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-   -   Limestone key way for vent arch? (http://www.fornobravo.com/forum/f28/limestone-key-way-vent-arch-17930.html)

Edmaddox 06-18-2012 02:17 PM

Limestone key way for vent arch?
 
The back of this stone will be a part of the throat of the flue will it get to hot I understand 840'c it starts to break down

azatty 06-18-2012 08:55 PM

Re: Limestone key way for vent arch?
 
The vent probably won't ever exceed 500 C.

Les 06-18-2012 09:27 PM

Re: Limestone key way for vent arch?
 
Quote:

Originally Posted by azatty (Post 133437)
The vent probably won't ever exceed 500 C.

You sure about that? The gasses coming out of my oven are pretty damn hot. I have never measured it, but it has to be close to the dome temp which exceeds my laser's ability (950 F plus). Why wouldn't it be, that's where it's coming from. It's most likely going to work but I always go to the edge, then step back a few...

Edit... I read the numbers too fast, Ed mentioned 840 but I ran with the 500 - huge difference between the two.

WJW 06-19-2012 10:18 AM

Re: Limestone key way for vent arch?
 
My IR thermometer reads to 2470 degrees F. The highest temps I've ever recorded in my dome were just under 1200 degrees. 840 C is equal to 1544 F.

I doubt you'd get that hot in the vent but I don't know for sure.

Bill


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