And a ball valve that's part of a listed assembly, even if you would otherwise need a slow close valve like for a main drain, is OK.
On Thu, Jan 14, 2010 at 3:23 PM, Thom McMahon <[email protected]> wrote: > Speaking OF residential sprinkler systems in PA or anywhere else for that > matter, the 5 sec. slow close is code specific. You won't find it in 13D > because a ball valve is not required to be listed for 13D, but still can > "indicate". > > Thom McMahon, SET > Firetech, Inc. > 2560 Copper Ridge Dr > P.O. Box 882136 > Steamboat Springs, CO 80488 > Tel: 970-879-7952 > Fax: 970-879-7926 > > > > > _______________________________________________ > Sprinklerforum mailing list > [email protected] > http://fireball.firesprinkler.org/mailman/listinfo/sprinklerforum > > For Technical Assistance, send an email to: [email protected] > > To Unsubscribe, send an email to:[email protected] > (Put the word unsubscribe in the subject field) > -- Ron Greenman Instructor Fire Protection Engineering Bates Technical College Tacoma, WA Member: SFPE, ASCET, NFPA, AFSA, NFSA AFAA, WSAFM _______________________________________________ Sprinklerforum mailing list [email protected] http://fireball.firesprinkler.org/mailman/listinfo/sprinklerforum For Technical Assistance, send an email to: [email protected] To Unsubscribe, send an email to:[email protected] (Put the word unsubscribe in the subject field)
