CO2 w/o regulator

From: "Jamil Zainasheff" <jamil_zainasheff at internet_uscs.com>

> In searching for needlevalves I came across one made by Parker.  The
> thing is rated to 5000 psi and has a large/heavy brass body which
> works well for kinetic transfer.

Do you have more info on it?  Supplier, part number, stuff like that?
Thr price sounds great. 

> Since the flow I use is minimal the heavy brass body keeps the valve
> from iceing up (doesn't even get cold).

I don't know who first mentioned this but I think they were guessing 
about the needle valve getting cold and icing up.  The flow is so slow
you would never see it happen.