[Gasification] Sealing for gasifier?

[Brian D Paasch]

Ditto to Bruce's comment. "Leather" is a good descriptive.

-brian


On Sep 12, 2011, at 12:17 AM, Bruce Green wrote:

> The 3300 turns dark and stiff like old leather when heated. It still makes a good seal and beats the heck out of cutting gaskets that don't have its high heat range. Bruce Green
> 
> On Sun, Sep 11, 2011 at 4:22 PM, jim mason <jim at allpowerlabs.org> wrote:
> On Mon, Sep 5, 2011 at 4:56 AM, Brian D Paasch
> <brian at indianarenewables.com> wrote:
> > Depending on the location and application, we have had good success using
> > Deacon products 3300 (for bolted together flange surface-to-surface seals)
> > and 4011 (for threaded fittings). We don't really care for Deacon product
> > 8875-Thin, but maybe we simply did not have the correct need/application for
> > that product.
> > -brian
> 
> 
> brian,
> 
> i recently found this extruded cord too and ordered some as a sample.
> good to hear you've had good luck with it.  how plyable do you find it
> remains once heated?  does it keep some level of flexibility unlike
> typical black mortars?
> 
> for those who have not seen this deacon extruded cord the link is here:
> 
> http://www.deaconindustries.com/3300_tech.html
> 
> jim
> 
> 
> >
> > On Sep 5, 2011, at 7:38 AM, Bruce Green wrote:
> >
> > 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 <spaco at baldwin-telecom.net>
> > 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
> >>
> >> -----------------
> >>
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> 
> 
> --
> ------------------------------------------------------------------------------
> Jim Mason
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