How To: Dual Gauge Regulator - The Planted Tank Forum

 
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post #1 of 9 (permalink) Old 12-01-2012, 06:44 PM Thread Starter
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How To: Dual Gauge Regulator

I recently purchased an Aquatek Premium Regulator(adjustable working pressure) for a paintball 20oz setup and I was looking for a little assistance on adjusting the working pressure.

Initially the working pressure was at about 20 PSI, and I increased the working pressure and it jumped to 40 PSI. I then backed off the working pressure adjustable knob but it didn't seem to adjust lower.

I then started to adjust needle valve etc and trying different combinations.

Right now the working pressure is at ~65 PSI, I increased the pressure but again backed off it.

I dont feel like the system is running at 65 PSI just based on how much I have it flowing. Will this go down over some time and how should i best adjust the Regulator? If i started with the working pressure and needle valve in the off position, what is the recommended method to adjust it?

Thanks in advance
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post #2 of 9 (permalink) Old 12-01-2012, 07:42 PM
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It will take a bit of time for the pressure to drop from the 40 PSI (or 65 PSI now) back whatever the set value is (after you backed it off).

Just let the CO2 flow for a little while, and you should see it decrease.

I would just let your regulator off gas first (with the CO2 main cylinder closed). This will reset everything back to zero (make sure that the regulator knob is still dialed in (clockwise) so that any gas remaining in the regulator can be released. Of course, you could just unscrew the regulator from the CO2 cylinder as well...)

In any case, once that is done, just make sure your CO2 knob is completely backed off (counter clockwise) and your needle valve is open.

Open the CO2 main cylinder valve. The high pressure gauge should read the CO2 cylinder pressure.

Slowly turn the regulator knob clockwise until you reach the desired delivery pressure, and then adjust the flow further with the needle valve.

That's all there is to it.

Anthony

A Primer to Pressurized CO2 and A Primer to Planted Tanks
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post #3 of 9 (permalink) Old 12-01-2012, 08:17 PM Thread Starter
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Quote:
Originally Posted by Darkblade48 View Post
Just let the CO2 flow for a little while, and you should see it decrease.

I would just let your regulator off gas first (with the CO2 main cylinder closed). This will reset everything back to zero (make sure that the regulator knob is still dialed in (clockwise) so that any gas remaining in the regulator can be released. Of course, you could just unscrew the regulator from the CO2 cylinder as well...)
Thanks for the reply Darkblade48. Im a little confused here on your suggestion to let it off gas by closing the main cylinder(the regulator knob counter-clockwise), but also keep the regulator knob dialed in(clockwise) for the remaining gas will be released?

I must be interpreting this wrong
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post #4 of 9 (permalink) Old 12-01-2012, 08:19 PM
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The cylinder is the tank filled with CO2. The knob on the top of that thing is what you'd turn off first.
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post #5 of 9 (permalink) Old 12-01-2012, 08:49 PM Thread Starter
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I ended up unscrewing the regulator from the tank and it zero'd it out. I then re-initialized the c02 setup with the above directions and its working well. ~30 PSI w/ and about 1bps
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post #6 of 9 (permalink) Old 12-01-2012, 09:32 PM
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Quote:
Originally Posted by sealmode View Post
Thanks for the reply Darkblade48. Im a little confused here on your suggestion to let it off gas by closing the main cylinder(the regulator knob counter-clockwise), but also keep the regulator knob dialed in(clockwise) for the remaining gas will be released?

I must be interpreting this wrong
Quote:
Originally Posted by kevmo911 View Post
The cylinder is the tank filled with CO2. The knob on the top of that thing is what you'd turn off first.
As kevmo911 mentioned, the main cylinder knob refers to the CO2 cylinder knob, not the regulator knob.

Quote:
Originally Posted by sealmode View Post
I ended up unscrewing the regulator from the tank and it zero'd it out. I then re-initialized the c02 setup with the above directions and its working well. ~30 PSI w/ and about 1bps
I am glad it worked out for you in the end.

Anthony

A Primer to Pressurized CO2 and A Primer to Planted Tanks
Eheim Pimp #362 - Eheim 2213 x2, Eheim 2028, Eheim 2217, Eheim surface skimmer and Eheim autofeeder.
Victor Pimp #33 - HPT272-125-350-4M
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post #7 of 9 (permalink) Old 12-01-2012, 09:51 PM Thread Starter
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Quote:
Originally Posted by kevmo911 View Post
The cylinder is the tank filled with CO2. The knob on the top of that thing is what you'd turn off first.
Is there a cylinder knob on a paintball 20oz tank?
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post #8 of 9 (permalink) Old 12-01-2012, 10:33 PM
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Quote:
Originally Posted by sealmode View Post
Is there a cylinder knob on a paintball 20oz tank?
Ah, I was not aware you were using a paintball CO2 cylinder.

Most paintball cylinders just have a pin that is depressed to release the gas. If you disconnect the regulator from the paintball cylinder, the gas will not escape due to this pin.

In any case, removing the regulator from the paintball cylinder and then allowing it to release the gas that is in the regulator is the fastest way to reset everything.

Anthony

A Primer to Pressurized CO2 and A Primer to Planted Tanks
Eheim Pimp #362 - Eheim 2213 x2, Eheim 2028, Eheim 2217, Eheim surface skimmer and Eheim autofeeder.
Victor Pimp #33 - HPT272-125-350-4M
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post #9 of 9 (permalink) Old 12-03-2012, 04:18 PM Thread Starter
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Perfect, thanks all is working well now!
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