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In a message dated 1/27/99 2:18:05 PM Eastern Standard Time,
tony@st*.co* writes:

> I read on the GUE "equipment considerations" page that regs for use with
>  argon should have their intermediate pressure lowered.  Does anyone know to
>  what?  I'm using an Oceanic Alpha Sport unbalanced piston first stage (with
>  an O.P. relief valve, of course) that should normally have it's I.P. set at
>  140 @ 3000 psi.
>  
>  TIA
>  Tony Thomas, Manager, Stingray Divers

Take any shims out if it has any...I guess worse case you could weaken the
spring...but that would be tough to do without possibly damaging it, and not
knowing if/when it might fail.

Sean
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