Rank: Forum user 
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I am looking for information on the installation of external fire extinguishers and the temperatures they can / or are known to be safe to use.
I am looking to mount external fire extinguishers, but before I request from commercial Dept., that I need first to place heat resistant fire cabinets, I was wondering would anyone have information on this matter on the forum.
We are looking to mount Co2 5kg / Powder 6 kg and we also have 20 kg Co2 on wheeled trolley.
The temperatures of the country I am currently working in can reach at maximum 47 degrees.
Is there a possibility that the fire extinguishers can explode at these temperatures.
Have there been any examples of this happening.
I think I remember some Australian airline had a fire extinguisher explode.
Any assistance would be greatly appreciated.
Thank you,
Paul
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Rank: Super forum user
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pressure can have as much to do with explosion as other areas so the Australian explosion may have been at height with lower pressure outside the containers than the pressure within it and its supprising just how much a simple shadow and ventilation can lower temp!
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Rank: Forum user
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Thank you Bob.
The installation of sun shades is a possibility. I am also investigating the use of sun reflective sleeves for the extinguishers.
We continue with researching this issue .
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Rank: Super forum user 
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"•5-Year Warranty
•Frost-free safety swivel horn fitted as standard
•BS EN3 approved, BAFE approved, CE Marked, BSi Kitemarked
•Fire rating 34B
•Supplied filled and ready for use and wall bracket included
•Height 490 mm
•Cylinder diameter 117 mm (Overall width 180 mm)
•Filled weight 4.91 kg
•Discharge time 8 seconds
•Operating temperature -20 to 60°C
"
10 seconds on google and I found the following specs for a co2 extinguisher.
I would suggest you contact your supplier (or manufacturer of the extinguisher) and ask for ranges, I would say that the biggest risk is for the extinguisher to fail quicker (e.g. caking of dry powder, seal deteriorating etc) and not for them to explode, they are after all designed to be in fires! (I assume they supplie other people in similar temp ranges?)
However this is based on my assumption the manufactures consider this and not fact :)
I have experience of extinguishers placed under a kiln, they were hot the touch but didn't explode - again not a scientific answer but some anecdotal evidence.
Good luck
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Rank: Super forum user
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the other thing to consider is the usefullness of such kit as in many cases its safer and more sensible to get out and call the fire service out than try to put out a fire with such kit
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