George, Mike's answer reminded me greatly of the first discussion I had with someone on the cost of a listed expansion chamber, which I thought was off the scale for what it actually consisted of.
The client on that project still glares at me when we meet, because he thought I was padding the cost of the tank, as it was so high. -- PARSLEY CONSULTING Ken Wagoner, SET 760.745.6181 voice 760.745.0537 fax [email protected] <mailto:[email protected]> e-mail www.ParsleyConsulting.com <http://www.ParsleyConsulting.com> website George Church wrote: > Not perceived as advertising here, Mike- > nice clear and concise explanation of all the tedious and expensive steps > required to develop new products. > > There are many who look at the raw manufacturing cost of a device without > considering the development costs divided into the # units expected to be > produced. > There are propriatory sprinkler devices that have similar "baggage" and the > market then determines whether the risk taken pays off in revenue sufficient > to cover the investment. > > >From your narrative, it's a steep slop to climb, eh? Not for those faint of > heart or with shallow pockets. > > Thanks for the explanation- more than many could imagine, i trust. > > George Church > Rowe Sprinkler > > -----Original Message----- > From: [email protected] > [mailto:[email protected]] On Behalf Of Mike Henke > Sent: Thursday, June 24, 2010 11:29 AM > To: [email protected] > Subject: RE: Automatic air release > > Reliability, listings, engineering and limited demand all factor into the > price. > > Neither UL nor FM had a standard for air vents used on fire sprinkler mains > and branch lines. The only standard was for fire pumps. > > Potter commissioned and paid UL to write a standard for vents for fire > sprinkler mains and branchlines, UL2573. The vents that were listed and > approved for fire pumps do not meet the UL standard for branch line vents. > > We spent over 2 years testing and researching vents until we found one that > would meet the requirements and then another year for the actual approval > process. We just received UL listing for the only vent approved for branch > lines. > > FM still does not have a standard for this, they still only approve for use > on fire pumps despite what some other company may advertise. Potter is > trying to get FM to also create a standard for branchlines but they have > not. > > It's going to take a long time and a lot of sales to recoup our expenses on > this and I am reminded of that frequently by the people above me. > > This is not an advertisement; I'm just answering a question. > > Regards, > > mike > > Mike Henke CET > Sprinkler Product Manager > 1-800-325-3936 > 314-595-6740 Direct > www.pottersignal.com > > -----Original Message----- > From: [email protected] > [mailto:[email protected]] On Behalf Of Matthew J. > Willis > Sent: Thursday, June 24, 2010 10:09 AM > To: [email protected] > Subject: RE: Automatic air release > > > >> The device looks >> >>> pretty simple why so expensive? Reliability? >>> > > > > > Listing? > > Matthew J. Willis, CET > Automatic Fire Sprinklers > Norred Fire Systems L.L.C. > 318-387-1134 Voice > 318-816-1087 Mobile > 318-387-1163 Facsimile > [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 > > 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 > > 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 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)
