Yeah, it sounds like he's talking about stub-ins/stub-ons.
Paul
> >By a comparison between direct pipe to pipe connection and making use
of
> >fittings or self reinforced fittings for taking branch ,it goes
without
> >saying that the quality and easiness of the job would be much better
in
> >the latter case but regarding cost the former would be cheaper.
> If I understand you correctly, a 'direct pipe to pipe connection'
means a
> hole manually burned in the run, and the branch hand burned and ground
to
> the contour of the run. If the joint isn't fit up properly it will be
a
> starting point for a fatigue or corrosion failure, and if it isn't
> cleaned up with no protruding edges, it'll be a mess for fluid flow.
My
> own opinion is that if such an operation truly is cheaper, it's
because
> weld quality is compromised, and that isn't really cheaper at all
Received on Tue May 04 11:58:00 2004
This archive was generated by hypermail 2.1.8 : Tue Mar 04 2008 - 11:40:34 EST