Please help. I am confused about this thread. Why are two orifices required?
Why is it being said that the flow from an 11.2k would be different from the flows from two 5.6k's. My old fashioned math says they would be the same. Ed Vining 4819 John Muir Rd Martinez CA 94553 925-228-8792 Cell 787-0465 On Tue, Oct 4, 2011 at 2:48 PM, Cory Power <[email protected]> wrote: > The reason I'm asking is because it is an ordinary hazard system and in > the plans they spec the inspectors test routing to a hub drain in a janitors > closet. It would be much easier to have one 11.2k orifice above the hub > drain than two 5.6 k's. > > > -- > Cory Power > P& P Sprinklers Ltd > 6 Main Rd > Chapel Arm, NL A0B 1L0 > Ph: (709) 592-2029 > Fax: (709) 592-2019 > > > On 10/4/2011 6:07 PM, Justin Reid wrote: > >> The Q=k*sqrt(p) math says that it should be equal flow with equal >> pressure. >> I guess you would have slightly less pressure with the 11.2 since there is >> more flow(friction). >> >> I just had an issue yesterday trying to get a flow valve to trip with a >> remote test (one head) and thought the same thing (to look at using two >> heads). >> >> Good luck, >> >> Justin Reid >> >> >> >> >> On Tue, Oct 4, 2011 at 1:13 PM, Cory Power<[email protected]> wrote: >> >> Just wondering if anyone have used an 11.2 K Orifice to substitute for >>> two >>> 5.6 k heads on an OH1 Dry Inspectors test? Shouldn't it be equivalent? >>> >>> -- >>> Cory Power >>> P& P Sprinklers Ltd >>> 6 Main Rd >>> Chapel Arm, NL A0B 1L0 >>> Ph: (709) 592-2029 >>> Fax: (709) 592-2019 >>> >>> -------------- next part -------------- >>> An HTML attachment was scrubbed... >>> URL:<http://fireball.**firespr**inkler.org/mailman/**<http://firesprinkler.org/mailman/**> >>> private/sprinklerforum/****attachments/20111004/c48f4ae4/** >>> **attachment.html<http://**fireball.firesprinkler.org/**mailman/private/ >>> **sprinklerforum/attachments/**20111004/c48f4ae4/attachment.**html<http://fireball.firesprinkler.org/mailman/private/sprinklerforum/attachments/20111004/c48f4ae4/attachment.html> >>> > >>> ______________________________****_________________ >>> Sprinklerforum mailing list >>> Sprinklerforum@firesprinkler.****org <Sprinklerforum@firesprinkler.** >>> org <[email protected]>> >>> http://fireball.firesprinkler.****org/mailman/listinfo/**** >>> sprinklerforum<http://**fireball.firesprinkler.org/**mailman/listinfo/** >>> sprinklerforum<http://fireball.firesprinkler.org/mailman/listinfo/sprinklerforum> >>> > >>> >>> -------------- next part -------------- >> An HTML attachment was scrubbed... >> URL:<http://fireball.**firesprinkler.org/mailman/** >> private/sprinklerforum/**attachments/20111004/53f36606/**attachment.html<http://fireball.firesprinkler.org/mailman/private/sprinklerforum/attachments/20111004/53f36606/attachment.html> >> > >> ______________________________**_________________ >> Sprinklerforum mailing list >> Sprinklerforum@firesprinkler.**org <[email protected]> >> http://fireball.firesprinkler.**org/mailman/listinfo/**sprinklerforum<http://fireball.firesprinkler.org/mailman/listinfo/sprinklerforum> >> > -------------- next part -------------- > An HTML attachment was scrubbed... > URL: <http://fireball.**firesprinkler.org/mailman/** > private/sprinklerforum/**attachments/20111004/655dd34b/**attachment.html<http://fireball.firesprinkler.org/mailman/private/sprinklerforum/attachments/20111004/655dd34b/attachment.html> > > > > ______________________________**_________________ > Sprinklerforum mailing list > Sprinklerforum@firesprinkler.**org <[email protected]> > http://fireball.firesprinkler.**org/mailman/listinfo/**sprinklerforum<http://fireball.firesprinkler.org/mailman/listinfo/sprinklerforum> > -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://fireball.firesprinkler.org/mailman/private/sprinklerforum/attachments/20111004/f0f671e9/attachment.html> _______________________________________________ Sprinklerforum mailing list [email protected] http://fireball.firesprinkler.org/mailman/listinfo/sprinklerforum
