Per NFPA you can't weld pipe in the field. On Fri, Nov 12, 2010 at 8:56 AM, [email protected] <[email protected]> wrote: > > Can you have a reducing tee welded up? Or again, are the clearances too > tight? > > >>Cc : >>Subject : RE: Re: reduce then increase pipe sizes >> > >That would be great is we had clear access to the > pipe to do that. This is a 100+ year old mill > (and 100+ y.o. system) and there are lots of > other things in the vicinity of the main. We > would have to go a lot further away to be able to do that. > > > At 09:36 AM 11/11/2010, you wrote: >> From a. Fitters asspect. I would just cut the >> 3" main , roll groove it in place and install a >> 3" grooved tee then reduce the bull outlet Tom >> berry Precision fire protection >> Service/inspections [email protected]. Sent > >> > Subject: >> reduce then increase pipe sizes I am working on >> an existing system where we have to tie in a >> new 2-1/2" main into an existing 3". Since they >> do not make a 3x2-1/2 mechanical tee, that >> option is out. My proposal is to utilize an >> existing plugged 2" outlet, install a 2 x 0-6 >> TxG nipple and then increase to 2-1/2". It >> works hydraulically with 18+ psi left over >> (reducing the 2-1/2" > _______________________________________________ > > > _______________________________________________ > 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 Technology Bates Technical College 1101 So. Yakima Ave. Tacoma, WA 98405 [email protected] http://www.bates.ctc.edu/fireprotection/ 253.680.7346 253.576.9700 (cell) Member: AFSA, SFPE, ASCET, NFPA, NFSA, AFAA, ASEE, NIBS, WSAFM, WFC They are happy men whose natures sort with their vocations. -Francis Bacon, essayist, philosopher, and statesman (1561-1626) _______________________________________________ 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)
