BS ISO 13357-1:2017
Current
The latest, up-to-date edition.
Petroleum products. Determination of the filterability of lubricating oils Procedure for oils in the presence of water
Hardcopy , PDF
English
29-06-2017
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Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Reagents and materials
6 Apparatus
7 Samples and sampling
8 Preparation of apparatus
9 Procedure
10 Calculations
11 Expression of results
12 Precision
13 Test report
Annex A (informative) - Suitable procedure for the
addition of graduations to a measuring cylinder
Bibliography
Describes a procedure for the evaluation of the filterability of lubricating oils, particularly those designed for hydraulic applications, in the presence of water.
| Committee |
MCE/18/-/16
|
| DevelopmentNote |
Supersedes 15/30316146 DC. (07/2017)
|
| DocumentType |
Standard
|
| Pages |
22
|
| PublisherName |
British Standards Institution
|
| Status |
Current
|
| Supersedes |
This document specifies a procedure for the evaluation of the filterability of lubricating oils, particularly those designed for hydraulic applications, in the presence of water. The procedure only applies to mineral-based oils, since fluids manufactured from other materials (e.g. fire-resistant fluids) may not be compatible with the specified test membranes. The range of application has been evaluated with oils of viscosity up to ISO viscosity grade (VG) 100, as defined in ISO3448. Within the range described, the filterability as defined is not dependent on the viscosity of the oil. The procedure is not suitable for some hydraulic oils on which specific properties have been conferred by the use of insoluble/partially soluble additives, or by particularly large molecular species.
NOTE Filterability is a prime requirement for lubricating oils used in hydraulic systems because of the fine filters used in this application.
This document defines a method for assessing the filterability of oils in the presence of contaminating water. It is noted that some oils will exhibit poorer filterability characteristics in these conditions. ISO13357‑2[1] is used to investigate the filterability of an oil which is used in applications where the presence of water in the oil is unlikely. An oil which has good filterability in the presence of contaminating water will not necessarily have equally good filterability in dry conditions. An oil having good filterability only when wet is unlikely to be generally acceptable.
| Standards | Relationship |
| ISO 13357-1:2017 | Identical |
| DEFSTAN 91-035/4(2018) : 2018 | HYDRAULIC FLUID, PETROLEUM: EMULSIFYING, ANTI-WEAR JOINT SERVICE DESIGNATION: OX-30 |
| DEFSTAN 91-039/4(2018) : 2018 | HYDRAULIC FLUID, PETROLEUM: ANTI-WEAR NATO CODE NO: H-576 JOINT SERVICE DESIGNATION: OM-33 |
| ISO 3170:2004 | Petroleum liquids — Manual sampling |
| ISO 6614:1994 | Petroleum products — Determination of water separability of petroleum oils and synthetic fluids |
| ISO 4788:2005 | Laboratory glassware — Graduated measuring cylinders |
| ISO 13357-2:2017 | Petroleum products — Determination of the filterability of lubricating oils — Part 2: Procedure for dry oils |
| ISO 1219-1:2012 | Fluid power systems and components — Graphical symbols and circuit diagrams — Part 1: Graphical symbols for conventional use and data-processing applications |
| ISO 3696:1987 | Water for analytical laboratory use — Specification and test methods |
| ISO 3448:1992 | Industrial liquid lubricants — ISO viscosity classification |
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