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sprinklers dopés

English translation: Can't imagine anything else

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12:04 Dec 10, 2004
French to English translations [PRO]
Tech/Engineering - Construction / Civil Engineering / fire prevention
French term or phrase: sprinklers dopés
This is in a safety questionnaire under the heading of "sprinkler installations". The respondent just ticks a box: Yes or No.
However, I've found some official French site where "sprinklers dopés à 3%" is referred to.
Could this be a 3% foam concentration in the sprinkler water?
David Goward
France
Local time: 04:09
English translation:Can't imagine anything else
Explanation:
Three foam concentrates used to control or suppress flammable or combustible liquids fires are: Aqueous Film Forming Foam (AFFF), Film Forming Fluoroprotein (FFFP), and Alcohol-Resistant Foam Concentrates (ARC). AFFF concentrates are based on fluorinated surfactants plus foam stabilizers and usually are diluted with water to a 1%, 3% or 6% solution. The foam acts as a barrier both to exclude air or oxygen and to develop an aqueous film on the fuel surface that can suppress the evolution of fuel vapors on most hydrocarbon fuels. FFFP concentrates use fluorinated surfactants to produce a fluid aqueous film for suppressing hydrocarbon fuel vapors. This type of foam uses a protein base plus stabilizing additives and inhibitors to protect against freezing, corrosion, and bacterial decomposition. This foam is usually diluted with water to a 3% or 6% solution. ARC concentrates are used on water-soluble fuels (e.g., polar solvents) that are destructive to regular AFFF, or FFFP foams, as well as for fires involving some hydrocarbons. ARC foam concentrates are generally used in concentrations of 3% to 10%, depending on the nature of the hazard to be protected and the type of concentrate.
[http://www.verlan.com/Newsletter/May_1999.htm]
Selected response from:

xxxBourth
Local time: 04:09
Grading comment
Thanks for the back-up reference.
4 KudoZ points were awarded for this answer

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Summary of answers provided
4 +1Can't imagine anything elsexxxBourth


  

Answers


1 hr   confidence: Answerer confidence 4/5Answerer confidence 4/5 peer agreement (net): +1
sprinklers dopés
Can't imagine anything else


Explanation:
Three foam concentrates used to control or suppress flammable or combustible liquids fires are: Aqueous Film Forming Foam (AFFF), Film Forming Fluoroprotein (FFFP), and Alcohol-Resistant Foam Concentrates (ARC). AFFF concentrates are based on fluorinated surfactants plus foam stabilizers and usually are diluted with water to a 1%, 3% or 6% solution. The foam acts as a barrier both to exclude air or oxygen and to develop an aqueous film on the fuel surface that can suppress the evolution of fuel vapors on most hydrocarbon fuels. FFFP concentrates use fluorinated surfactants to produce a fluid aqueous film for suppressing hydrocarbon fuel vapors. This type of foam uses a protein base plus stabilizing additives and inhibitors to protect against freezing, corrosion, and bacterial decomposition. This foam is usually diluted with water to a 3% or 6% solution. ARC concentrates are used on water-soluble fuels (e.g., polar solvents) that are destructive to regular AFFF, or FFFP foams, as well as for fires involving some hydrocarbons. ARC foam concentrates are generally used in concentrations of 3% to 10%, depending on the nature of the hazard to be protected and the type of concentrate.
[http://www.verlan.com/Newsletter/May_1999.htm]

xxxBourth
Local time: 04:09
Specializes in field
Native speaker of: Native in EnglishEnglish
PRO pts in category: 4135
Grading comment
Thanks for the back-up reference.

Peer comments on this answer (and responses from the answerer)
agree  Orla Ryan
12 mins
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