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Date:         Tue, 9 Mar 2004 09:35:03 -0500
Reply-To:     David Brodbeck <gull@GULL.US>
Sender:       Vanagon Mailing List <vanagon@gerry.vanagon.com>
From:         David Brodbeck <gull@GULL.US>
Subject:      Re: cooling system design / Reinvention of the Wheel Banished!
Comments: To: Jonathan Farrugia <jfarrugi@UMICH.EDU>
In-Reply-To:  <Pine.SOL.4.58.0403090652400.26088@millipede.gpcc.itd.umich.edu>
Content-Type: TEXT/PLAIN; charset=US-ASCII

On Tue, 9 Mar 2004, Jonathan Farrugia wrote:


> i was able to find valving to vent the tank as pressure
> built up but, i was unable to find valving that would allow the system to
> draw coolant back into the radiator from the over flow bottle as the
> system cooled and the system experienced a vacuum.  if any one knows of
> such off the shelf valving i would be interested to know about it.


How about an ordinary check valve?  Orient it so it only passes coolant
from the tank to the radiator, and insert it as a bypass around your
pressure valve.




David Brodbeck, N8SRE
'82 Volkswagen Diesel Westfalia
'86 Volvo 240DL wagon
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