Re: Re: Valve seat / seal material

From: <NIRMAL>
Date: Thu Jul 04 2002 - 00:51:00 EDT

Glass Filled PTFT (GFPTFE) can be used up to 250-260 deg C safely. We have used in plug valves in Sulphur Units.

                       "andoks_lichon"
                       <andoks_lichon@ya        To:      
PipingDesign@yahoogroups.com
                       hoo.com.au>              cc:
                                                Subject:  [PipingDesign] Re:
Valve seat / seal material
                       04/07/2002 08:30
                       AM
                       Please respond to
                       PipingDesign

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
  > >
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Your use of Yahoo! Groups is subject to http://docs.yahoo.com/info/terms/ Received on Thu Jul 04 00:51:00 2002