Not sure I understand the purpose of the valve after the regulator.
Aren't you going to regulate the output by adjusting the regulator?
Dan

On Jul 23, 7:01*pm, Steve Potter > wrote:
...
>
> I think you mean PSI, not CFM. *As regulators change pressure, not
> volume.
>
> Also, if it was me, I would put a valve just after the regulator with
> a barbed hose end and use the same tube you use for siphoning your
> wine.
>
> Steve