not according to b31 if we're talking about piping. both are use for
the same purpose. you perform pneumatic if theres a problem with
hydro. however the pneumatic test is more riskier to carry out than
hydro.
- In PipingDesign@yahoogroups.com, "master_halda"
<master_halda@...> wrote:
>
>
> In my understanding (correct me if i'm wrong), hydrotest is meant
for
> strength test of the conctructed pipeline where the pressure test
is
> somewhat around 1.5 of the design pressure.
>
> While pneumatic test is usually done as a leak test on the
pipeline
> system. Pneumatic test is always associated to the check on
whether
> connection of flanges/weld are not leaking. Which usually is lower
> than that of the strength test.
>
>
> --- In PipingDesign@yahoogroups.com, "prakyash" <prakyash@y...>
wrote:
> > Dear All,
> >
> > What is the difference between pneumatic test & hydrostatic
test?
> For
> > some of the components/parts why both the tests are carried out?
> >
> > Please guide me.
> >
> > regards,
> >
> > prakash
>
Received on Sat Dec 23 00:36:00 2006