Re: Re: Threaded Connections for Instruments

This is not true, piping component assessment is involved, for example, you dont install union at high pressure line class

• delacruzjuan1977 <delacruzjuan1977@yahoo.com> wrote:

> i dont agree. assessment of risk is by process
> system not individual
> component of a piping system. A threaded joint is
> allowed in all of
> the pipe spec (within the limits specified in the
> pipe class) that i
> have used even if the process falls under the scope
> of ASME B31.
>
> bottom line is - i find it hard to accept that it
> will result in the
> reduction of severity (refering to term as used in
> process safety
> management).
>
>
> --- In PipingDesign@yahoogroups.com, shasingh@...
> wrote:
> >
> > The Idea of not using threaded connection in any
> specification /
> class is
> > to avoid taking any chance or because the class is
> for some
> critical
> > service or for high pressure. But using threaded
> connection after
> block
> > valve reduces the severity of that pipe and hence
> a threaded
> connection can
> > be used.
> >
> > Regards
> > Shailesh
> > Technip Abudhabi
> >
> >
>
>
Received on Sat Feb 02 02:11:00 2008