Im assuming we're talking here about piping that conform to a
certain code and in most cases to ASME B31. Rienf. pad falls under
the scope of ASME B31 for new constn and API 570 for piping already
in-service.
Reason 'nuff for disagreeing with the statement that reinf. pad have
nothing do with containing pressure.
- In PipingDesign@yahoogroups.com, elie altawil <eliealtawil@y...>
wrote:
> Reinforcement pad are for mechanical re-enforcement
> only and not to contain pressure, hence, the need for
> a weep hole. If they are designed to hold pressure,
> they shall be coded like any pressure vessel.
>
> My humble opinion.
>
>
>
>
>
> --- tomcruz55 <tomcruz55@y...> wrote:
>
> > --- In PipingDesign@yahoogroups.com, >
> > > On Oct 6, 2004, at 4:55 AM, harihara.v ramanan
> > wrote:
> > >
> > > > Weep holes are provided in nozzle reinforcement
> > pads
> > > > of branch connections in piping and nozzles in
> > > > pressure vessels, tanks and heat exchangers to
> > vent
> > > > out the gases during welding.
> > >
> >
> > Christopher Wright <chrisw@s...> wrote:
> >
> > Actually they're used to give notice of leaks, which
> > might take
> > place
> > > during hydrotests. There's no way gas can be
> > trapped inside during
> > > welding.
> >
> > _______________________________
> >
> > Ive witness it several times before. A RP was welded
> > without the
> > weep hole. Pad bulges. And we never plug (fitting)
> > the weep holes.
> >
> > Aside from venting gas during welding and providing
> > you with a tell-
> > tale hole (notice of leaks as Chris said)udring
> > operation, the weep
> > hole is also use to perform a soap and bubble test
> > (part of
> > testing/exam prior to signoff).
> >
> >
> >
> >
>
>
>
>
>
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Received on Wed Sep 14 00:02:00 2005