My compresser is a large "portable" connected to my air
lines via large-diameter hose,
I've been wondering about this, too. My compressor is a 25 gallon
Craftsman, and all the fittings from the tank through the regulator to
the outlet are 3/8 at the most. Does it make sense to make all the
other fittings larger than this? I can understand wanting to
make the pipes big to extend the capacity of the tank - but how
much bigger should the fittings be? (I'm guessing that bigger
is better just from the aspect of reducing flow restriction, but
how much?)
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