RE: [AGA-Member] CO2 regulator question

["Troy Hendrickson" <t_hendrickson@qwest.net>]

Hi again,

better yet, email me a pic of the setup so we know exactly what we're
dealing with as reading again leads me to believe you may not have an
adjustable regulator.

Troy

-----Original Message-----
From: aga-member-bounces@thekrib.com
[mailto:aga-member-bounces@thekrib.com]On Behalf Of Heather J Gladney
Sent: Saturday, September 04, 2004 9:29 PM
To: Aquatic Gardener's Association
Subject: [AGA-Member] CO2 regulator question


Dear pressurized CO2 system folks:
Just got a 10 lb tank from the welding shop, from LFS got a Milwaukee pH
meter, a cheap Chinese regulator combo (dual regulator, needle valve &
solenoid) with no instructions in the box, and now I'm trying to work
out how the adjust the regulator so it doesn't blow out my needle valve.
The system is all connected and working all right (I checked with Snoop
leak detector to be sure all the connections were all right).
But when the pH meter kicks on, it blows out a lot of gas all at once.
No trickling bubbles here!  (Certainly not 6 little tiny bubbles per
minute).  I had assumed the regulator would be adjust about right, since
it's hooked up in this combination, to start with.
I'm not finding any info on the net about this Chinese item, either,
though I might be able to get a friend to read the characters to pick up
the name of the company that made it.
I've turned the needle valve way down, but I'm a little concerned that
the regulator should be doing the work that the needle valve is forced
to control.  And I don't know how to adjust the regulator safely!
There's a nut on the top, but I've no idea which way to tweak it, or how
far.  I could turn off the pH meter and shut down the main tank valve
and then adjust it with a pipe wrench, but I' like to check wit h you
folks first.
Current dial readings:
tank has 75 psi or 1000 kg/cm2
out put to the needle valve is 6.5 liter/min
I'm tempted to take it back (it'd be a hassle).
Thanks for your time!

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