[Steam-engine] galvanized pipe

[Andrew]

Thanks for the response guys, I don't use galvanized pipe on steam, i've
always been tod you should not but nobody ever had an explanation for
it...
Thanks.
Andrew.

On Mon, 16 Aug 2004, Andy glines wrote:

> Besides the reasons already given, I think that you
> will find it difficult to locate galvanized in the
> recommended Sch 80.  I've never seen it anyway.  You
> will also find that the zinc is cut away when the pipe
> is threaded.  The threads are where you need corrosion
> protection the most.  Galvanized surfaces are hard to
> get paint to stick to as well.   Pretty much looks
> like there are no "pluses" and only "minuses" when it
> comes to using Galvanized.
> --- Lorija799 at aol.com wrote:
>
> > Galvanized pipe sets up electrolysis and corrosion
> > in boiler use.  Always use
> > black schedule 80 for lines to boiler, and high
> > pressure heavy fittings.
> >
> > JJ
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>
> =====
> Andy Glines
> Evansville, IN
>
>
>
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