Just make sure the premix meets your minimum temperature requirement. Verify the temperature that the premix will start forming crystals, not the burst temperature. We have been surprised what the premix solutions are actually mixed at. Do not assume 50%.
John John August Denhardt, P.E. Strickland Fire Protection Incorporated 5113 Berwyn Road College Park, Maryland 20740 Office Telephone Number: 301-474-1136 Mobile Telephone Number: 301-343-1457 FIRE SPRINKLERS SAVE LIVES -----Original Message----- From: sprinklerforum-boun...@firesprinkler.org [mailto:sprinklerforum-boun...@firesprinkler.org] On Behalf Of Roland Huggins Sent: Monday, April 26, 2010 11:16 AM To: sprinklerforum@firesprinkler.org Subject: Re: Dry pendent heads for antifreeze system the manufacturers of antifreeze tell us that PREMIXED solutions do not separate. Roland On Apr 24, 2010, at 10:05 AM, Craig Leadbetter wrote: > Is there any specific requirement in the Code for the use of dry > pendent heads in an antifreeze system? > > If a regular head with a drop is used would the antifreeze in the > drop degrade over time? > > _______________________________________________ > Sprinklerforum mailing list > Sprinklerforum@firesprinkler.org > http://fireball.firesprinkler.org/mailman/listinfo/sprinklerforum > > For Technical Assistance, send an email to: supp...@firesprinkler.org > > To Unsubscribe, send an email to:sprinklerforum-requ...@firesprinkler.org > (Put the word unsubscribe in the subject field) > _______________________________________________ Sprinklerforum mailing list Sprinklerforum@firesprinkler.org http://fireball.firesprinkler.org/mailman/listinfo/sprinklerforum For Technical Assistance, send an email to: supp...@firesprinkler.org To Unsubscribe, send an email to:sprinklerforum-requ...@firesprinkler.org (Put the word unsubscribe in the subject field) _______________________________________________ Sprinklerforum mailing list Sprinklerforum@firesprinkler.org http://fireball.firesprinkler.org/mailman/listinfo/sprinklerforum For Technical Assistance, send an email to: supp...@firesprinkler.org To Unsubscribe, send an email to:sprinklerforum-requ...@firesprinkler.org (Put the word unsubscribe in the subject field)
