They sell smoke bombs at HVAC supply houses, for use in testing duct detectors.
Forest Wilson Cherokee Fire -----Original Message----- From: [email protected] [mailto:[email protected]] On Behalf Of Ron Greenman Sent: Friday, July 16, 2010 3:37 PM To: [email protected] Subject: Re: Finding leaks in a dry pipe system Cold smoke like soldiers use for signaling. Pop a unit in the DPV, close it up, and then pressure it. On Fri, Jul 16, 2010 at 11:28 AM, David Bitton <[email protected]> wrote: > Thank you everyone for your replies. We are still trying to find a way to > locate the leaks without tripping the system and/or putting the freezer out > of service. (The aroma therapy sure is tempting...) If that turns out not > to be possible, we will explore the other methods. > > -----Original Message----- > From: [email protected] > [mailto:[email protected]] On Behalf Of Ben Young > Sent: Friday, July 16, 2010 2:00 PM > To: [email protected] > Subject: Re: Finding leaks in a dry pipe system > > Frank Herrick gave a good way to find dry system leaks back in March, > actually. > > http://www.mail-archive.com/[email protected]/msg19989.html > > > Benjamin Young > > > > On Fri, Jul 16, 2010 at 1:26 PM, David Bitton > <[email protected]>wrote: > >> Yes, with the normal operating temperature at -4oF. With regards to the >> ultrasonic leak detectors, those that I have seen are limited to operating >> temperatures above freezing. >> >> -----Original Message----- >> From: [email protected] [mailto: >> [email protected]] On Behalf Of >> [email protected] >> Sent: Friday, July 16, 2010 1:11 PM >> To: [email protected] >> Subject: Re: Finding leaks in a dry pipe system >> >> Is the freezer in service? >> >> LV >> >> >> ---- tom poisal <[email protected]> wrote: >> > Buckets of soapy water and soft bush with plenty of helpers to go over >> > every fitting, joint and weld. >> > >> > On Fri, Jul 16, 2010 at 12:18 PM, Matt Grise <[email protected]> wrote: >> > >> > > There are leak detectors available that can detect the sound of air >> leaking >> > > from pipes. They can often do better than ears. >> > > >> > > Matt Grisé PE*, LEED AP >> > > Sales Engineer >> > > Alliance Fire Protection >> > > *Licensed in KS & MO >> > > >> > > 913.888.0647 ph >> > > 913.888.0618 f >> > > 913.927.0222 cell >> > > www. AFPsprink.com >> > > >> > > -----Original Message----- >> > > From: [email protected] [mailto: >> > > [email protected]] On Behalf Of David Bitton >> > > Sent: Friday, July 16, 2010 11:12 AM >> > > To: [email protected] >> > > Subject: Finding leaks in a dry pipe system >> > > >> > > Hello, >> > > >> > > >> > > >> > > I have a large cold storage freezer facility that is protected by >> several >> > > dry pipe systems. The systems are currently shut off due to several >> leaks. >> > > A contractor used compressed air to pressurize the piping and find >> leaks, >> > > which he has repaired (mostly coming from the grooved connections). >> > > However, there are additional leaks which has not been able to find. >> Is >> > > anyone aware of other methods of finding the leaks (other than >> compressed >> > > air)? >> > > >> > > >> > > >> > > Thanks, >> > > >> > > >> > > >> > > David Bitton, ing. >> > > >> > > Quest Loss Control Services Inc. >> > > >> > > Les services de prévention des sinistres Quest inc. >> > > >> > > 5100, rue de la Savane, bureau 200 >> > > >> > > Montréal, QC H4P 1T8 >> > > >> > > (514) 341-4545 >> > > >> > > www.questlosscontrol.com >> > > >> > > >> > > >> > > _______________________________________________ >> > > 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]<to%3asprinklerforum-requ...@fire > sprinkler.org> >> > <to%[email protected]<to%253ASprinklerforum-request > @firesprinkler.org> >> > >> > > (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]<to%3asprinklerforum-requ...@fire > sprinkler.org> >> > <to%[email protected]<to%253ASprinklerforum-request > @firesprinkler.org> >> > >> > > (Put the word unsubscribe in the subject field) >> > > >> > >> > >> > >> > -- >> > Tom Poisal, 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]<to%3asprinklerforum-requ...@fire > sprinkler.org> >> > (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]<to%3asprinklerforum-requ...@fire > sprinkler.org> >> (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]<to%3asprinklerforum-requ...@fire > sprinkler.org> >> (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) > -- Ron Greenman Instructor Fire Protection Engineering Bates Technical College Tacoma, WA Member: AFT WA 4184/AFL-CIO, SFPE, ASCET, NFPA, AFSA, NFSA AFAA, NIBS, WSAFM, WFC _______________________________________________ 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)
