NFPA T2.12.11.2:2007
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
View Superseded by
HYDRAULIC FLUID POWER COMPONENTS - ASSESSMENT OF RELIABILITY BY TESTING
Hardcopy , PDF
07-12-2024
English
01-01-2012
Foreword
Introduction
1 Scope
2 Normative references
3 Definitions
4 Units and measurements
5 Reliability concept
6 Strategies for testing and evaluating
7 Statistical analysis methods
8 General test methods
9 Data analysis for testing to failure
10 Data analysis for substantiation testing
11 Example of failure data analysis without suspensions
12 Example of failure data analysis with suspensions
13 Equation development and example calculations for
substantiation testing
14 Test/production similarity
15 Identification statement
Annex A (normative) - Accumulators
Annex B (normative) - Hydraulic cylinders
Annex C (normative) - Hydraulic filters
Annex D (normative) - Hydraulic pumps and motors
Annex E (normative) - Hydraulic valves
Describes guidelines for assessing the reliability of hydraulic components by testing and reporting for components used in fluid power systems.
| DocumentType |
Standard
|
| Pages |
55
|
| ProductNote |
Reconfirmed 2007
|
| PublisherName |
National Fluid Power Association
|
| Status |
Superseded
|
| SupersededBy |
| ISO 10770-2:2012 | Hydraulic fluid power — Electrically modulated hydraulic control valves — Part 2: Test methods for three-port directional flow-control valves |
| ISO 9110-1:1990 | Hydraulic fluid power Measurement techniques Part 1: General measurement principles |
| ISO 3968:2017 | Hydraulic fluid power — Filters — Evaluation of differential pressure versus flow |
| ISO 4411:2008 | Hydraulic fluid power Valves Determination of pressure differential/flow characteristics |
| ISO 5598:2008 | Fluid power systems and components Vocabulary |
| NFPA T3.5.30 : 2008 : (R2018) | HYDRAULIC FLUID POWER - SOLENOID OPERATED DIRECTIONAL CONTROL VALVES - MEASUREMENT OF RESPONSE TIME |
| IEEE/ASTM SI_10-2010 | American National Standard for Metric Practice |
| ISO 10770-1:2009 | Hydraulic fluid power — Electrically modulated hydraulic control valves — Part 1: Test methods for four-port directional flow-control valves |
| SAE J1176_201206 | External Leakage Classifications for Hydraulic Systems |
| ISO 16860:2005 | Hydraulic fluid power — Filters — Test method for differential pressure devices |
| ISO 12103-1:2016 | Road vehicles — Test contaminants for filter evaluation — Part 1: Arizona test dust |
| ISO 3724:2007 | Hydraulic fluid power — Filter elements — Determination of resistance to flow fatigue using particulate contaminant |
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