View Full Version : Fluid Systems flow rates
sapman
09-14-2010, 07:50 PM
Anybody ever use one of these membranes? I have an 8X40 in a 600gph unit, but can only get 400-450 gph even after professional cleaning. I understand these are a slower flowing membrane, but won't pass sugar. Just wondering about others' experience with these.
Thanks
Tim
Thad Blaisdell
09-14-2010, 08:56 PM
I have never used these, but you have to remember that flow rates are based on a fluid temp much higher than the temp of your sap. This reduces the the amount of flow.
Brent
09-17-2010, 08:20 AM
When I was playing with the General Electric Merlin ROs I found a spec sheet and it showed the flow rates at 40 degrees was only about 1/3 of the 70 degree rating. I guess that would vary a bit from each manufacturer or model but it gives you some background
doocat
09-17-2010, 08:24 AM
TIm,
I have the same machine as you and get about the same flow rates. Fluid Systems are slow. We added a membrane this year and may contemplate swapping that mambrane if it does not keep up.
Craig
sapman
09-18-2010, 07:55 PM
Craig, so which membrane are you putting in the second post?
doocat
09-19-2010, 03:35 PM
I'm not sure what the post we bought has in it right now, it is getting picked up as we speak. I will probably keep what is in there for this year anyway.
Craig
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