Hi Steve,
Thanks for your reply. Even I was thinking in the
same streamline. Now I am confident.
Best Regards
Rajeev
- Steve McKenzie <Mechproj@xtra.co.nz> wrote:
> Hi Rajeev
> I have not answered this until now because I
> thought that you would have
> answers from others. 125# and 150# should bolt
> together with no problems.
> Use a soft rubber gasket, assuming the pressure is
> about 5 bar, and size is
> around 200NB (8"). This also assumes that the steel
> pipe is well anchored
> and expansion of the PVC pipe has been addressed.
>
> Cheers
>
> Steve
>
> -----Original Message-----
> From: rajeev chaudhari [mailto:rajeevbhai@yahoo.com]
> Sent: Saturday, August 17, 2002 6:27 PM
> To: PipingDesign@yahoogroups.com
> Subject: [PipingDesign] Query-Sump caisson Piping
>
>
> Dear Piping design memebers,
>
> I am facing one problem in design.
> Sump caisson pump vendor has provided inlet & outlet
> with 125# PVC flange . The connected piping TO SUMP
> CAISSON is Carbon steel 150 # .
> How do I go about this...?
> I appreciate your valuable time.
>
> Best Regards
> Rajeev,
> Piping Engineer
> SMOE,Singapore.
>
> --- Mario Roqueta <mario.roqueta@ensi.com.ar> wrote:
> > Dear Ivan: With reference to API Series
> > 2000/3000/5000/10000/15000/20000 you
> > can find them in API Spec 6A Specification for
> > Wellhead & Christmas Tree
> > Equipment. Best regards: Mario Roqueta - ENSI SE -
> > Neuquin - Argentina
> >
> > -----Mensaje original-----
> > De: Ivan Fernandez
> [mailto:ifernandez@tecna.com.bo]
> > Enviado el: Viernes 16 de Agosto de 2002 12:59
> > Para: PipingDesign@yahoogroups.com
> > Asunto: [PipingDesign] VALVES RATINGS
> >
> >
> > Avelino BarreiroHi to all,
> >
> > About this subject, I have a big confussion, How
> > many Valve Pressure Class
> > Ratings do we have?.
> >
> > I could find:
> >
> > ANSI B.16.34 : 125#, 150#,
> > 300#,400#,600#,900#,1500#,2500#
> > ANSI B.16.1. : 25#,125#,250#,800
> > API 602 : 800 - 1500
> >
> > There is another Pressure Class Rating followed by
> > the initials "CWP" ( See
> > MSS SP-25 ), it means Cold Working Pressure, and
> is
> > the maximum pressure
> > rating allowed under normal "ambient" temperature
> > conditions, (- 29 :C to
> > 38:C). According to the MSS SP 25, the initials
> CWP
> > are used undistinctively
> > as: ( WO-Water Oil Pressure, OWG-Oil, Water, Gas
> > Pressur,WOG-Water, Oil, Gas
> > Pressure,GLP-Gas,Liquid Pressure,WWP- Water
> Working
> > Pressure,W- Water
> > Pressure). When you have a valve under this
> pressure
> > rating class, for
> > example : 150 CWP ( it means that the maximum
> > working pressure is 150 psi @
> > 38:C).
> >
> > But I still have doubts with these ratings showed
> in
> > catalogs:
> >
> > 2000, 3000 , 6000 - To which specification
> > corresponds?
> >
> > I also found an API Rating: 2000/3000/5000/10
> 000/20
> > 000, in the catalogs,
> > but I couldn't find information about them,
> looking
> > in API publications.
> >
> > And also some valves catalogs shows an ANSI 4500.
> ??
> >
> >
> > Please, can someone of you guys help me to clarify
> > this Ratings-matter, in
> > order to know all the Valves Ratings availiables.
> >
> > Thanks in advance.
> >
> > Ivan Fernandez C.
> >
> >
>
> > ___________________
> >
> > TECNA BOLIVIA S.A.
> >
> > Torre CAINCO Av. Las Amiricas N: 7 Piso 10 - Santa
> > Cruz - Bolivia Tel.:
> > (591-3) 336-2263 Fax: (591-3) 337-8470
> >
> > Casilla de Correo 6572 - E-mail:
> > ifernandez@tecna.com.bo
> >
> >
>
> > ___________________
> >
> >
> >
> > [Non-text portions of this message have been
> > removed]
> >
> >
> >
> > Texas Flange - a good source for information on
> > industrial flanges, all they
> > ask is for referrals for designs they help with.
> > 877-610-8924.
> > www.texasflange.com
> >
>
> > unsubscribe:
> > PipingDesign-unsubscribe@yahoogroups.com
> >
> > Your use of Yahoo! Groups is subject to
> > http://docs.yahoo.com/info/terms/
> >
> >
> >
> >
>
>
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Received on Mon Aug 19 23:06:00 2002