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  • BSI
    BS ISO 19973-4:2014 Pneumatic fluid power. Assessment of component reliability by testing - Pressure regulators
    Edition: 2014
    $435.35
    / user per year

Description of BS ISO 19973-4:2014 2014

This part of ISO 19973 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.

The lifetime of pneumatic pressure regulators is usually given as a number of cycles. Therefore, whenever the term “time” is used in this part of ISO 19973, this variable shall be understood as either cycles or time.

This part of ISO 19973 applies to manually adjustable and remote-piloted pressure regulators, both relieving and non-relieving. This part of ISO 19973 does not apply to pressure regulators that have a permanent bleed.

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

The life determined by the method in this part of ISO 19973 and in ISO 19973-1 will be more closely related to applications that have a large variation in flow rate.

NOTE See Annex A for a flow chart illustrating the test procedure specified in this part of ISO 19973.



Standard NumberBS ISO 19973-4:2014
TitlePneumatic fluid power. Assessment of component reliability by testing - Pressure regulators
StatusConfirmed
Publication Date2014-03-31
ReplacesBS ISO 19973-4:2007
Identical National Standard OfISO 19973-4:2014
DescriptorsEndurance testing, Performance testing, Pneumatic transmission systems, Test equipment, Pressure control, Valves, Fluid equipment, Components, Pressure regulators, Reliability, Pneumatic equipment
ICS23.100.01 Fluid power systems in general
CommitteeMCE/18/-/5
ISBN978 0 580 74866 0
PublisherBSI
Pages28

About BSI

BSI Group, also known as the British Standards Institution is the national standards body of the United Kingdom. BSI produces technical standards on a wide range of products and services and also supplies certification and standards-related services to businesses.
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