Ok here is another thought ,why not use air hose and splice in
fittings? Can't get much cheaper or easier.
...Art
On Tue, 7 Oct 1997, Dave Williams wrote:
>
> -> Why think about it at all? PVC is a dime a foot, iron is 50 cents.
> -> Fittings are a quarter vs. a dollar. So what. We are talking about
> -> saving $50-100 on piping here.
>
> The price difference is a bit larger than that when you step up to 1"
> pipe. The price differential on the fittings is considerably larger.
> Toss in $50 or so for rental of that threading machine you'll need,
> unless you're a masochist. Your prices may vary somewhat regionally.
>
> Cost really wasn't a factor when I did my piping - over 100 feet, with
> ten risers and air chucks. The deciding factor was rust. Here in the
> swamplands it's common enough to see scale and rust coming out of iron
> air lines, plus I've seen 3/8" iron air pipes rupture after they'd
> rusted paper-thin.
>
> Iron pipe does fine as long as it's full of water. It's not intended
> to hold damp air.
>
> I never gave any serious consideration to copper. The bare pipe wasn't
> that expensive and the tube-to-tube fittings were okay, but the boxful
> of tube-to-NPT adapters required was horrendously expensive.
>
>
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