Saturday, February 6, 2010

HOWTO: Work CO2 Regulators

Here's how you work a CO2 regulator.

The regulator has a hex nut that screws it onto your tank. This is a big hex nut - Something like 1 1/8 inches. Just go to Lowe's and buy the biggest crescent wrench they've got if you want to be able to get this on and off.

The left gauge shows your tank pressure. If you've got a five pound tank, it'll hold about 600-700 PSI at room temperature.

The top gauge shows your line pressure. This is the pressure being applied to your beer. This should read around 10-15 PSI.

The big screw in the middle sets your line pressure. Turn it inward (ie, clockwise), and you'll increase the pressure. Turn it outward and you'll decrease the pressure. At about halfway out, you'll stop the pressure entirely. That means you've got to screw it about halfway in to START the pressure.

That safety/test valve - It should be horizontal. If it points straight up, you're hemorrhaging CO2. This took me about 50 psi to figure out. 50 psi equates to about ten seconds.

Turn the line valve to match the direction of the line to turn it on. Turn it perpendicular to turn it off.

And that's that! There's your howto, internet!

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