ISO 23369:2022 PDF
Hydraulic fluid power — Multi-pass method of evaluating filtration performance of a filter element under cyclic flow conditions
Hydraulic fluid power — Multi-pass method of evaluating filtration performance of a filter element under cyclic flow conditions
- Статус документа:
- Действующий
- Формат:
- Электронный (PDF)
- Количество страниц:
- 35
- Дата публикации:
- 19 декабря 2022 г.
- Издание:
- ISO IS 23369 edition 2 version 1
- ICS:
- 23.100.60
This 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.
Abstract
Overview
ISO 23369:2022 - Hydraulic fluid power: Multi-pass method of evaluating filtration performance of a filter element under cyclic flow conditions specifies a reproducible laboratory procedure to evaluate hydraulic filter elements when subjected to cyclic (varying) flow. The standard defines a multi-pass filtration test with continuous contaminant injection to determine contaminant capacity, particulate removal performance, and differential pressure behaviour of filter elements used in hydraulic fluid power systems. It complements steady‑state multi-pass tests (e.g., ISO 16889) by addressing real-world cyclic flow effects.
Key topics and requirements
- Test method: Multi-pass filtration under cyclic flow with continuous contaminant injection and periodic fluid sampling to measure particulate removal.
- Target elements: Applicable to filter elements with an average filtration ratio ≥ 75 for particle sizes ≤ 25 µm(c).
- Contaminant and fluid: Uses ISO 12103-1 A3 (Arizona) medium test dust and a specified test fluid (see Annex A of the standard).
- Gravimetric baseline levels: Three base upstream gravimetric test conditions - 3 mg/L, 10 mg/L, and 15 mg/L.
- System limits: Final test system reservoir gravimetric level must be
Технические детали
- Технический комитет
- ISO/TC 131/SC 6 - Contamination control
- SKU
- ISO 23369:2022
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