NFPA 20 ends at the pump discharge valve. You can reduce after that. On 6/10/2010 8:25 AM, Bobby Gillett wrote: > I have a 2000 GPM pump and per NFPA 20 Table 5.25(a) the Suction and > Discharge piping is to be 10". I understand the suction piping has to be 10" > for a minimum of 100" (10x the pipe diameter), but how long do I have to > keep the discharge pipe 10" before I can reduce to the 8" UG connection? > > > > Thank you, > > > > Bobby Gillett > > Sr. Project Manager > > Key Fire Protection, Inc. > > (731) 424-0130 office (731) 424-9285 fax > > (731) 267-4853 cell > > <mailto:[email protected]> > [email protected] > > > > > > > > _______________________________________________ > 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) > _______________________________________________ Sprinklerforum mailing list [email protected] http://fireball.firesprinkler.org/mailman/listinfo/sprinklerforum
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