Re: Flange Bolt Hole Straddling Centerlines

Paul
The dowels are called among other things FLUPS or Flange Line Up Pins. It does sound like the best answer, and it provides a standard that way spools can be built away from where they are to be installed and provided the other guy leveled the holes every thing lines right up. At least that's how I see it.

A Pipefitter
On Friday, June 22, 2001, at 09:38 AM, Paul Bowers wrote:

> From my email inbox:
>
> <<Incidentally, regarding your
> question for as why the holes are straddled center line of a
> flange it
> is because the pipefitters are putting two dowels in the flange
> holes
> and putting a level over the dowels which ensure that the holes
> will be
> straddled.  I don't know if this is the real answer but I believe
> it is
> one of them.>>
>
>

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>
>
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[Non-text portions of this message have been removed] Received on Sat Jun 23 00:08:00 2001