ISO-19973-4 › Historical Revision Information
Pneumatic fluid power - Assessment of component reliability by testing - Part 4: Pressure regulators

ISO-19973-4 - 1ST EDITION - SUPERSEDED
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ISO 19973-4:2014 provides test procedures for assessing the reliability of pneumatic pressure regulators by testing and the methods of reporting the results of testing. General test conditions and the calculation method are provided in ISO 19973-1. The methods specified in ISO 19973-1 apply to the first failure, as obtained with the three-points moving average (3PMA) method, without repairs, but excluding outliers.

ISO 19973-4:2014 applies to manually adjustable and remote-piloted pressure regulators, both relieving and non-relieving. It does not apply to pressure regulators that have a permanent bleed.

ISO 19973-4:2014 also specifies test equipment and failure criteria (threshold levels) for tests to assess the reliability of pneumatic pressure regulators.

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23.100.01 (Fluid power systems in general)

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Document Number

ISO 19973-4:2007

Revision Level

1ST EDITION

Status

Superseded

Publication Date

Aug. 1, 2007

Committee Number

ISO/TC 131