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Richard J Kinch
 
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Default Freon bottle air tank?

Jeff Wisnia writes:

I just sprang a whole buck at a flea market for a brand new "converter"
intended to let you use a "disposable" 30 lb freon tank as a portable
air tank. The gadget's got a schrader valve filling inlet, a dial
pressure gage, some kind of blowoff valve, a shutoff valve, and a few
feet of hose with a tire valve chuck on its end.


Refrigerant tanks only "exhale", they have a mechanism inside (check
valve?) to prevent exactly this sort of unsafe adaptation. Just how does
the kit defeat that?

There are refrigerant recovery tanks meant to both inhale and exhale. They
are considerably heavier construction than the disposable supply tanks.