Is it correct not too? No

So why don't they do it? Cost




Posted by Noon-Air on June 18, 2007, 8:05 am

>
>> I was taught to purge copper lines with argon or nitrogen while
> brazing.For
>> leibert units,med gas and such.
>> I was talking to a residential installer and he acted as if he never
>> heard
>> of doing so..Do most residential installers braze up copper lines without
>> atmosphere control?
>
>
> Most? Yes
>
> Is it correct not too? No
>
> So why don't they do it? Cost

and lazyness



Posted by Zephyr on June 18, 2007, 4:06 pm
Time

--
Zyp

>
> >
> >> I was taught to purge copper lines with argon or nitrogen while
> > brazing.For
> >> leibert units,med gas and such.
> >> I was talking to a residential installer and he acted as if he never
> >> heard
> >> of doing so..Do most residential installers braze up copper lines
without
> >> atmosphere control?
> >
> >
> > Most? Yes
> >
> > Is it correct not too? No
> >
> > So why don't they do it? Cost
>
> and lazyness
>
>



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