At 04:25 PM 5/9/02 -0500, Chuck Renner wrote:
>(At 02:10 PM 5/9/02 -0700, Max Heim wrote:)
> > question was that if the system oil pressure is more or less
> >constantly over 20 lbs. (hopefully way over), and this oil filter
> >relief valve is rated at 11 or 15 lbs., wouldn't it be open all
> >the time? What's the point?
>
>The relief valve isn't looking at the pressure in the system. It's
>looking at the differential pressure across the filter media. In other
>words, when the oil pressure is 11 or 15 lbs. higher on the 'dirty' side
>than on the clean side the relief valve will allow the oil to bypass the
>filter media.
Thank you. I couldn't have put it better myself. (Maybe just sooner).
Barney
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