Automatic Heptafluoropropane Fire Extinguishing System
IntroductionAsoneofmostsuccessfulcleanfireextinguishingagentscurrently,heptafluoropropane(codeHFC-227ea)iscolorless,odorless,non-conducting,andfreefromsecondarypollution,haszeroozonedepletionpotential(ODP),andconformstotherequirementsofMontrealConvention.HFC-227easystemistheoptimalsubstituteforhalonextinguishingsystemsinourcountry,andischaracterizedinhighextinguishingspeed,strongextinguishingcapability,lowextinguishingconcentration,non-conductingandlowtoxicity.Asthereisnotoxicreactionatthemaximumconcentration(NOAEL)of9%(V/V),itisespeciallysuitableforplaceswherepeoplework.