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Subject: RE: which reg.
Date: Fri, 9 May 97 15:08:10 -0400
From: Jim Cobb <cobber@mi*.co*>
To: "Block, Dennis L" <Dennis.Block@PS*.Bo*.co*>
cc: "'techdiver@aquanaut.com'" <techdiver@aquanaut.com>

On 5/9/97 1:10 PM Block, Dennis L wrote:

>	I've been looking at the MK10+ & the MK20 first stages for a while.  I
>like the simplicity of the MK10.  The MK20 looks like it has a weak
>point in that the LP ports are mounted on a swiveling turret.  Either
>first stage I get, I'll match it with the G250 2nd.
>	What insight can you provide about these first stages?
>Regards,

The 10 is now the 10+. The 20 is designed for higher pressures than the 
10, but I have been using 3500+ on 10's for 3 years now with no problems. 
I do get them rebuilt every year. The + mod changed the way the high 
pressure seat was configured to better handle higher ranges but the specs 
did not change (that I know of). 

   Jim
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