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BSI 21/30429426 DC:2021 Edition

BSI 21/30429426 DC:2021 Edition

$13.70

BS ISO 16889.2. Hydraulic fluid power. Filters. Multi-pass method for evaluating filtration performance of a filter element

Published By Publication Date Number of Pages
BSI 2021 49
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This International Standard describes the following:

  1. a multi-pass filtration performance test with continuous contaminant injection for hydraulic fluid power filter elements;

  2. a procedure for determining the contaminant capacity, particulate removal and differential pressure characteristics;

  3. 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 u 25 µm(c), and a final reservoir gravimetric level of less than 200 mg/L;

    NOTE

    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.

  4. a test using ISO medium test dust contaminant and a test fluid in accordance with Annex A.

This International Standard 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 International Standard applies to three test conditions:

  1. test condition 1, with a base upstream gravimetric level of 3 mg/L;

  2. test condition 2, with a base upstream gravimetric level of 10 mg/L;

  3. test condition 3, with a base upstream gravimetric level of 15 mg/L.

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BSI 21/30429426 DC
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