Re: minimum pipe spool length

I'm not trying to be smart here, but wouldn't the minimum possible pipe spool length for a butt welded end connection be none., ie., fitting to fitting?

• In PipingDesign@yahoogroups.com, MAIL MUG <melvin_magbanua@...> wrote:
  >
  > AS PER API 1104 ITS 100mm.
  >
  >
  > ----- Original Message ----
  > From: Paul Bowers <pbowers@...>
  > To: <a href="/group/PipingDesign/post?postID=9CWCvnUxW-6uwA-8ZhP840-QaoUv_nbYIA7EJFrTi65SxZFho2vu8KLNC5ZCwTuGATS5ah0lIk7iiRpVDZu3VRTscQ">PipingDesign@yahoogroups.com</a>
  > Sent: Saturday, January 6, 2007 10:40:54 AM
  > Subject: Re: [PipingDesign] minimum pipe spool length
  >
  > Good question, as I was just pondering this the other day.
  >
  > The relevant factor is probably the heat affected zone, which I
  think
  > was commented-on here a few years ago.
  >
  > Related is the question of how close you can weld a branch, re-pad
  or
  > olet. The pipingdesign archives probably has some replies, but none
  of
  > these are guaranteed answers.
  >
  > Some say it is 2" but that likely depends on pipe wall thickness
  and
  > specific welding procedures (I don't know enough to be more
  helpful,
  > maybe others do). One NPS is likely the safest way to go unless
  you're
  > really stuck for a solution.
  >
  > Paul
  >
  > dd jdh wrote:
  > > hi all,
  > >
  > > May anyone tell what will be the minimum possible pipe spool
  length
  > > for a butt welded end connection.
  > >
  > > As per AWS the minimum pipe spool length required in a line is
  one
  > > NPS.
  > >
  > > where site condition restricts this minimum requirement, is it
  > > possible to adopt
  > > lesser length spools.
  > >
  > > thanks and regards,
  > > Sadanandan.M. K
  > > PE middle east
  >
  >
  >
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