• P-ISSN 0974-6846 E-ISSN 0974-5645

Indian Journal of Science and Technology


Indian Journal of Science and Technology

Year: 2014, Volume: 7, Issue: 4, Pages: 447–451

Original Article

Multipass Performance of Different Medias in Aircraft Hydraulic Filters


The aircraft filters have to be designed to cater for high reliability and stringent environmental conditions. The performance of filter is decided based on the filter media and its rating. Filter rating is evaluated using multi pass test under constant flow conditions. Generally there are two types of medias used in development of aircraft hydraulic filters (I)glass fibre media and (II)stainless steel mesh media. Glass fiber media is consided as absolute rated and possess high filtration efficiency compared to the stainless steel mesh media. Stainless steel mesh media filters are of non disposable in nature and possess nominal filter rating. The present paper describes the comparitive study of two filter medias and evaluation of filter rating using multi pass test.
Keywords: Glass Fibre Media, Number of Particles, Pressure Drop, Rating, Stainless Steel Mesh Media 


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