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ARO NO1 Needle Valves

greg wilson at gwilson12345 at yahoo_com wrote: 
> Hi > 
> I searched the archives about the ARO NO1 valve and  found several people
who said it was a good valve to 
> use and several others who said it wasn't. I am in  need of a needle valve
and don't want to shell out $30 
> for one. I did see an ARO NO1 on ebay for $2. My  question is: Is there a
consensus on whether or not 
> this is a good valve for CO2? > 

> Greg I haven't tried it, but for $2 what have you got to lose? Apparently
some folks have been able to make 
> use of it. Probably not the most stable or consistent gas flow, and no
doubt a hassle to adjust, but hey, you'll save $28. 
>Dan Dixon 

I currently have 4 of the ARO NO1s in service, mainly because I bought
several of them when they were $10.  Many of the criticisms of this valve
are valid as it is designed for higher flow rates.  However, even if it
isn't perfect it is adequate.  I take some extra steps to get stable flow
and the current retail cost (as of Jan 2001) is $12.65.  (not $30)
The NUPRO valves are great but cost over $40 each.  The jury seems to be out
on the M3 valves but at $19 they might be worth a try.  I am not familiar
with the FABCO that Dave mentions.
On a similar thread, I have my manifold system with the solenoids/ needle
valves separated from the tank using 1/4 inch reinforced rubber air hose.
If you use properly sized hose barbs and hose clamps there won't be any
Lyndle Schenck