Considering how much corrosion I've observed and documented in wet and dry systems in schedule 10 in 8-15 years - not MIC - we only specify schedule 40.
Scott Office: (763) 425-1001 x 2 Cell: (612) 759-5556 -----Original Message----- From: Sprinklerforum <sprinklerforum-boun...@lists.firesprinkler.org> On Behalf Of Steve Leyton via Sprinklerforum Sent: Wednesday, January 20, 2021 11:07 AM To: sprinklerforum@lists.firesprinkler.org Cc: Steve Leyton <st...@protectiondesign.com>; Matt Grise <m...@afpsprink.com> Subject: RE: schedule 7 pipe? Considering how much "Sch. 7" we've seen perforated by MIC, and also that our firm is heavily invested in the institutional and educations sectors where clients want 50+ year buildings, we only spec' Sch. 10 and 40. Steve L. -----Original Message----- From: Sprinklerforum [mailto:sprinklerforum-boun...@lists.firesprinkler.org] On Behalf Of Matt Grise via Sprinklerforum Sent: Wednesday, January 20, 2021 7:58 AM To: sprinklerforum@lists.firesprinkler.org Cc: Matt Grise <m...@afpsprink.com> Subject: schedule 7 pipe? Has there been any push/interest in allowing unlisted (standard ASTM A53) schedule 7 steel pipe to be allowed by code in place of the listed "flow" piping options? Matt _______________________________________________ Sprinklerforum mailing list Sprinklerforum@lists.firesprinkler.org http://lists.firesprinkler.org/listinfo.cgi/sprinklerforum-firesprinkler.org _______________________________________________ Sprinklerforum mailing list Sprinklerforum@lists.firesprinkler.org http://lists.firesprinkler.org/listinfo.cgi/sprinklerforum-firesprinkler.org _______________________________________________ Sprinklerforum mailing list Sprinklerforum@lists.firesprinkler.org http://lists.firesprinkler.org/listinfo.cgi/sprinklerforum-firesprinkler.org
