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Re: Fire extinguishers as air tanks.
Posted: Thu May 10, 2007 3:55 pm
by M1S3RY
Can you readily get a fitting that screws directly into the neck of a extinguisher, or do you need to get 2 seperate fittings, one to replace the pressure guage (Inlet) and one to replace the nozzle (Outlet)? And then secure the handle down.
Thanks for any info.
Posted: Thu May 10, 2007 4:31 pm
by Gwagensteve
According to fitting people, fire extinguishers use "unique" fittings. Certainly the 9kg water extinguisher I have at home uses an unusual fitting.
My one has its valve built in to the main fitting so you can't just screw barbs onto the gauge/nozzle and call it good, unless you wire the valve open which all sounds a bit hack to me.
Steve.
Posted: Thu May 10, 2007 10:27 pm
by Loanrangie
I went to Enzed and the guy recommended a small fire ex as a tank and said they have fittings to suit. I have one thats out of date so i will give it a go.
Posted: Thu May 10, 2007 10:51 pm
by bogged
its been done before, but why not go to a truck wrecker and get a tank with pressure relief valve fitted for about $20-50
Posted: Thu May 10, 2007 11:27 pm
by M1S3RY
bogged wrote:its been done before, but why not go to a truck wrecker and get a tank with pressure relief valve fitted for about $20-50
While this is prolly the best option for acquiring a tank, i have access to a 4.5kg fire extinguisher for free and wanted to try it for myself.
Posted: Thu May 10, 2007 11:47 pm
by Dozoor
Ive never used one as an air tank , But we used to get the stainless ones
and remove the gauge and replace with a tube and tire valve ,
Unscrew the top fill with water ,replace and pump it up a bit with your car compressor and you have a bit of a presure cleaner .
We used them a bog hole events to clean the brakes ect before heading home .
Posted: Fri May 11, 2007 8:09 am
by rvh96
Yes they do have unique fitttings i welded a BSP sleeve in the top of my 9kg tank to scew the inlet fitting in
Posted: Fri May 11, 2007 8:24 am
by Skegbudley
You can get a 18l air tank from Bunnings for $39. I replaced the hose that comes with it with a nito fitting. Works great.