Cleanliness Requirements for Fluid Transfer

Posted by Jim Harlan on Tue, Feb. 07, 2017
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The Problemshutterstock_454764028.jpg

Today’s oil suppliers are often required to provide fluid at or below a specified ISO Cleanliness Code. One such supplier was experiencing short filter element life (15 days) on the system (7 element multi-round housing) used to achieve the required ISO Cleanliness Code of 18/16/13 in a single pass as 15W-40 oil is transferred from their bulk storage tanks to tanker trucks for delivery.


The Solution

Conduct element life trials with Brand X elements and Hy-Pro elements to discover which element lasts longer & which is more efficient at removing particulate contamination from the fluid. 


The Results

  • The Hy-Pro DFE Rated G8 Dualglass element lasted six times longer (90 days) than the Brand X element (15 days).

  • The Brand X element cleaned the fluid to the required code of 18/16/13 but the Hy-Pro element exceeded requirements by dropping the ISO code to 12/10/7.

  • A savings of more than $40,000 per year was realized through extending element life and reducing maintenance hours & element disposal costs. 




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1Value rounded up to nearest whole number.

2Calculations based on 10gpm flow rate & 24/7 operation. Graphical representations scaled proportionately.

Topics: hydraulic fluid, contamination, fluid cleanliness, dirt, iso cleanliness codes, ISO 4406, filtration, Fluid Analysis


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