Flow and pressure are related, as you stated below. Most of the time you will start with a known flow which is based on your density and sprinkler area. However, there are portions of code and/or manufacturer's requirements that start off with a required pressure.
Duane ----- Original Message ----- From: Jeff Garrison [mailto:[email protected]] Sent: Wednesday, November 14, 2012 03:02 PM To: [email protected] <[email protected]> Subject: Re: flow per sprinkler Flow depends upon pressure, your calculated numbers are corrrect... On Wed, Nov 14, 2012 at 2:40 PM, Rubén Miranda Idrovo <[email protected]>wrote: > > > Hi evreybody: > I¨m new in the sprinklers world so I have a question every sprinkler > (ESFR, CMDA, CMSA) have a fixed flow value (GPM) no matter the pressure??? > or the flow is up to the pressure value??? > for example an ESFR k 16.8 according to the "k" formula k=Q/ P^(1/2) > with 64 PSI flow will be 134.4 GPM > with 50 PSI flow will be 118.7 GPM > Is this right??? > -------------- next part -------------- > An HTML attachment was scrubbed... > URL: < > http://fireball.firesprinkler.org/mailman/private/sprinklerforum/attachments/20121114/d1c5ed0c/attachment.html > > > _______________________________________________ > Sprinklerforum mailing list > [email protected] > http://fireball.firesprinkler.org/mailman/listinfo/sprinklerforum > -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://fireball.firesprinkler.org/mailman/private/sprinklerforum/attachments/20121114/da227ed4/attachment.html> _______________________________________________ Sprinklerforum mailing list [email protected] http://fireball.firesprinkler.org/mailman/listinfo/sprinklerforum _______________________________________________ Sprinklerforum mailing list [email protected] http://fireball.firesprinkler.org/mailman/listinfo/sprinklerforum
