Hi,
Reinforced PTFE has been used up to 204 deg C in some of the projects that I
have been associated with. There is another factor that should not be
overlooked....the allowable temperature comes down with increase in pressure
AND size of the soft-seated ball valve.
Mahavir
-----Original Message-----
From: andoks_lichon [mailto:andoks_lichon@yahoo.com.au]
Sent: Thursday, July 04, 2002 8:30 AM
To: PipingDesign@yahoogroups.com
Subject: [PipingDesign] Re: Valve seat / seal material
most of the literature on the ptfe put its temp limit at 160-170 c
tops for continuous operation. using it at 200C maybe inviting
trouble.
- In PipingDesign@y..., constant george <chris_geocon@y...> wrote:
> I would say in this respect that PTFE should be the
> best option. Regards.
>
>
> --- "Rao V.T." <raovt@n...> wrote:
> > hi! guys
> >
> > For the soft seated ball valves, the material for
> > seat are generally
> > specified as VITON,PTFE(REINFORCED),PEEK OR BUNA-N.
> > For a temp range of 100-200c , which is the most
> > effective service wise or
> > cost wise.
> >
> > Regards
> > V.T.Rao
> >
> > DISCLAIMER :The message contained in this E-mail is
> > meant for the use of
> > intended recipient only. If you are not the intended
> > recipient, please
> > notify us immediately. Any unauthorized disclosure,
> > copying, distribution of
> > or taking any action in reliance on the contents of
> > the information
> > contained herein is strictly prohibited and is
> > liable to legal action.
> >
> >
> >
> >
> >
> >
>
>
> __________________________________________________
> Do You Yahoo!?
> LAUNCH - Your Yahoo! Music Experience
> http://launch.yahoo.com
Unsubscribe: PipingDesign-unsubscribe@yahoogroups.com
Your use of Yahoo! Groups is subject to the Yahoo! Terms of Service.
[Non-text portions of this message have been removed]
Received on Wed Jul 03 23:30:00 2002