Most manufacturers make "freeze protected" concentrate. It just cost more. Mark at Aero
-----Original Message----- From: [email protected] [mailto:[email protected]]on Behalf Of Scott A. Futrell Sent: Thursday, July 02, 2009 1:46 PM To: [email protected] Subject: RE: NFPA 30 - and Propylene Glycol Mark, The very first step is to contact the foam manufacturer and see if it is listed with anti freeze. I'm guessing not. Scott Futrell (763) 425-1001 Office (612) 759-5556 Cell -----Original Message----- From: [email protected] [mailto:[email protected]] On Behalf Of Mark Sornsin Sent: Thursday, July 02, 2009 3:11 PM To: '[email protected]' Subject: NFPA 30 - and Propylene Glycol Forum: I have a client who wants to store flammable liquids in a cold-storage warehouse. They would like to use an AFFF sprinkler system with propylene glycol to prevent freezing. I am not a fan of this idea and won't support it for a number of reasons. Do any of you have any views you'd like to share on this matter? Mark A. Sornsin, PE Fire Protection Engineer Ulteig Engineers, Inc. Fargo, ND Direct: 701. 280.8591 [email protected] _______________________________________________ Sprinklerforum mailing list http://lists.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 http://lists.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 http://lists.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)
