Replacement for BCF extinguishers?
Hi all: we’re replacing the bcf extinguishers in our business because of the legal need to get rid of halon-based units. I was wondering what would be the best combination of units to replace them with?
In the rest of the premises, we do have foam, powder, CO2 and water extinguishers, but none of these is suitable (on its own) for lab protection – water no use for liquids / electricals, foam no good for polar solvents or electricals; powder very messy and CO2 providing no post-fire security.
If anyone has any advice or experience that might help, I’d be really grateful! Many thanks for reading.
The National Fire Protection Association (NFPA) published this spring the latest draft of its document known as NFPA 2001, “Standard on Clean Agent Fire Extinguishing Systems”2, to deal with new halon replacement agents. Here are some of the listed agents:
FC-3-1-10
(chemical name: perfluorobutane (C4F10); trade name PFC-410 Clean Extinguishing Agent; contact Joan Leedy of 3M at 612/733-7937)
HFC-227ea
(chemical name: heptafluoropropane (CF3CHFCF3); trade name: FM-200; contact Doug Register of Great Lakes Chemical at 317/497-6382)
HBFC-22B1
(chemical name: bromodifluoromethane (CHF2Br); trade name: FM-100; contact Doug Register of Great Lakes Chemical at 317/497-6382)
R-595 Blend
(blend of hydrochlorofluorocarbons: HCFC-123 (4.75%), HCFC-22 (82%), HCFC-124 (3.75%), Isopropenyl-1-Methylcyclohexane (3.75%); trade name: NAF S-III; contact Elio Guglielmi of North American Fire Guardian at 604/684-7374)
IG-541
(mixture of inert gases: nitrogen (50%), argon (40%), carbon dioxide (10%)–also shown in 52:40:8 ratio; trade name: INERGEN; contact Jack Riley of Ansul Fire Protection at 715/732- 3608)
HFC-23
(chemical name: trifluoromethane (CHF3); trade name: FE-13; contact Dan Moore of Du Pont at 302/992-2177)
HFC-125
(chemical name: pentafluoroethane (CHF2CF3; trade name: FE-25; contact Dan Moore of DuPont at 302/992-2177)
HCFC-124
(chemical name; chlorotetrafluoroethane (CHClFCF3; trade name: FE-241; contact Dan Moore of DuPont at 302/992-2177)
Correct use of a Powder Fire Extinguisher
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First Alert Tundra Fire Extinguisher Aerosol Spray … |
