Like he ^ sez.
When you are talking about gaskets, do you mean the O-rings on the torch between the body and the replaceable welding tips and cutting attachment? My old Liquid Air torch uses o-rings which don't seem to mind the cold but seem to just "age" anyway, maybe more in the sunshine. I'm sure north american quality trumps asian quality here any time.
I have a hard fiber gasket between my acetylene bottle and the regulator (with some brands of bottle) and it seems to be tough as heck.
So, no, I don't think you need to baby your torch set. I'd be more concerned about keeping the hoses from any chance of getting sunlight on them as the UV is hard on rubber.
Jon.
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