UNE-EN ISO 12156-1:2016
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
Diesel fuel - Assessment of lubricity using the high-frequency reciprocating rig (HFRR) - Part 1: Test method (ISO 12156-1:2016)
Hardcopy , PDF
Spanish, Castilian, English
20-07-2016
24-07-2019
Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Reagents and materials
6 Apparatus
7 Preparation and calibration
7.1 Preparation of apparatus
7.2 Calibration and correction
8 Test procedure
9 Measurement of wear scar
10 Calculations
10.1 Uncorrected mean wear scar diameter (MWSD)
10.2 Initial absolute vapour pressure (AVP[1])
10.3 Final absolute vapour pressure (AVP[2])
10.4 Mean absolute vapour pressure (AVP)
10.5 Corrected wear scar diameter (WS1,4)
11 Test report
12 Precision
12.1 Repeatability, r
12.2 Reproducibility, R
Annex A (informative) Measurement of HFRR wear scars
This part of ISO 12156 specifies a test method using the high-frequency reciprocating rig (HFRR), for assessing the lubricating property of diesel fuels, including those fuels which may contain a lubricity-enhancing additive. It defines two methods for measurement of the wear scar; Method A - Digital Camera, and Method B - Visual Observation.
This test method applies to fuels used in diesel engines.
NOTEIt is not known if this test method will predict the performance of all additive/fuel combinations. NUEVO: including paraffinic fuels for which no additional correlation testing has been performed. Nevertheless, no data has been presented to suggest that such fuels are not within scope.
| Committee |
CTN 51/SC 3
|
| DocumentType |
Standard
|
| Pages |
22
|
| PublisherName |
Asociación Española de Normalización
|
| Status |
Superseded
|
| Standards | Relationship |
| DIN EN ISO 12156-1:2016-11 | Identical |
| NS EN ISO 12156-1 : 2000 | Identical |
| NF EN ISO 12156-1 : 2017 | Identical |
| ISO 12156-1:2016 | Identical |
| EN ISO 12156-1:2018 | Identical |
| DIN EN ISO 12156-1:2015-07 (Draft) | Identical |
| NEN EN ISO 12156-1 : 2016 | Identical |
| I.S. EN ISO 12156-1:2016 | Identical |
| NBN EN ISO 12156-1 : 2016 | Identical |
| BS EN ISO 12156-1:2016 | Identical |
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