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Multi-Pass Method for Evaluating Filtration Performance of Fine Lube Filter Elements Utilized in Aerospace Power and Propulsion Lubrication Systems
- Aerospace Standard
Published December 21, 2021 by SAE International in United States
This SAE Aerospace Recommended Practice (ARP) describes the multi-pass method for evaluating the filtration performance of fine lube filter elements, commonly utilized in aerospace power and propulsion lubrication systems: gas turbine engines, auxiliary power units (APUs), helicopter transmissions, constant speed drives (CSDs), and integrated drive generators (IDGs).
The proper performance of lubricant filter elements utilized in aerospace power and propulsion systems is important in protecting system components from particulate contamination that could lead to accelerated component wear, system malfunction, and premature component failure. This ARP provides a standard test method for determining the filtration efficiency and dirt capacity of lubricant filter elements utilized in power and propulsion systems. This will allow both manufacturer and customer a common means to evaluate the performance of lubricant filter elements.
The standard has been revised to: (1) include an update on the current status of the standard reference material (SRM) used for calibration of automatic particle counters per ISO 11171, (2) remove the reference to ARP1827 since it is not referred to in the standard, and (3) include editorial changes for clarity.
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