Resumen
This document describes the following:
—   a multi-pass filtration performance test with continuous contaminant injection for hydraulic fluid power filter elements;
NOTE 1  For the background interlaboratory study used to verify the test methodology, see Annex D.
—   a procedure for determining the contaminant capacity, particulate removal and differential pressure characteristics;
—   a test currently applicable to hydraulic fluid power filter elements that exhibit an average filtration ratio greater than or equal to 75 for particle sizes ≥ 25 µm(c), and a final reservoir gravimetric level of less than 200 mg/L;
NOTE 2Â Â It is necessary to determine by validation the range of flow rates and the lower particle size limit that can be used in test facilities.
—   a test using Ïã¸ÛÁùºÏ²Ê¿ª½± medium test dust (Ïã¸ÛÁùºÏ²Ê¿ª½± MTD) contaminant and a test fluid in accordance with Annex A.
This document is intended to provide a test procedure that yields reproducible test data for appraising the filtration performance of a hydraulic fluid power filter element without influence of electrostatic charge.
This document applies to three test conditions:
—   test condition 1, with a base upstream gravimetric level of 3 mg/L;
—   test condition 2, with a base upstream gravimetric level of 10 mg/L;
—   test condition 3, with a base upstream gravimetric level of 15 mg/L.
Informaciones generales
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Estado: PublicadoFecha de publicación: 2022-01Etapa: Norma Internacional publicada [60.60]
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·¡»å¾±³¦¾±Ã³²Ô: 3Número de páginas: 43
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°ä´Ç³¾¾±³Ùé Técnico :Ïã¸ÛÁùºÏ²Ê¿ª½±/TC 131/SC 6ICS :23.100.60
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