My 2 outputs co2 regulator - The Planted Tank Forum

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post #1 of 39 (permalink) Old 04-03-2014, 06:48 AM Thread Starter
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My 2 outputs co2 regulator

Since i will be adding another 10 gallons in my garage, I went and ahead and add a second metering valve to my co2 regulator. It doesn't look big at all. The right 90 degree elbow does not look like 90 degree. Either that or it's my eyes.
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post #2 of 39 (permalink) Old 04-03-2014, 07:55 AM
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I found a dollar on the ground... can you make me one?

j/k


I like the looks of it. I'm a co2 newb. I hope to have a setup like that someday.
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post #3 of 39 (permalink) Old 04-03-2014, 09:39 AM
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Nice! I plan to do one of those soon. What metering valve is that?

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post #4 of 39 (permalink) Old 04-03-2014, 04:02 PM
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Those are Brooks metering valves. Not sure on the model number.
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post #5 of 39 (permalink) Old 04-03-2014, 04:17 PM
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For those two or more output regulator. When you adjust one, does it effect the output of others? Slightly or not at all?
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post #6 of 39 (permalink) Old 04-03-2014, 04:22 PM
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Quote:
Originally Posted by flowerfishs View Post
For those two or more output regulator. When you adjust one, does it effect the output of others? Slightly or not at all?
I made one like that and never saw any interference between 1 line or the other.... both work indepently
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post #7 of 39 (permalink) Old 04-03-2014, 04:40 PM
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Quote:
Originally Posted by flowerfishs View Post
For those two or more output regulator. When you adjust one, does it effect the output of others? Slightly or not at all?
Not really. Maybe with more than 5 cheap needle valves. I don't see much change if any at all, with two Parker HR3 and 25 - 30 psi working pressure.

Those Brooks are supposedly better and more precise than then Parkers, good job Alan, one of the best all around build.



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post #8 of 39 (permalink) Old 04-03-2014, 06:15 PM
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shiny!
wish I have two fish tank close together so I can build a double output unit too, lol.

Parker HR (0-6 series) and Brooks (1-3 series), in these non rising stem design, extreme high precision metering valves, who is more precise is not that we can judge...
they all take some turns to get the wanted bubble...
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post #9 of 39 (permalink) Old 04-03-2014, 06:31 PM
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I have brooks big brother, but find out that's a broken valve, I can't control the the bubble with it. I guess it's too old from 1977.

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post #10 of 39 (permalink) Old 04-03-2014, 08:27 PM
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Quote:
Originally Posted by flowerfishs View Post
I have brooks big brother, but find out that's a broken valve, I can't control the the bubble with it. I guess it's too old from 1977.

How did you test it?
Put it on a complete system, and make sure there is no LEAK, you will see different result.
Not sure what series is yours, but more than likely it is the same as Alan's which have the digital handle.
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post #11 of 39 (permalink) Old 04-03-2014, 08:42 PM Thread Starter
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Quote:
Originally Posted by flowerfishs View Post
I have brooks big brother, but find out that's a broken valve, I can't control the the bubble with it. I guess it's too old from 1977.

Dang this valve is older than me. I have another Hooks metering vakve and will be installing it to the SGT500 system.

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post #12 of 39 (permalink) Old 04-03-2014, 08:48 PM
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My first build. Also a SGT500. I don't know anhything about it when I bought it. LOL Find it out after I see the SGT v.s HPT compareison.
This valve is a lot older than me too.
here is how I test it. simple build. enough for me to test out all the parts.

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post #13 of 39 (permalink) Old 04-03-2014, 08:57 PM
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Alan, both of the Brooks on your system were made around the same time as flowerfishes'.
The one with "B 1" on top, took out from a plasma ethching machine, the other one was new in the package but has been in the package since 80s...
Old, but extremely high precision for sure.
BTW, the nupro 22 series that you showed the small needle stem(small orifice) in anothet thread, was from the 60s..
It is the Mass flow controller(thousands a piece) dominate the tech equipment market nowaday, high precision anolog flow valves are not popular(but very good for our application)
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post #14 of 39 (permalink) Old 04-03-2014, 08:59 PM
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Quote:
Originally Posted by flowerfishs View Post
My first build. Also a SGT500. I don't know anhything about it when I bought it. LOL Find it out after I see the SGT v.s HPT compareison.
This valve is a lot older than me too.
here is how I test it. simple build. enough for me to test out all the parts.

That doesn't look a sgt-500 to me. I'm also not aware that Harris buys regulators from victor and re-brands them.
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post #15 of 39 (permalink) Old 04-03-2014, 09:08 PM
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Quote:
Originally Posted by flowerfishs View Post
My first build. Also a SGT500. I don't know anhything about it when I bought it. LOL Find it out after I see the SGT v.s HPT compareison.
This valve is a lot older than me too.
here is how I test it. simple build. enough for me to test out all the parts.

The reg is Harris HP722, share the same chasis as one of the HPT/SGT model, to be exact, you can call it a HPT500.
The Harris HP742, is stainless steel, same as SGT

With that many major brands sharing the same chasis/design of the typical victor HPT500, I seriously doubt any of these regulators were made in the USA.
Probably JAPAN...

Last edited by Bettatail; 04-03-2014 at 09:19 PM. Reason: add
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