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RANGER1
08-03-2009, 08:41 AM
Can someone help me find post on frick screws .
It was a few months ago but i can't find it .
Ithink it was about variable Vi efficiency and economizer / liquid injection , written by frick engineer .

Thanks in advance

Grizzly
08-03-2009, 11:12 AM
Hi ranger.
I don't know who posted it, anyway
check your mail.
I hope it is of use?
Grizzly

josef
08-03-2009, 11:13 AM
Hi Ranger 1, send a PM, I have a book with this problem

NH3LVR
08-03-2009, 12:11 PM
Was this the one you were looking for?

http://www.petroassist.com/Tech%20Know/ScrewCompressors.pdf

josef
08-03-2009, 12:54 PM
www.irc.wisc.edu/file.php?id=129

RANGER1
08-03-2009, 08:45 PM
Thanks everyone its what i was after