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BS ISO 21018-1:2008

Current
Current

The latest, up-to-date edition.

Hydraulic fluid power. Monitoring the level of particulate contamination of the fluid General principles
Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

08-29-2008

Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Health and safety
  4.1 General
  4.2 Electric power
  4.3 Mechanical fluid power
  4.4 Process liquids
5 Selection of monitoring technique
  5.1 General
  5.2 Selection
6 Procedures and precautions
  6.1 General
  6.2 Obtaining representative samples
  6.3 Off-line sampling
  6.4 On-line analysis
  6.5 In-line analysis
  6.6 Suction (sip) analysis from reservoirs or
       containers
  6.7 Calibration procedures
  6.8 Checking data validity
  6.9 Training
  6.10 Controlling the precision of the technique
7 Test report
Annex A (informative) Summary of various technique
        attributes
Annex B (informative) Description and relative merits
        of different contaminant monitoring techniques
Bibliography

Defines methods and techniques that are applicable to the monitoring of particulate contamination levels in hydraulic systems.

This part of ISO 21018 specifies methods and techniques that are applicable to the monitoring of particulate contamination levels in hydraulic systems. It also describes the relative merits of various techniques so that the correct monitor for a given application can be selected. 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. This part of ISO 21018 can also be applicable for other liquids (e.g. lubricants, fuels and process liquids). NOTE Instruments used to monitor particulate contamination are not considered as or claimed to be particle counters, even if they use the same physical principles as particle counters.

Committee
MCE/18/-/6
DocumentType
Standard
Pages
34
PublisherName
British Standards Institution
Status
Current

Standards Relationship
ISO 21018-1:2008 Identical

ISO 5598:2008 Fluid power systems and components Vocabulary
ISO 21018-4:2016 Hydraulic fluid power Monitoring the level of particulate contamination in the fluid Part 4: Use of the light extinction technique
ISO 11943:1999 Hydraulic fluid power On-line automatic particle-counting systems for liquids Methods of calibration and validation
ISO 16232-8:2007 Road vehicles Cleanliness of components of fluid circuits Part 8: Particle nature determination by microscopic analysis
ISO 11500:2008 Hydraulic fluid power — Determination of the particulate contamination level of a liquid sample by automatic particle counting using the light-extinction principle
ISO 13319:2007 Determination of particle size distributions Electrical sensing zone method
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 21018-3:2008 Hydraulic fluid power — Monitoring the level of particulate contamination of the fluid — Part 3: Use of the filter blockage technique
ISO 16232-7:2007 Road vehicles Cleanliness of components of fluid circuits Part 7: Particle sizing and counting by microscopic analysis
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
ISO 4405:1991 Hydraulic fluid power — Fluid contamination — Determination of particulate contamination by the gravimetric method
ISO 4407:2002 Hydraulic fluid power — Fluid contamination — Determination of particulate contamination by the counting method using an optical microscope

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