Check out this line of high temp sealants. Deacon Industries. Bruce Green http://www.deaconindustries.com/high-temperature-sealant.html
On Sun, Sep 4, 2011 at 11:49 PM, Pete & Sheri <[email protected]>wrote: > ** ** > > ** ** > > *From current discussions about gasification system sealing, I just > recalled how we sealed vacuum heat treating vessels that had to be good down > to about 10 ^-6 microns or better. We used Quad rings in milled (trepanned) > recesses, with vacuum greases applied. These seals were resealable many > dozens of times. I don’t know about temperature ranges available for them. > In our case, we used them on the exterior joints of the vessels where the > temps seldom exceeded the boiling point of water. But that was in the > 1960’s, so I wouldn’t be surprised if materials have improved a lot since > then. * > > A “Quad ring” is a sort-of square cross section ring, with o-shaped > edges.**** > > See:**** > > http://www.daemar.com/pdfs/118-DMR_Quad-Ring-GrooveDesign_01.pdf**** > > for a better look at one style. There are others.**** > > ** ** > > Pete Stanaitis**** > > -----------------**** > > _______________________________________________ > Gasification mailing list > > to Send a Message to the list, use the email address > [email protected] > > to UNSUBSCRIBE or Change your List Settings use the web page > > http://lists.bioenergylists.org/mailman/listinfo/gasification_lists.bioenergylists.org > > for more Gasifiers, News and Information see our web site: > http://gasifiers.bioenergylists.org/ > >
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