Just like the fire pump couplings, huge money investments. I didn't know you could pay them to develop a standard though, I learn something every day here. TD GRS
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 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 > > 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 _______________________________________________ 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)
