Tom,
What a dirty place to put it, right in plain sight.  I looked at that table 
three times and must have stopped reading at "copper tube".  Funny how 
sometimes all you read is what you want too.

Thank you, 

Bob Knight



--- [email protected] wrote:

From: Tom Wellen <[email protected]>
To: [email protected]
Subject: Re: SS Pipe C Factor
Date: Mon, 12 Oct 2015 15:01:26 -0500

It’s in Table 23.4.4.7.1, third line from the bottom “Copper tube or stainless 
steel" is C-value of 150 in the 2013 edition.


More references to stainless steel is located in the 2016 edition.

6.3.7 StainlessSteelPipe.Stainlesssteelpipeasreferencedin the standards listed 
in Table 6.3.1.1 shall be in accordance with Schedules 10S or 40S pipe.

Table 6.3.1.1
Stainless Steel Specification for Seamless, Welded, and Heavily Cold Worked 
Austenitic Stainless Steel Pipes ASTM A312/312M

Table 6.4.1
Stainless Steel Specification for Wrought Austenitic Stainless Steel Pipe 
Fittings ASTM A403/A403M

23.4.1.2 Pipe sizes shall be no less than 1 in. (25 mm) nominal for black or 
galvanized steel piping and 3⁄4 in. (20 mm) nominal for copper tubing or brass, 
stainless steel, or nonme- tallic piping listed for fire sprinkler service 
unless permitted by 8.15.20.4 and 8.15.20.5.


Tom Wellen
AFSA Technical Services

 
> On Oct 12, 2015, at 2:49 PM, <[email protected]> <[email protected]> 
> wrote:
> 
> I am working on a food processing facility that requires stainless steel 
> piping.  NFPA 13, 2013 Edition does not have a C factor listed, but I found 
> 150 in the 2002 edition.  Is this still the correct C factor to use?  Is it 
> to be used for both wet and dry?
> 
> Thank you, 
> 
> 
> Bob Knight, CET III 
> 208-318-3057 
> www.firebyknight.com
> 
> _______________________________________________
> Sprinklerforum mailing list
> [email protected]
> http://lists.firesprinkler.org/listinfo.cgi/sprinklerforum-firesprinkler.org

_______________________________________________
Sprinklerforum mailing list
[email protected]
http://lists.firesprinkler.org/listinfo.cgi/sprinklerforum-firesprinkler.org


_______________________________________________
Sprinklerforum mailing list
[email protected]
http://lists.firesprinkler.org/listinfo.cgi/sprinklerforum-firesprinkler.org

Reply via email to