Wheatland Tube has some info that might help. The link is ht tp://www.wheatland.com/standard-steel-pipe/standard-steel-pipe-brochures-and -literature.
Bob Knight, CET III 208-318-3057 www.firebyknight.com -----Original Message----- From: [email protected] [mailto:[email protected]] On Behalf Of Steve Leyton Sent: Friday, February 01, 2013 10:38 AM To: [email protected] Subject: Working pressure rating of pipe Does anyone know where I can find working pressure ratings for Sch. 40 and Sch. 80 pipe? For years, we've just used Sch. 40 on high pressure portions of standpipes, but I got to wondering about what sprinkler piping is actually rated for. Just off the phone with Allied, and their listed Sch. 10 and 40 both rated 300psi. So if I can use Sch. 10 up to 300, my little brain goes on to reason that 40 should get me higher, but then perhaps not. What about 80? Do we have to go seamless to get higher still? I'm looking for documented, listed, approved, underwritten ... more than just an anecdotal citation. Steve Leyton _______________________________________________ Sprinklerforum mailing list [email protected] http://fireball.firesprinkler.org/mailman/listinfo/sprinklerforum ----- No virus found in this message. Checked by AVG - www.avg.com Version: 2013.0.2890 / Virus Database: 2639/6070 - Release Date: 01/31/13 _______________________________________________ Sprinklerforum mailing list [email protected] http://fireball.firesprinkler.org/mailman/listinfo/sprinklerforum
