Re: DIY Problems
On Fri, 26 Jan 1996 03:39:02 -0500 you wrote:
>It simply seems to me that the pressure and flow are highly correlated. The
>package that the FROG came with states it is preset at 22SCFH. Hence, the
>regulator will try to keep the flow constant. Even if my needle valve
>causes back pressure, it would build up and increase the bubble rate from
>what it was previously set at.
>Tyson, if you doubt what I say, try tank+FROG+gauge+needle-valve in that order
>and close the needle valve. The gauge will rise to 800PSI or so. CFM is not
>pressure, it is flow. The FROG is a Flow Regulator, not a pressure regulator.
>Flow and pressure are highly correlated, stop the flow and the pressure will go
>through the roof. Don't injure yourself, use proper equipment.
>Dave Gomberg, Experimenta San Francisco CA USA gomberg at wcf_com
In no way, do I doubt your claim. I understand that it is a _flow_ regulator and
not a pressure regulator. I used some compression fittings for the tubing connection
to the needle valve and it seems to be very reliable thus far. If I could afford a
regulator at them moment, I would get one. However, I cannot. For the time being
the setup I have will have to do. I will heed your warning and I thank you for the