In article , Richard J Kinch
says...

CFM in compressors refers to the flow rate OF THE
INPUT AIR AT ATMOSPHERIC PRESSURE.

In your world it does. In general though,
cfm means what the dimensions imply: a
cubic foot of any material that passes by
a point in a minute. It could be water,
air, compressed gas, and it can be at any
pressure the user specifies.

The folks who inhabit this ng have a broad
knowledge base and will use *specific* terms
when suited. Otherwise a generic term like
'cfm' will be seen as an open-ended term.

Your insistance that cfm means delivery
of a specific gas at a specific pressure
makes about as much sense as saying that
a 'cupfull' ALWAYS means one cupfull of
flour in a baking recipe. Nobody is going
to agree with either of those approaches.

Besides, the original question that was posed
was about GAS REGULATORS. Not COMPRESSORS.

Jim

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