And, it is Friday, 1955, section 419, "1/2-inch close nipples inserted in the existing sprinkler fittings may be used with 1-inch pipe and fittings for the other portions of the U-bend"
Scott (763) 425-1001 Office (612) 759-5556 Cell -----Original Message----- From: [email protected] [mailto:[email protected]] On Behalf Of Scott A Futrell Sent: Friday, September 06, 2013 2:33 PM To: [email protected] Subject: RE: Shoulder Nipple Just for fun I looked in my first red book, 1974, it allows 1/2" and 3/4" close nipples - no pipe weight or schedule indicated. 3-7.5. Scott (763) 425-1001 Office (612) 759-5556 Cell -----Original Message----- From: [email protected] [mailto:[email protected]] On Behalf Of Ron Greenman Sent: Friday, September 06, 2013 2:19 PM To: [email protected] Subject: Re: Shoulder Nipple My trusty 1978 edition allows 1/2 or 3/4 starter nipples when revamping for an arm over. Doesn't have the 4" or less in length proviso. No rule not allowing this in a seismic zone. And bno proviso about weight of pipe. Brad, In piping manufacturer lingo it is close, shoulder, then the shortest specified length in inches for the given pipe size. On Fri, Sep 6, 2013 at 8:27 AM, Rod DiBona <[email protected]> wrote: > I haven't looked it up but will. I believe that previous editions > mandated schedule #80. That is what we have always done and I believe > that it was code driven at some point. If I can find it I will post. > > Rod at Rapid > _______________________________________________ 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
