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SAE ARP4285A : 2018 (2025)

Aerospace - Evaluation of Particulate Contamination in Hydraulic Fluid - Membrane Procedure

Standard Details

This SAE Aerospace Recommended Practice (ARP) establishes a method for evaluating the particulate matter extracted from the working fluid of a hydraulic system or component using a membrane. The amount of particulate matter deposited on the membrane due to filtering a given quantity of fluid is visually compared against a standard membrane in order to provide an indication of the cleanliness level of the fluid.

Cross Reference: ARP5376,ARP598,AS1241,AS4059,AS8775,FED-STD-209,ISO11500,MIL-F-8815,MIL-H-5606,MIL-PRF-6083,MIL-PRF-680,MIL-PRF-83282,MIL-PRF-87257

General Information

Status : Reaffirmed
Standard Type: Main
Document No: SAE ARP4285A : 2018 (2025)
Document Year: 2018
Pages: 14

Life Cycle

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Reaffirmed
SAE ARP4285A : 2018 (2025)
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