Edit of my previous response. I would imagine that 0.25 to 0.50 seconds, once daily would be adequate. Condensate is not draining so much as being expelled by 25-40 psig system air.
B. > On Dec 16, 2015, at 5:53 AM, Fairchild, Jack <[email protected]> wrote: > > I like it. Add some type of flow meter and do remote testing this way as > well? > > Jack Fairchild > > > -----Original Message----- > From: Sprinklerforum [mailto:[email protected]] > On Behalf Of Bruce Verhei > Sent: Wednesday, December 16, 2015 3:34 AM > To: [email protected] > Subject: Re: Drum Drip Valve Guard > > Why not drain the water as it collects, instead of when someone opens the > valve. > > NC solenoid driven valve. 24VDC. 1/8"? Drive off 24v auxiliary power circuit, > through NC relay contacts. > > Four wire cable pulled near, and past, all low point drains. > One wire pair is intelligent circuit, controlled by FACP. Other is the 24VDC > auxiliary power circuit, normally powered. Dropped at alarm. > > (Intelligent) relay control module connected to above four wire cable. > > Dry contacts on relay connected to solenoid. (If necessary add capacitive > sub-circuit to power initial current spike at solenoid operation.) > > Provide programming option > to direct all relay contact modules, and by inference, valves, in sequence. > > Five seconds each round? > Five rounds/day? > Skew towards warmest time of day in coldest month. > > Orifice, frequency, duration arrived at by experimentation and experience, or > stronger powered engineering minds than mine. > > Orifice screened. > > Manual valve provided on horizontal connection on T. Use for initial gross > draining of dry system. > > Blow water out it builds up, drip by drip. Never have enough to freeze and > break fittings. Correct the problem instead of our colleague in Myrtle Beach > ordering 60 x 1" valves each fall. Take the plant maintenance person out of > the process. > > Best > > Bruce > >> On Dec 14, 2015, at 2:28 PM, Brad Casterline <[email protected]> wrote: >> >> Cut the problem in half by using half the valves, and none of those >> fighting a losing battle by being closed? >>> On Dec 14, 2015 4:21 PM, "Charles Thurston" <[email protected]> wrote: >>> >>> Hello Brad, >>> >>> We have enough trouble in this area getting the maint. guy to drain >>> the ones with 2 valves they can reach and a hand tight plug in the >>> bottom. IF we get 3 days below freezing and then a thaw, we will run >>> 40-60 freeze break calls on the thaw day. >>> >>> That reminds me I need to place our annual order of 60- 1" valves. >>> >>> Monday, December 14, 2015, 3:43:29 PM, you wrote: >>> >>>> I still say we don't need two 1" globe valvles OR any 2" pipe to >>>> make a Drum Drip. >>>> How about a 1" globe at 7' AFF, then 6' of 1" down to a 1x1/2 red. >>>> with >>> a >>>> 1/2" fairly easily removed plug? >>>> In this way, most would-be tamperers would need a ladder and wrench, >>>> and honest workers could use the one valve and one plug to acomplish >>>> the same thing the picture of drum drips in 13 do. >>> >>>> Brad >>>> On Dec 14, 2015 10:40 AM, "Jay Stough" <[email protected]> wrote: >>> >>>>> AGF has a nice setup. We recently installed one of their heated >>>>> drum >>> drips >>>>> where the installing contractor put the drum drip outside. Go to: >>>>> http://www.testandrain.com/documents/products.html#collectandrain >>> >>>>> *Jay Stough* >>>>> NICET IV LAYOUT >>>>> NICET III ITM >>> >>>>> On Mon, Dec 14, 2015 at 10:37 AM, Gregory Lindholm >>>>> <[email protected]> >>>>> wrote: >>> >>>>>> Has anybody seen where I could get a guard that would keep people >>>>>> from tampering with drain valves I has seen something quite a few >>>>>> years >>> ago, >>>>> but >>>>>> cannot find out where now. >>>>>> It does not matter if it attaches to the piping, then a lock >>> installed on >>>>>> that, or some type of cage attached to a wall, then a door on that. >>>>>> >>>>>> Greg Lindholm >>>>>> _______________________________________________ >>>>>> Sprinklerforum mailing list >>>>>> [email protected] >>> http://lists.firesprinkler.org/listinfo.cgi/sprinklerforum-firesprink >>> ler.org >>>>> _______________________________________________ >>>>> Sprinklerforum mailing list >>>>> [email protected] >>> >>> http://lists.firesprinkler.org/listinfo.cgi/sprinklerforum-firesprink >>> ler.org >>> >>>> _______________________________________________ >>>> Sprinklerforum mailing list >>>> [email protected] >>> http://lists.firesprinkler.org/listinfo.cgi/sprinklerforum-firesprink >>> ler.org >>> >>> >>> >>> -- >>> Best regards, >>> Charles mailto:[email protected] >>> >>> _______________________________________________ >>> Sprinklerforum mailing list >>> [email protected] >>> >>> http://lists.firesprinkler.org/listinfo.cgi/sprinklerforum-firesprink >>> ler.org >> _______________________________________________ >> Sprinklerforum mailing list >> [email protected] >> http://lists.firesprinkler.org/listinfo.cgi/sprinklerforum-firesprinkl >> er.org > _______________________________________________ > 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 _______________________________________________ Sprinklerforum mailing list [email protected] http://lists.firesprinkler.org/listinfo.cgi/sprinklerforum-firesprinkler.org
