| Re: AR-AFFF [message #306124 is a reply to message #306109] |
Mon, 29 August 2016 13:48  |
Ken Burton
Messages: 10030
Registered: January 2004
Location: Hebron, Indiana
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That part I have not investigated in several years, so I have no specific brand and model recommendations. The ones we bought from Kidde were dropped from the product line years ago. They do make larger ones. If you have one you can still use it or have it recharged. They met the D.O.T. 2-Q standards which has to do with bursting strength. These Kidde ones are charged to 195 PSI. Any of the name brands (Ansul, Amerex, Kidde, etc.) should work well.
Jim K. and Jim Bounds both sell several RV type extinguishers for engine, onan, and refrigerator areas under Jim B's brand name of Firefight or Firefight Marine. I "think" that their product line is AFFF, but not AR-AFFF, and are not freeze protected. They also have a small automatic deployment halon one that would be good in the refrigerator area only. I normally would not recommend halon in a GMC, but in the refrigerator area a halon or halon substitute automatic deployment one would be a good fit.
You will have to check with them to see what they are charged with for sure as I have no personal experience with them. At least you know what questions to ask them or any other vendor. I feel that AR-AFFF and "Freeze Protected" for permanently mounted ones are are important to me. I have seen the difference between AR-AFFF and AFFF on E-10 fires when they were doing fire training at my local airport.
I have some concentrate Ansulite AR-AFFF 6% here but not the freeze protected stuff. When I need one charged I supply the mix and a friend at the local FD will charge it for me to 195 PSI. I do not have the equipment necessary to do it.
Different extinguishers use different propellants and pressures. The Kidde ones we bought are compressed air or nitrogen to 195 PSI.
I'm sorry I'm not much help but as least you now know the questions to ask. Many vendors are very tight lipped about what they are selling and most of the general public will not ask the appropriate questions or understand the labels on what they are buying.
Ken Burton - N9KB
76 Palm Beach
Hebron, Indiana
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