BS ISO 21018-3:2008
Current
The latest, up-to-date edition.
Hydraulic fluid power. Monitoring the level of particulate contamination of the fluid Use of the filter blockage technique
Hardcopy , PDF
English
31-07-2008
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Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Health and safety
4.1 General
4.2 Electrical power
4.3 Mechanical fluid power
4.4 Process liquids
5 Principle of filter blockage technique
6 Equipment
6.1 General
6.2 Equipment for on-line and off-line calibration
and verification
7 Operating procedures
7.1 General
7.2 Operating from a pressurized line
7.3 Procedure for operating from a system reservoir
7.4 Operating from a bulk container
7.5 Operating from a sample bottle
8 Calibration and verification procedure
8.1 General principles
8.2 Equipment required
8.3 Preliminary procedures
8.4 Preparation of dust sample
8.5 On-line calibration/verification procedure
8.6 Verification of correct operation
9 Calibration and/or verification
10 Test report
11 Identification statement
Annex A (informative) - Examples of use and applicability
of the filter blockage technique
Describes a method for the semi-quantitative determination of the particulate contamination level using the filter blockage technique (also known as the mesh-obscuration method or the pore-blockage technique) either on-line or off-line in containers.
| Committee |
MCE/18/-/6
|
| DevelopmentNote |
Supersedes BS 3406-9(1997). (07/2008)
|
| DocumentType |
Standard
|
| Pages |
28
|
| PublisherName |
British Standards Institution
|
| Status |
Current
|
| Supersedes |
This part of ISO 21018 specifies a method for the semi-quantitative determination of the particulate contamination level using the filter blockage technique (also known as the mesh-obscuration method or the pore-blockage technique) either on-line or off-line in containers. It also defines procedures for calibrating the instruments and verifying their correct operation both in the laboratory and in service. In general, the techniques described in this part of ISO 21018 are suitable for monitoring the general cleanliness level in hydraulic systems, the progress in flushing operations, support equipment and test rigs. The use of this method is applicable to all single- or multi-phase liquid systems.
| Standards | Relationship |
| ISO 21018-3:2008 | Identical |
| ISO 5598:2008 | Fluid power systems and components Vocabulary |
| ISO 11943:1999 | Hydraulic fluid power On-line automatic particle-counting systems for liquids Methods of calibration and validation |
| ISO 3722:1976 | Hydraulic fluid power — Fluid sample containers — Qualifying and controlling cleaning methods |
| ISO 11171:2016 | Hydraulic fluid power Calibration of automatic particle counters for liquids |
| ISO 21018-1:2008 | Hydraulic fluid power — Monitoring the level of particulate contamination of the fluid — Part 1: General principles |
| ISO 12103-1:2016 | Road vehicles — Test contaminants for filter evaluation — Part 1: Arizona test dust |
| ISO 4021:1992 | Hydraulic fluid power — Particulate contamination analysis — Extraction of fluid samples from lines of an operating system |
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