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  • BSI
    21/30429426 DC BS ISO 16889.2. Hydraulic fluid power. Filters. Multi-pass method for evaluating filtration performance of a filter element
    Edition: 2021
    $42.22
    / user per year

Description of 21/30429426 DC 2021

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.



Standard Number21/30429426 DC
TitleBS ISO 16889.2. Hydraulic fluid power. Filters. Multi-pass method for evaluating filtration performance of a filter element
StatusDefinitive
Publication Date2021-04-23
Identical National Standard OfISO/DIS 16889.2
DescriptorsFilters, Particle size distribution, Hydraulic fluids, Performance testing, Power transmission systems, Hydraulic transmission systems, Dust collectors, Contaminants, Filtration, Mechanical separation
ICS23.100.60 Filters, seals and contamination of fluids
CommitteeMCE/18/-/6
PublisherBSI
Pages49

About BSI

BSI Group, also known as the British Standards Institution is the national standards body of the United Kingdom. BSI produces technical standards on a wide range of products and services and also supplies certification and standards-related services to businesses.
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