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Re: [APD] Re: empty CO2 cylinder -- tests, acid, and valves
There will be a small hole on the side of the regulator
which will have a small doohickey threaded into it. The
doohickey, which might or might not look something like a
nut (as in nut and bolt) will have a small hole in it too
but no gas will be escaping. You will see this on the M3
regulator -- facing the knob, it's on the left side at
about the 8 o'clock position.
I think you can consider roughly 10 psi as low and 20 or
higher as relatively high. It's not written in stone;
there's no official standard. It's like a rule of thumb.
--- Shireen Gonzaga <whimbrel at comcast_net> wrote:
> Robert H said:
> > Since I started using a regulator with a fixed, low,
> working pressure
> > I have not had any problems at all. Of course it also
> has a needle
> > So whatever the reason, it works and I will not ever
> go back to using
> > run of the mill high pressure regulators, even if just
> putting a
> > valve on it will solve the problem.
> Robert, what are the regulator settings that define a
> high vs. low
> pressure system?
> Scott H said:
> > both the cheap and the more expensive ones have
> > an integral blow off valve in case the "low side"
> > gets too high.
> Scott, how can I tell if my regulator has a blow off
> valve? (It's
> an M3).
> Shireen Gonzaga
> Baltimore, MD
> Aquatic-Plants mailing list
> Aquatic-Plants at actwin_com
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