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Re: Aquatic Plants Digest V2 #1024

On 10/18/97 at 03:48 p, Michael Cordero (Aquatic Plants Digest) said:

>i would like to know how much preasure does a CO2 tank give off.. and the
>main reason why is because im planning to purchase a needle  valve that
>can handle 2000 psi of preasure...its made of stainless  steel and is
>about $35 ...

The needle valve will work with the 850 psi in a CO2 tank, but it will not
do what you want (give a low flow rate (2 L/day)).  You will also need a
regulator (about the same price, used, to get the pressure down to 2-3 psi
so that the needle valve can do its job.  Get a regulator from a beer
place, they can make you one that is 0-10 psi.


Dave Gomberg, FormMaestro!                     http://www.wcf.com
 gomberg at wcf_com
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