I still have the check valve from a Ames that failed to open. It was jammed shut, discovered when I was called out because they couldn't do the fire pump test.
In another case, I tested a backflow and it failed (on a Best Buy store). I opened the valve up and the check was damaged, would only open a third. Sent from my iPhone On Jul 24, 2013, at 8:53 PM, Ron Greenman <[email protected]> wrote: > Worked well for plumbing and process piping applications as they are > constantly being exercised. > > > On Wed, Jul 24, 2013 at 5:12 PM, Dwight Havens <[email protected]>wrote: > >> I do remember the ones with the rods in the center of the valve being >> particularly poor. >> >> Dwight >> >> >> >> >> ________________________________ >> From: Ron Greenman <[email protected]> >> To: [email protected] >> Sent: Tuesday, July 23, 2013 11:25 PM >> Subject: Re: SIGN for Backflow Prevention Assembly Forward Flow Test >> >> >> By the mid-nineties you have the early Ames models purpose built for >> sprinklers readily available, but many units being installed are still not >> listed for fire service as many jurisdictions don't consider the fire line >> a fire line until after the backflow, and a n on-listed device is cheaper >> than a listed one. Plus many go back to the seventies and many used weights >> instead of springs and complicated lever systems for joining the clappers >> and weights. Wish I could post a picture. >> >> >> On Tue, Jul 23, 2013 at 7:33 PM, Dwight Havens <[email protected] >>> wrote: >> >>> Give me a time frame. My best recollection is the mid '90's. >>> >>> Dwight >>> >>> >>> >>> >>> ________________________________ >>> From: Ron Greenman <[email protected]> >>> To: [email protected] >>> Sent: Tuesday, July 23, 2013 9:12 PM >>> Subject: Re: SIGN for Backflow Prevention Assembly Forward Flow Test >>> >>> >>> Were these the plumbing type before fire service listed devices existed. >>> >>> >>> On Tue, Jul 23, 2013 at 4:32 PM, Dwight Havens <[email protected] >>>> wrote: >>> >>>> Yes, yes, and yes. The original proposal was based on observed >> failures >>>> of BFPAs to operate properly during main drain testing. >>>> >>>> Glendale, AZ public library specifically comes to mind. >>>> >>>> Dwight >>>> >>>> >>>> >>>> >>>> ________________________________ >>>> From: Todd Williams <[email protected]> >>>> To: "[email protected]" < >>>> [email protected]> >>>> Sent: Monday, July 22, 2013 9:32 PM >>>> Subject: Re: SIGN for Backflow Prevention Assembly Forward Flow Test >>>> >>>> >>>> Has there ever been an instance of system failure due to the backflow >> not >>>> properly opening? How about detection of a BFP problem during a full >> flow >>>> test. How about something subsequent to the initial acceptance? >>>> >>>> Todd G Williams, PE >>>> Fire Protection Design/Consulting >>>> Stonington, CT >>>> 860-535-2080 >>>> www.fpdc.com >>>> >>>> _______________________________________________ >>>> Sprinklerforum mailing list >>>> [email protected] >>>> >>>> >>> >> http://lists.firesprinkler.org/listinfo.cgi/sprinklerforum-firesprinkler.org >>>> _______________________________________________ >>>> Sprinklerforum mailing list >>>> [email protected] >>>> >>>> >>> >> http://lists.firesprinkler.org/listinfo.cgi/sprinklerforum-firesprinkler.org >>>> >>> >>> >>> >>> -- >>> Ron Greenman >>> Instructor >>> Fire Protection Engineering Technology >>> Bates Technical College >>> 1101 So. Yakima Ave. >>> Tacoma, WA 98405 >>> >>> [email protected] >>> >>> http://www.bates.ctc.edu/fireprotection/ >>> >>> 253.680.7346 >>> 253.576.9700 (cell) >>> >>> Member: >>> ASEE, SFPE, ASCET, NFPA, AFSA, NFSA, AFAA, NIBS, WSAFM, WFC, WFSC >>> >>> They are happy men whose natures sort with their vocations. -Francis >> Bacon, >>> essayist, philosopher, and statesman (1561-1626) >>> _______________________________________________ >>> Sprinklerforum mailing list >>> [email protected] >>> >>> >> http://lists.firesprinkler.org/listinfo.cgi/sprinklerforum-firesprinkler.org >>> _______________________________________________ >>> Sprinklerforum mailing list >>> [email protected] >>> >>> >> http://lists.firesprinkler.org/listinfo.cgi/sprinklerforum-firesprinkler.org >>> >> >> >> >> -- >> Ron Greenman >> Instructor >> Fire Protection Engineering Technology >> Bates Technical College >> 1101 So. Yakima Ave. >> Tacoma, WA 98405 >> >> [email protected] >> >> http://www.bates.ctc.edu/fireprotection/ >> >> 253.680.7346 >> 253.576.9700 (cell) >> >> Member: >> ASEE, SFPE, ASCET, NFPA, AFSA, NFSA, AFAA, NIBS, WSAFM, WFC, WFSC >> >> They are happy men whose natures sort with their vocations. -Francis Bacon, >> essayist, philosopher, and statesman (1561-1626) >> _______________________________________________ >> Sprinklerforum mailing list >> [email protected] >> >> http://lists.firesprinkler.org/listinfo.cgi/sprinklerforum-firesprinkler.org >> _______________________________________________ >> Sprinklerforum mailing list >> [email protected] >> >> http://lists.firesprinkler.org/listinfo.cgi/sprinklerforum-firesprinkler.org >> > > > > -- > Ron Greenman > Instructor > Fire Protection Engineering Technology > Bates Technical College > 1101 So. Yakima Ave. > Tacoma, WA 98405 > > [email protected] > > http://www.bates.ctc.edu/fireprotection/ > > 253.680.7346 > 253.576.9700 (cell) > > Member: > ASEE, SFPE, ASCET, NFPA, AFSA, NFSA, AFAA, NIBS, WSAFM, WFC, WFSC > > They are happy men whose natures sort with their vocations. -Francis Bacon, > essayist, philosopher, and statesman (1561-1626) > _______________________________________________ > Sprinklerforum mailing list > [email protected] > http://lists.firesprinkler.org/listinfo.cgi/sprinklerforum-firesprinkler.org _______________________________________________ Sprinklerforum mailing list [email protected] http://lists.firesprinkler.org/listinfo.cgi/sprinklerforum-firesprinkler.org
