The Effect of Halon 1301 Fire Extinguishing Agent on the Response of Combustible Gas Indicators

A combustible gas indicator (CGI) was tested in combustible vapor-air mixtures with and without the presence of halon 1301 vapors. CGI response to hydrocarbon vapors was reduced on the average of about 30% in the presence of halon 1301 vapors at fire extinguishment concentrations for hydrocarbon typ...

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Bibliographic Details
Main Author: Affens,W A
Format: Report
Language:English
Subjects:
CGI(Combustible Gas Indicators)
Combustible Gas Indicators
DEGRADATION
FILAMENTS
Fire detectors
FIRE EXTINGUISHING AGENTS
FIRE HAZARDS
Flammability
GAS DETECTORS
HALOGENATED HYDROCARBONS
Halon 1301 Fire Extinguishing agent
Halon vapors
INDICATORS
LPN-NRL-C05-19401
Marine Engineering
Safety Engineering
SENSITIVITY
SHIPBOARD
Test Facilities, Equipment and Methods
WARNING SYSTEMS
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Summary:A combustible gas indicator (CGI) was tested in combustible vapor-air mixtures with and without the presence of halon 1301 vapors. CGI response to hydrocarbon vapors was reduced on the average of about 30% in the presence of halon 1301 vapors at fire extinguishment concentrations for hydrocarbon type fires (3.7%) and about 45% at inerting concentrations (7.4%). Some filament deterioration was noted in filaments which were exposed to halon vapors. Sensitivity loss for these filaments averaged about 9%. (Author)