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ISO/TR 19972-1:2009

Hydraulic fluid power - Methods to assess the reliability of hydraulic components - Part 1: General procedures and calculation method

ISO/TR 19972-1:2009 provides a means for determining the reliability of hydraulic fluid power components using:

  • estimates from a design analysis;
  • analysis of laboratory testing to failure or suspension;
  • analysis of field data;
  • analysis of a substantiation test.

These methods apply to the first failures without repairs, but exclude certain infant mortality failures. Specific component test procedures and exclusions are provided in subsequent parts of ISO/TR 19972. ISO/TR 19972-1:2009 also provides calculation methods, reporting descriptions and examples of reliability calculations.


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International Organization for Standardization [ISO]


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