Re: : API-5D Valves test pressure

From: <D>
Date: Wed Apr 06 2005 - 10:33:00 EDT

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=HwlOhw_j5n04Z_O1o2u8zCUcXFJa5aC66FRyMBzQmWVyc59BOz7dtrJOZCyDOLOHSShKWdolE5T45tstvPCt0OA5QsX9GQ">adolphus.o.omodu@exxonmobil.com</a>
  > > Telephone: 234(01)-2621640 Ext. 2524
  > > Telephone: 1-713-431-8500 Ext. 2524
  > >
  > >
  >
  

  ---

  
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  > > elie altawil
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  > >
  > > m>
  >
  > > cc:
  >
  > >
  > >
  >
  > > Subject: [PipingDesign] : API-5D Valves test
  > > pressure
  > >
  >
  > >
  >
  > >
  > > 04/06/05 02:05 AM
  >
  > >
  >
  > >
  > > Please respond to
  >
  > >
  >
  > >
  > > PipingDesign
  >
  > >
  >
  > >
  > >
  >
  > >
  >
  > >
  > >
  >
  > >
  >
  > >
  > >
  > >
  > >
  > >
  > > 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?
  > >
  > >
  > >
  > >
  > >
  > >
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<a href="http://www.yahoo.com/r/hs">http://www.yahoo.com/r/hs</a> Received on Wed Apr 06 10:33:00 2005