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Re: CO2 Injection Options
>Date: Thu, 28 Jan 1999 08:06:16 PST
>From: "Colin Anderson" <colin_d_anderson at hotmail_com>
>Subject: CO2 Injection Options
>This may be a silly, possibly dangerous question, but I think it
>warrants asking. Has anyone used an alternative to the very highly
>compressed cylinders for CO2 injection? What is the pressure inside a
>C02 cylinder? If we used a different storage vessel, could we use a
>more economical set of delivery equipment?
>I'm sorry, I'm not quite up to speed on this, but I'd like a jump
>Does anyone have a DIY Cylinder driven delivery page out there that
>What I'm really thinking about is a lower pressure, lower volume
>A potential storage vessel could be a plain old air tank used to top up
>car tires, not a compressor, just a tank. Then you could keep the
>pressure down to 25 or 50 psi, or whatever was effective given your
>delivery system. 25 or 50 psi might still last 6 months, which I could
>live with if the cost was cut in say, half or a third. One problem may
>be getting the C02 into the tank, but we'll cross that river later.
>I've got a 135 gallon, so I could hide a reasonably large 'air' tank.
>Would using a lower initial pressure system decrease the cost of the
>regulators that we must use? How about that terrible needle valve that
>seems to cost 75 bucks cdn?
>Colin "I'm ready for CO2, but my wallet isn't" Anderson
Is your only problem with high pressure systems the cost? I don't think
you could make a low pressure system for much less than the price of a
high pressure system. I paid $135 for my 15# tank(filled), regulator,
and needle valve at a local welding supply store.
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