ASME 16.34 also gives only min test pressure same as API-6D
D Kannan <kanmanian@yahoo.com> wrote:Try ASME B16.34 for some guidelines on
working pressures and test pressures.
Trust this helps.
Regards
Kannan
- elie altawil <eliealtawil@yahoo.com> wrote:
> Correct...sorry
> --- adolphus.o.omodu@exxonmobil.com wrote:
> > It's API 6D not API-5D. API 5D is specification
> for
> > drill pipes.
> >
> > Thanks and Regards,
> >
> > Adolphus O Omodu
> > Projects Department/Design Engg.
> > Rm 6A06 Mobil House
> > Exxonmobil
> > E-mail: <a href="/group/PipingDesign/post?postID=nXDLlilUB4OXIdCcqkeS5fqqhjDCeCTPiXSp-EBB8q5YKcWxDoJWdwEAqU69d-F_RyKc59NwDwTd1s1_OzfvZ4jEZ9vi1TH7">adolphus.o.omodu@exxonmobil.com</a>
> > Telephone: 234(01)-2621640 Ext. 2524
> > Telephone: 1-713-431-8500 Ext. 2524
> >
> >
>
> >
> >
>
> >
>
> >
> > elie altawil
>
> >
>
> >
> > <<a href="/group/PipingDesign/post?postID=-e7k81JEVAxJuTiWz9rKxDgOsfqvxNokkqTtvRkXRkdfC0tmHGl0llAjzD4QEnUCy7sFqTczJPywMQ">eliealtawil@yahoo.co</a>
>
> > To: <a href="/group/PipingDesign/post?postID=psMCfpurClwug-bc5skGZfBnlxme2Cbij5hbdYzUaeiEyRrOI-bgRq4zkg2u3dKZyIjS2Bs7f3x2Fu5KaHn_7zEMJFlw5dM">PipingDesign@yahoogroups.com</a>
>
> >
> > m>
>
> > cc:
>
> >
> >
>
> > Subject: [PipingDesign] : API-5D Valves test
> > pressure
> >
>
> > > >
> >
> > Background Information
> > API-5D (Table 5.1) gives the minimum shell test
> > pressure for valves as 1.5% of rated MAOP.
> Example:
> > ANSI Class 150, the min. shell test pressure is
> 425
> > psi.
> >
> > During hydro test of long section of a piping
> system
> > including valves, we state that the mini. test
> > pressure is 425 psi. Since we cannot maintain the
> > exact pressure, we typically use a range of test
> > pressure, i.e. 425-475 psig, Assuming 100% Yield
> of
> > pipe is >500 psig.
> >
> > Question:
> > What is the maximum pressure that we are allowed
> to
> > use on the valve?
> > Where in the Code (and which Code)I can find this
> > information?
> >
> >
Received on Wed Apr 06 17:29:00 2005