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Old 01/01/2018, 09:44 AM   #2626
slief
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Join Date: Sep 2009
Location: Simi Valley, Ca
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Quote:
Originally Posted by [email protected] View Post
Thank you for that info and yes minimum should be 17ml/min. Cannot get it below 30

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Quote:
Originally Posted by Joshsmit56001 View Post
Doc says 17 at 6 rpm. Lowest he can go is 10 RPM. Could be the difference.


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You hit the nail on the head.

His pump is a 10-600 RPM motor, not a 6-600 RPM. That head flows at 2.8 ml per revolution with LS24 tubing. At 10 RPM minimum on his pump, that is 28 ml/min minimum with LS24 tubing on that pump.

LS-15 tubing is 1.5 ml per revolution which would get him down to a minimum of 15 ml/min. Seems a change of tubing is in order if the target flow is below 28 ml/min.


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