PSI CO2 in full tank?

[djmatthewblack]

I just hooked up a new C02 tank and it only had around 70 PSI in the tank. I got it from AOC. Is this normal or there should be more pressure in the tank, right?

[ssrprelude]

I just got my bottle filled two days ago, left gauge reads 30 psi and the right reads 1100 psi.

[eklikewhoa]

If I'm not mistaken...

at room temp. the high side should read about 800-1000psi and the low side gauge is controlled through the regulator. The best way to determine how filled the tank is through the weight.

[danielp]

http://automatedaquarium.com

This should give you the operating instructions and diagram of what each part of the regulator does. The pressure on your tank is dependant on a couple of factors. 1) The size of your tank. 2) The amount of fill your supplier put in your tank.

[danielp]

Automated Aquarium Systems™ Presents...

Operating the

"MA957 CO2 Regulator"




Operating Instructions for the Milwaukee MA957


CYLINDER CARE:

Secure cylinders so that they will not tip or fall.

Inspect the cylinder valves for damaged threads, dirt, oil, or grease. Remove dust and dirt with a clean cloth.
DO NOT ATTACH THE REGULATOR IF OIL OR GREASE IS PRESENT.
Oil and grease in the presence of oxygen is EXPLOSIVE!

Crack open the cylinder valve for an instant to blow out any foreign matter in the throat of the cylinder.

Use Teflon tape on the threads of the cylinder before attaching the regulator. Failure to do this can result in the loss of gas!

REGULATOR ATTACHMENT AND USE:
Attach the regulator to the cylinder valve placing the supplied plastic o-ring (not shown) between the regulator and the tank. Tighten with a wrench. Omission of this o-ring will cause loss of gas!

Unscrew the large brass ring (G) from the Bubble Counter (H) and fill the bubble counter 1/2 full of fresh water. Be sure the needle valve (B) is closed before filling with water. Once filled, replace the brass o-ring (G).

Before opening the cylinder valve turn the regulator adjustment knob (E) counter clockwise until tension is no longer felt on the knob. Do not fully remove the regulator flow adjustment knob. IF THE CYLINDER VALVE IS OPENED WITH THE REGULATOR KNOB CLOSED, DAMAGE TO THE REGULATOR CAN RESULT!

VERY SLOWLY and CAREFULLY openthe cylinder valve COMPLETELY to seal the cylinder valve packing. The amount of gas in the cylinder can now be read on the High Pressure Gauge (D).

Plug the solenoid (C) into a suitable, grounded, AC Wall outlet, Hanna pH Mini Controller, or Milwaukee SMS122 pH Controller. The solenoid uses slightly more then 6 watts and it is normal for it to feel warm during operation.

Open the needle valve (B) by turning counter-clockwise.

Turn the adjustment knob (E) clockwise until you get a reading on the Low Pressure Gauge (F) of approximately 10lbs on the outside set of numbers (use the numbers on the top row). You should now see bubbles in the counter.

Unplug the Solenoid (C) from the wall or controller and unscrew the compression fitting and pass the air hose through the fitting and attach the tubing to the nipple (A). Be sure your tubing fits tightly on the nipple and that it is pressed all the way down. Slide the compression fitting onto the nipple and tighten.

Plug the Solenoid (C) back into the wall outlet or pH Controller unit and adjust the bubble count on your reactor using the needle valve (B). Fine tuning the count can be accomplished with either the needle valve (B) and by adjusting the regulator output pressure with adjustment knob (E) as discussed in the pevious step. The more you increase the pressure as indicated on the low pressure gauge (F) the more difficult it will be to fine tune your bubble count using needle valve (B). Therefore it is more desirable to keep the pressure indicated on the low pressure gauge (F) low and adjust your bubble count using the Needle Valve (B).

How To Place your ORDER




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[eklikewhoa]

I've always had to keep my Low side regulated up at about 18psi in order to get a consistant amount coming out my needle valve.... YMMV.

[djmatthewblack]

Okay, it's probably fine. Mine is just under 1000psi (I think that would be cm^2), it is the D gauge from the diagram, on the gray channel. I was just wondering if it wasn't full all the way cause there is all that extra gauge space. Yeah, mine is about 900psi/15/psi. Thanks.