A fixed oven, no process running through it, item goes in for period of time 
then comes out, right?

I'd probably lean toward CO2 for that with rate compensation style heat 
detection.  It gives a little better flexibility than a sprinkler.

One issue to deal with is runaway temps on these kinds of process ovens.  What 
could be the upset maximum temperature if system controls failed?  You need to 
know that before selecting any kind of heat detection device.


Craig L. Prahl, CET   
Fire Protection Specialist
Mechanical Department
CH2MHILL
Lockwood Greene
1500 International Drive
PO Box 491, Spartanburg, SC  29304-0491
Direct - 864.599.4102
Fax - 864.599.8439
[email protected]
http://www.ch2m.com 


-----Original Message-----
From: [email protected] 
[mailto:[email protected]] On Behalf Of Robert Thompson
Sent: Monday, March 29, 2010 3:53 PM
To: [email protected]
Subject: RE: 500 DEGREE OVEN

Curing oven, combustible product combustible coating. In large quantity 
continuous process.


Thank you
 Robert  Thompson 

 DAKOTA
FIRE PROTECTION
1710 N. Washington Street
Grand Forks ND 58206-5327
Phone # (701) 772-8820
Fax # (701) 772-7932
Email [email protected] 


-----Original Message-----
From: [email protected] 
[mailto:[email protected]] On Behalf Of Ron Greenman
Sent: Monday, March 29, 2010 2:48 PM
To: [email protected]
Subject: Re: 500 DEGREE OVEN

I'm feeling a little stupid. Why would you need to protect an oven?
What kind of oven? What has to heated to 500 degrees that be in a contained 
vessel? Isn't this an enclosed space where the fire would be more than less 
controlled by the consumption of oxygen? Presumably the oven itself isn't fuel 
so what's in it that;'s so hazardous? I really can't figure this one out.

On Mon, Mar 29, 2010 at 12:43 PM, Forest Wilson <[email protected]> wrote:
> Probably because sprinkler water would reach temperatures in excess of
> 120*
> (7.7.1.3.1.1) That pertains to combination systems, but I think 
> there's a similar requirement for standard wet systems.
>
>
> Forest Wilson
>
> Project Manager
> Cherokee Fire Protection Co.
> 1855 Bellbrook Ave Ste C
> Xenia OH 45385
>
> PH 937-376-2333
> FX 614-455-4324
>
> visit our blog: www.cherokee-fire.blogspot.com
>
>
> NOTICE: The information contained in this email is intended to be 
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>
>
>
>
> -----Original Message-----
> From: [email protected]
> [mailto:[email protected]] On Behalf Of Robert 
> Thompson
> Sent: Monday, March 29, 2010 3:36 PM
> To: [email protected]
> Subject: 500 DEGREE OVEN
>
> Has anyone had a problem with installing a wet sprinkler in a high temp.
> oven approx. 500 degrees.  The piping is on the exterior and a drop 
> sprinkler into the oven.   An FM plan reviewer stated that FM suggests 
> using a dry system when temps run this high.
>
>
> Thank you
>  Robert  Thompson
>
>  DAKOTA
> FIRE PROTECTION
> 1710 N. Washington Street
> Grand Forks ND 58206-5327
> Phone # (701) 772-8820
> Fax # (701) 772-7932
> Email [email protected]
>
>
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--
Ron Greenman
Instructor
Fire Protection Engineering
Bates Technical College
Tacoma, WA

Member:
SFPE, ASCET, NFPA, AFSA, NFSA AFAA, NIBS, WSAFM, WFC 
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