[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: Needle valves in CO2 systems
D. Gomberg:
>I have heard many on this list claim great value for the use of a needle
>valve in a pressurized CO2 system. Attempting to check it out, I was quite
>disappointed.
<Algebra lesson snipped>
>Now assuming we set the regulator for 30psi and want 15psi out of the
>valve, with a flow of one liter per day, we need a valve operating at a Cv
>of .000001
I thought controlling pressure was the job of a descent regulator? I
thought the needle valve only fine-tuned Co2 flow rate to the aquarium. If
you have a single stage regulator and it dumps, I'd say a needle valve (set
very low) would be very handy in restricting disaster.
Substrate Nutrient Injector and DIY Yeast Co2 Diffuser reactor:
http://floridadriftwood.com/substratefertilizernutrients.html