Abstract
PreviewThis document specifies:
a) A multi-pass filtration performance test under cyclic flow conditions with continuous contaminant injection for hydraulic fluid power filter elements.
b) A procedure for determining the contaminant capacity, particulate removal and differential pressure characteristics.
c) 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 test system reservoir gravimetric level of less than 200 mg/L. 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.
d) A test using ISO 12103‑1 A3 medium test dust contaminant and a test fluid.
This document provides 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 is applicable to three test conditions:
— Base upstream gravimetric level of 3 mg/L;
— Base upstream gravimetric level of 10 mg/L;
— Base upstream gravimetric level of 15 mg/L.
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Status: PublishedPublication date: 2022-12
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Edition: 2Number of pages: 35
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- ICS :
- 23.100.60 Filters, seals and contamination of fluids
Buy this standard
| Format | Language | |
|---|---|---|
| std 1 145 | PDF + ePub | |
| std 2 145 | Paper |
- CHF145
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