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Posted by pdrahn@coinet.com on February 8, 2010, 2:15 pm
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>
>
>
>
> >> A friend has a lot of these tubing
> >> expanders:http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=3D3003949=
57960
> >> which he asked me to help him sell - they used to be used on steam
> >> boilers -
> >> are they used on anything any more? =A0I notice that Wilson still sell=
s
> >> them
> >> so they must be in use on something... but what?
>
> >> --
> >> Bill =A0-www.wbnoble.com
>
> > So that is what I have! Somewhere, at some auction, I presume, I
> > obtained a thing that looks like the larger piece in the EBAY picture.
> > Just keeps getting tossed from box to box. I don't think it has any
> > markings on it.
>
> > I suppose they were used to clinch the ends of the tubes in a frame to
> > position the tubes in a boiler. The hot gasses then were forced
> > through the tubes to heat the surrounding water.
>
> > Still doesn't help determining a current use for the things.
>
> > Paul
>
> Paul - if you go back to the auction and follow the link to the Wilson pa=
ge,
> it will show you how they are used - I guess you put it into the tube and
> then turn the long tapered thingie with a wrench - it would seem that you
> need both pieces
Mine is a solid piece of steel. Must just pound on it! Not at all like
an exhaust pipe expander, which I also have.
Paul
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